{"id":244012,"date":"2026-09-10T18:31:54","date_gmt":"2026-09-10T16:31:54","guid":{"rendered":"https:\/\/stapelvanstenen.nl\/?p=244012"},"modified":"2026-09-10T21:30:31","modified_gmt":"2026-09-10T19:30:31","slug":"how-to-recognize-and-identify-minerals-a-practical-guide","status":"publish","type":"post","link":"https:\/\/stapelvanstenen.nl\/en\/how-to-recognize-and-identify-minerals-a-practical-guide\/","title":{"rendered":"How to recognize and identify minerals: a practical guide"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Minerals and gemstones are bought or collected for all sorts of reasons. Some people are drawn to a beautiful color or crystal shape, while others seek out a unique collector\u2019s item or choose a stone with a specific personal intention. Some enthusiasts buy their stones at a mineral show or in a store, while others go out on their own to search for minerals.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When you make a purchase, you sometimes receive the mineral&#8217;s name and exact location from the seller. But that\u2019s not always the case. Sometimes the label only lists a trade name, the information is very general, or the note ends up getting lost over time. Maybe you received a stone as a gift with no further details, took over an old collection, or found something yourself that you\u2019d like to know more about.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I know from experience that, over time, many people want to learn more about their minerals. What exactly do I have? Is the name under which I bought the crystal correct? Is it a natural mineral, has it been treated, or is it perhaps something else? That\u2019s when the search for the correct name begins. And it often turns out to be less straightforward than initially thought.     <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many people, for example, post a photo on social media asking, \u201cDoes anyone know what this is?\u201d Others ask a collector friend, a seller, or an expert. That can provide useful clues, but it\u2019s not always possible to reliably identify a mineral from a photo. Moreover, it\u2019s much more interesting when you learn for yourself what such identification is based on.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Learning to identify minerals<\/strong> therefore starts mainly with <strong>observing<\/strong>, <strong>comparing<\/strong>, and <strong>gaining experience<\/strong>. The more different specimens you examine, the better you\u2019ll learn to spot both similarities and differences. You\u2019ll discover that color alone usually isn\u2019t enough and that crystal shape, luster, hardness, cleavage, fracture, associated minerals, and locality can also provide important clues. By combining that information step by step, you can gradually narrow down the possibilities. We call that process <strong>identification<\/strong>. In this article, I\u2019ll show you how you can get started on your own and where the limits of identification at home lie.     <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-collectie-identificeren-determineren.jpg\" alt=\"Identify and classify a mineral collection\" class=\"wp-image-243976\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-collectie-identificeren-determineren.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-collectie-identificeren-determineren-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-collectie-identificeren-determineren-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-collectie-identificeren-determineren-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-collectie-identificeren-determineren-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-collectie-identificeren-determineren-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2><strong>Contents<\/strong><\/h2><nav><ul><li class=\"\"><a href=\"#recognizing-and-identifying\">Recognizing and identifying<\/a><\/li><li class=\"\"><a href=\"#why-color-alone-usually-isn't-enough\">Why color alone usually isn&#8217;t enough<\/a><\/li><li class=\"\"><a href=\"#what-properties-do-you-use-to-identify-minerals?\">What properties do you use to identify minerals?<\/a><ul><\/ul><\/li><li class=\"\"><a href=\"#identifying-minerals-at-home-a-practical-guide\">Identifying minerals at home: a practical guide<\/a><\/li><li class=\"\"><a href=\"#common-mistakes-in-mineral-identification\">Common mistakes in mineral identification<\/a><ul><\/ul><\/li><li class=\"\"><a href=\"#when-do-you-need-an-expert-or-additional-testing\">When do you need an expert or additional testing?<\/a><\/li><li class=\"\"><a href=\"#learning-to-identify-minerals-yourself\">Learning to identify minerals yourself<\/a><\/li><li class=\"\"><a href=\"#identifying-cut-gemstones\">Identifying cut gemstones<\/a><\/li><li class=\"\"><a href=\"#frequently-asked-questions-about-identifying-minerals\">Frequently asked questions about identifying minerals<\/a><ul><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 id=\"herkennen-determineren-en-identificeren-de-woorden-herkennen-determineren-en-identificeren-worden-vaak-door-elkaar-gebruikt-er-bestaat-ook-niet-altijd-een-scherpe-grens-tussen-deze-begrippen-toch-helpen-ze-om-verschillende-manieren-van-kijken-naar-een-onbekende-steen-te-beschrijven\" class=\"wp-block-heading\"><strong>Recognizing and identifying<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"herkennen-determineren-en-identificeren-de-woorden-herkennen-determineren-en-identificeren-worden-vaak-door-elkaar-gebruikt-er-bestaat-ook-niet-altijd-een-scherpe-grens-tussen-deze-begrippen-toch-helpen-ze-om-verschillende-manieren-van-kijken-naar-een-onbekende-steen-te-beschrijven\">The terms &#8221; <strong>recognize<\/strong>,&#8221; &#8221; <strong>determine<\/strong>,&#8221; and <strong>&#8220;identify&#8221;<\/strong> are often used interchangeably. There isn&#8217;t always a clear distinction between these concepts either. Still, they help describe different ways of looking at an unknown rock.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can sometimes immediately <strong>recognize<\/strong> a mineral you\u2019ve seen before. You\u2019ll recognize a combination of, for example, color, crystal shape, luster, and cleavage. Think of the cubic crystals and good cleavage of fluorite or the purple hexagonal crystal points of amethyst. Such recognition is largely based on <strong>experience<\/strong>. The more different specimens you examine, the better you\u2019ll learn which characteristics are <strong>typical<\/strong> of a particular mineral and how much variation can occur within a single mineral species.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When <strong>you \u201cidentify\u201d<\/strong> a specimen, you conduct a more deliberate investigation. You examine and test various characteristics, compare multiple possibilities, and try, step by step, to determine which name best fits the stone. <strong>\u201cIdentifying\u201d<\/strong> usually refers to the process by which an unknown material is ultimately given a name. In practice, these two terms are often used to describe the same process.    <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-bestuderen-determineren.jpg\" alt=\"Recognizing and identifying minerals\u2014examining them with a magnifying glass\" class=\"wp-image-243974\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-bestuderen-determineren.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-bestuderen-determineren-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-bestuderen-determineren-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-bestuderen-determineren-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-bestuderen-determineren-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-bestuderen-determineren-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Just how precise that name needs to be also depends on what you personally want to know and how you\u2019ll use the information. As an enthusiast, a well-known trade name or a broader group name is sometimes perfectly sufficient\u2014as long as you understand what such a name does and doesn\u2019t tell you. Perhaps it\u2019s enough for you to know that a stone belongs to the garnet group, without identifying exactly which specific garnet variety it is.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you want to catalog, study, or sell a mineral in your collection, it is important to use a correct and as accurate a name as possible. At the same time, the degree of certainty must remain clear. A probable identification is not the same as an identification that has been confirmed by targeted laboratory analysis.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Not every mineral can be identified with certainty down to the exact species at home. Sometimes you can only determine the mineral group or conclude that a certain name is likely. Different mineral species can closely resemble one another in appearance and in their easily measurable properties. For greater certainty, chemical analysis or an examination of the crystal structure may therefore be necessary. It is not a failure to temporarily label the stone with a group name or as \u201cunknown.\u201d Recognizing the limits of your own conclusions is an essential part of careful identification.     <\/p>\n\n\n\n<h2 id=\"waarom-kleur-alleen-meestal-niet-genoeg-zegt\" class=\"wp-block-heading\"><strong>Why color alone is usually not enough<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Color is usually the first thing you notice about a mineral. It\u2019s therefore quite understandable that people rely on it first when they want to know what kind of stone they have. Yet color is also one of the characteristics that can most easily mislead you.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>This is because a single type of mineral can occur in different colors<\/strong>. Fluorite is a good example of this. It can be colorless, purple, green, yellow, or blue, and sometimes even multiple colors can be found within a single crystal. Therefore, you cannot determine that a stone is fluorite based on color alone. The different colors can result from, among other things, small amounts of other elements, inclusions, or changes and defects in the crystal lattice.    <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/fluoriet-in-verschillende-kleuren.jpg\" alt=\"Recognizing and identifying minerals - Fluorite in Various Colors\" class=\"wp-image-243966\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/fluoriet-in-verschillende-kleuren.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/fluoriet-in-verschillende-kleuren-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/fluoriet-in-verschillende-kleuren-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/fluoriet-in-verschillende-kleuren-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/fluoriet-in-verschillende-kleuren-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/fluoriet-in-verschillende-kleuren-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Fluorite can come in various colors and cannot be identified solely by its color<\/em>.<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Conversely, <strong>different minerals can also have virtually the same color<\/strong>. For example, a green mineral could be fluorite, calcite, malachite, prehnite, serpentine, olivine, or amazonite. So while noting that a mineral is green does provide an initial clue, it doesn\u2019t immediately lead you to the correct name.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That doesn\u2019t mean color is useless when identifying minerals. For some types, a particular color is indeed a distinguishing feature. When combined with, for example, the crystal shape, luster, hardness, or streak color, color can be an important clue. Things go wrong when color is immediately taken as proof of a mineral\u2019s name.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The same applies to identification using a photo, for example, via Google Lens or an AI app. Such tools can suggest names of minerals that resemble your specimen in appearance. However, they cannot determine hardness, streak color, cleavage, or specific gravity from a regular photo. Information about the location and associated minerals is also often missing. Furthermore, such apps do not always accurately distinguish between official mineral names, trade names, treated stones, and imitations. Therefore, treat the name suggested by Google or an AI app as a possibility that you must verify yourself using other characteristics and reliable sources.     <\/p>\n\n\n\n<h2 id=\"welke-eigenschappen-gebruik-je-om-mineralen-te-herkennen\" class=\"wp-block-heading\"><strong>What properties do you use to identify minerals?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As we saw with color, a single characteristic is usually not enough to identify a mineral. Combining different characteristics provides a more reliable picture. Which characteristics are most useful varies by mineral and by specimen.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Always start by examining the item carefully and conducting tests that won\u2019t cause any damage. This is especially important for beautiful crystals, cut stones, jewelry, and other stone objects. Only perform tests that could cause scratches, cracks, or dull spots on an inconspicuous area or a small, loose piece.  <\/p>\n\n\n\n<h3 id=\"kristalvorm-habitus-en-aggregaatvorm\" class=\"wp-block-heading\">Crystal form, habit, and aggregate form<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Well-formed <strong>crystals<\/strong> can provide important clues based on their shape and crystal faces. Think of cubes, prisms, plates, or needles. However, a mineral does not always form the perfect crystal shown in a mineral handbook.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The form in which a mineral appears in nature is called its <strong>habit<\/strong>. For example, the same mineral can form elongated, flat, or fibrous crystals. Minerals also often occur as groups of small crystals or grains. Such <strong>an aggregate<\/strong> can be, among other things, massive, granular, lamellar, radial, or grape-like.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Crystal shape, habit, and aggregate form can be very distinctive, but on their own they are usually not sufficient for a definitive identification. In addition, a mineral may sometimes have taken on the shape of another mineral that was present there earlier. We call this a <strong>pseudomorph<\/strong>. In such cases, the outer shape has been preserved, while the original mineral has been completely or partially replaced.   <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/verschillende-groeivormen-habitus-gips-seleniet-woestijnroos.jpg\" alt=\"Various growth forms of gypsum: elongated and plate-like crystals, and rosette-shaped desert roses.\" class=\"wp-image-243986\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/verschillende-groeivormen-habitus-gips-seleniet-woestijnroos.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/verschillende-groeivormen-habitus-gips-seleniet-woestijnroos-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/verschillende-groeivormen-habitus-gips-seleniet-woestijnroos-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/verschillende-groeivormen-habitus-gips-seleniet-woestijnroos-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/verschillende-groeivormen-habitus-gips-seleniet-woestijnroos-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/verschillende-groeivormen-habitus-gips-seleniet-woestijnroos-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"> <em>The mineral gypsum can occur in a wide variety of forms, ranging from elongated and plate-like crystals to more compact ones. On the left, plate-like gypsum crystals with sand inclusions form rosette-shaped aggregates: the well-known \u201cdesert roses.\u201d <\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 id=\"glans-en-transparantie\" class=\"wp-block-heading\">Luster and transparency<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Luster<\/strong> describes how the surface of a mineral reflects light. An important initial distinction is that between <strong>metallic luster<\/strong> and <strong>non-metallic luster<\/strong>. For minerals without metallic luster, distinctions are made between, among others, vitreous luster, pearlescent luster, silky luster, resinous luster, and diamond luster.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s best to examine the luster on a clean, undamaged surface. A weathered, oxidized, or damaged crystal may appear much duller than a fresh surface. By gently moving the mineral under a lamp, you can often see more clearly how the light is reflected.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Also, check how much light the mineral transmits. It can be <strong>transparent<\/strong>, <strong>translucent<\/strong>, or <strong>opaque<\/strong>. Luster and transparency are different properties: a mineral can have a strong luster and still be opaque.  <\/p>\n\n\n\n<h3 id=\"hardheid\" class=\"wp-block-heading\">Hardness<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hardness<\/strong> indicates how <strong>resistant a mineral is to scratches<\/strong>. We use the Mohs scale for this, ranging from talc (hardness 1) to diamond (hardness 10). A harder material can scratch a softer material.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Everyday materials are often used for an initial comparison. Glass typically has a hardness of around 5\u00bd, and a steel knife is about 5 to 5\u00bd. That\u2019s why you often see the advice to scratch a stone with a knife or to test whether the stone scratches glass. However, such a test is harder to perform properly than it seems. The hardness of glass and steel can vary, and a knife can leave a metal mark without actually making a scratch.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, check to see if a <strong>permanent groove<\/strong> has formed and not just material left behind by the knife. A weathered surface, thin crystals, grainy fragments, and rocks composed of multiple minerals can also lead to misleading results. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A hardness test can cause damage. Therefore, never perform it on a well-defined crystal face, a cut stone, a piece of jewelry, a polished object, or a valuable collectible. If you don\u2019t have a suitable, inconspicuous spot or a loose grain of sand, it\u2019s best to skip this test.  <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/hardheid-testen-mineraal.jpg\" alt=\"A hardness test in which a scratch is made in calcite using a hardness pen.\" class=\"wp-image-243970\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/hardheid-testen-mineraal.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/hardheid-testen-mineraal-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/hardheid-testen-mineraal-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/hardheid-testen-mineraal-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/hardheid-testen-mineraal-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/hardheid-testen-mineraal-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>In addition to everyday objects, special hardness test kits are available. Here, I\u2019m testing calcite with a hardness pen: a true scratch is only present if a permanent groove is left behind.  <\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 id=\"splijting-en-breuk\" class=\"wp-block-heading\">Cleavage and fracture<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">When a mineral <strong>cleaves<\/strong>, it breaks preferentially along weak planes in its internal crystal structure. Mica, for example, can be cleaved into thin sheets. Calcite has three good to perfect cleavage directions that are not perpendicular to one another, resulting in oblique cleavage fragments with rhomboidal faces.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fracture<\/strong> describes how a mineral breaks when it does not split along cleavage planes. Quartz often has a conchoidal fracture, similar to broken glass. Other types of fracture can be, for example, irregular, fibrous, or splintery.<br>Cleavage planes are easily confused with original crystal faces. Both can be smooth and reflect light. Parallel planes and lines within the mineral may indicate cleavage, but learning to distinguish between them takes practice. Do not break a crystal to investigate this: existing damage and internal fracture lines often provide sufficient information.     <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/splijting-calciet-en-schelpvormige-breuk-kwarts.jpg\" alt=\"A calcite cleavage fragment next to a quartz crystal with a shell-shaped fracture.\" class=\"wp-image-243980\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/splijting-calciet-en-schelpvormige-breuk-kwarts.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/splijting-calciet-en-schelpvormige-breuk-kwarts-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/splijting-calciet-en-schelpvormige-breuk-kwarts-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/splijting-calciet-en-schelpvormige-breuk-kwarts-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/splijting-calciet-en-schelpvormige-breuk-kwarts-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/splijting-calciet-en-schelpvormige-breuk-kwarts-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>On the left is a calcite cleavage fragment with smooth, diamond-shaped faces. On the right, a quartz crystal exhibits a conchoidal fracture with curved lines, similar to broken glass. <\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 id=\"kleur-en-streepkleur\" class=\"wp-block-heading\">Color and streak color<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As discussed earlier, <strong>color<\/strong> is usually the first characteristic that stands out. It is a useful clue, but a single mineral can have different colors, and different minerals can have the same color. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>streak color<\/strong> is the color of a mineral\u2019s fine powder. It is often more consistent than the color of the entire mineral and is particularly useful for dark minerals and minerals with a metallic luster. Both hematite and magnetite can range in color from steel gray to nearly black. However, hematite has a reddish-brown streak, while magnetite has a black streak.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The test is usually performed on unglazed porcelain and can damage the mineral. Minerals that are harder than the test plate usually do not leave a usable powder streak but will scratch the porcelain. Therefore, the streak color is also a guide and not independent evidence of a mineral\u2019s name.  <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/streepkleur-testen-hematiet.jpg\" alt=\"Dark hematite with reddish-brown streaks on a porcelain test plate.\" class=\"wp-image-243984\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/streepkleur-testen-hematiet.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/streepkleur-testen-hematiet-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/streepkleur-testen-hematiet-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/streepkleur-testen-hematiet-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/streepkleur-testen-hematiet-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/streepkleur-testen-hematiet-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Although hematite can range in color from dark gray to nearly black, it leaves a distinctive reddish-brown streak on an unglazed porcelain test plate.<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 id=\"soortelijk-gewicht\" class=\"wp-block-heading\">Specific gravity<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Some minerals feel noticeably heavy or light for their size. We express that difference in terms of <strong>specific gravity<\/strong>: the ratio of the mineral\u2019s density to that of water. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quartz has a specific gravity of approximately 2.65. Barite can sometimes resemble quartz in color and luster, but it has a specific gravity of approximately 4.5 and therefore feels much heavier. The names \u201cbarite\u201d and \u201cheavy spar\u201d also refer to this strikingly high weight.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Weighing a rock in your hand does not provide an accurate measurement, but it can give you an initial indication. Using a precise scale, you can determine the specific gravity approximately by weighing the mineral both dry and submerged in water. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cavities, porous material, air bubbles, and other minerals attached to the specimen can affect the results. A loose, uniform piece is therefore more suitable than a crystal cluster attached to its host rock. Furthermore, with a rock or composite object, you cannot always be certain that it consists entirely of the same material.  <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/soortelijk-gewicht-kwarts-versus-bariet.jpg\" alt=\"A 278-gram raw piece of barite on a scale next to a piece of quartz weighing 164 grams, which is about the same size.\" class=\"wp-image-243978\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/soortelijk-gewicht-kwarts-versus-bariet.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/soortelijk-gewicht-kwarts-versus-bariet-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/soortelijk-gewicht-kwarts-versus-bariet-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/soortelijk-gewicht-kwarts-versus-bariet-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/soortelijk-gewicht-kwarts-versus-bariet-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/soortelijk-gewicht-kwarts-versus-bariet-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>At first glance, these pieces of barite and quartz look alike and are about the same size. However, the barite weighs 278 grams on the scale, while the piece of quartz on the left weighs only 164 grams. This difference illustrates why barite feels significantly heavier than quartz due to its higher specific gravity.  <\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 id=\"bijzondere-eigenschappen\" class=\"wp-block-heading\">Special properties<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Some minerals have properties that allow you to further narrow down the possibilities. Examples include <strong>magnetism<\/strong>, <strong>fluorescence<\/strong> under ultraviolet light, <strong>birefringence<\/strong>, <strong>electrical conductivity<\/strong>, and a <strong>reaction with dilute acid<\/strong>. Not every property is easy or safe to investigate at home.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Be careful when interpreting the results as well. Not every specimen of a particular mineral fluoresces in the same way. Therefore, the absence of fluorescence does not automatically rule out the presence of a mineral. Testing with acid requires knowledge and safe working practices. Furthermore, the acid can damage the surface.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Older books and online posts sometimes mention taste, smell, and heating as tests.  <strong>I advise against licking unknown minerals, inhaling their dust or vapors, or heating the material.<\/strong>  Some minerals contain harmful elements or can release hazardous substances.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Also, do not hold a lighter near an unknown stone<\/strong> to test whether it is real. This test is unreliable, can damage the material, and can release harmful fumes if the stone has been treated or contains synthetic materials or adhesives. The fact that a stone does not melt or change color does not prove that it is natural or correctly identified.  <\/p>\n\n\n\n<h3 id=\"begeleidend-mineralen-en-vindplaats-de-geologische-context-als-aanwijzing\" class=\"wp-block-heading\">Associated minerals and locality: the geological context as a clue<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Don\u2019t just look at the unknown mineral; look at the rest of the specimen as well. Minerals often occur in recognizable combinations. We call such a combination a <strong>paragenesis<\/strong>. The rock on which or within which the mineral is found\u2014the <strong>matrix<\/strong> or <strong>host rock<\/strong>\u2014can also provide important clues.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Certain minerals form under similar conditions and are therefore often found together. An experienced collector can sometimes identify a possible origin based on the combination of minerals, the host rock, and the way the crystals have grown. For a novice collector, it is especially important to recognize that the material surrounding the unknown mineral is not an insignificant detail.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Even a reliable <strong>locality<\/strong> can greatly limit your options. In databases such as <a href=\"https:\/\/www.mindat.org\/\" data-type=\"link\" data-id=\"https:\/\/www.mindat.org\/\" target=\"_blank\" rel=\"noopener\">Mindat<\/a> and <a href=\"https:\/\/www.mineralienatlas.de\/\" data-type=\"link\" data-id=\"https:\/\/www.mineralienatlas.de\/\" target=\"_blank\" rel=\"noopener\">Mineralienatlas<\/a>, you can look up which minerals are known to occur at a particular location. When doing so, don\u2019t just compare photos\u2014also read the descriptions and see which associated minerals are mentioned.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do remain critical, however. Labels may have been mixed up, and names or localities may have been recorded incorrectly. Databases are also not always complete. Therefore, use the locality and associated minerals to corroborate the other characteristics. A reported locality is not a reason to use a mineral name when the hardness, crystal shape, streak color, or other properties clearly do not match it.    <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" data-id=\"243964\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-met-etiket.jpg\" alt=\"White calcite on cream-colored dolomite crystals from the Trep\u010da mine in Kosovo, alongside the accompanying label.\" class=\"wp-image-243964\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-met-etiket.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-met-etiket-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-met-etiket-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-met-etiket-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-met-etiket-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-met-etiket-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" data-id=\"243990\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-matrix-achterkant.jpg\" alt=\"Back side of calcite on dolomite with a matrix consisting of, among other minerals, pyrite and sphalerite from the Trep\u010da Mine in Kosovo.\" class=\"wp-image-243990\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-matrix-achterkant.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-matrix-achterkant-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-matrix-achterkant-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-matrix-achterkant-767x518.jpg 767w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/calciet-op-dolomiet-Trepca-Kosovo-matrix-achterkant-600x405.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>This specimen from the Trep\u010da Mine in Kosovo consists of white calcite on cream-colored, rhombohedral dolomite crystals. The dark matrix, which includes pyrite, is visible on the back. The combination of minerals, the matrix, and the accompanying label together provide valuable information about the paragenesis and location.  <\/em><\/p>\n\n\n\n<h2 id=\"mineralen-thuis-determineren-een-praktische-werkwijze\" class=\"wp-block-heading\"><strong>Identifying minerals at home: a practical guide<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A consistent approach helps prevent you from jumping to conclusions based on the first name that seems plausible. Not every mineral requires the same kind of investigation, but you can usually follow these steps. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Write down what you know<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Make a note of where the specimen comes from and how reliable that information is. Did you find it yourself, does it have an old label attached, or is only the country of origin or trade name known? Distinguish between what is certain and what you suspect. Information on a label can also be incorrect.   <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Take a good look without choosing a name right away<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Examine the specimen under good, neutral lighting and use a magnifying glass if necessary. Pay attention to several useful characteristics, such as color, luster, crystal form, cleavage, associated minerals, and the host rock. You don\u2019t have to examine everything, but never base your conclusion on just one characteristic.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">First, describe what you see. Green, glassy, and grainy in dark volcanic rock is an observation. \u201cProbably olivine\u201d is already a conclusion.  <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineraal-bekijken-met-loep.jpg\" alt=\"Recognizing and identifying - Examining a Mineral with a Magnifying Glass\" class=\"wp-image-243956\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineraal-bekijken-met-loep.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineraal-bekijken-met-loep-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineraal-bekijken-met-loep-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineraal-bekijken-met-loep-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineraal-bekijken-met-loep-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineraal-bekijken-met-loep-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Choose the appropriate tests<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Determine which simple tests can reveal differences between the possible minerals. Consider hardness, streak color, magnetism, or specific gravity. An acid test is only appropriate if you have sufficient knowledge and take the necessary safety precautions.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Start with tests that won&#8217;t cause any damage. Only scratch, streak, or use acid if the item allows it, preferably in an inconspicuous spot or on a loose grain. With cut gemstones, jewelry, and polished objects, it&#8217;s often best to skip these tests.  <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Compare multiple options<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Don&#8217;t just look for a photo that resembles your specimen; compare it with various possible minerals. To do this, use a good mineral guide, specialized literature, and reliable databases such as <a href=\"https:\/\/www.mindat.org\/\" data-type=\"link\" data-id=\"https:\/\/www.mindat.org\/\" target=\"_blank\" rel=\"noopener\">Mindat<\/a>. If the location is known, check which minerals have been described there and which other minerals they occur with.  <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.mindat.org\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-determineren-bevindingen-vergelijken-met-Mindat-.jpg\" alt=\"\" class=\"wp-image-243993\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-determineren-bevindingen-vergelijken-met-Mindat-.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-determineren-bevindingen-vergelijken-met-Mindat-624x421-1.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-determineren-bevindingen-vergelijken-met-Mindat-300x203-1.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-determineren-bevindingen-vergelijken-met-Mindat-767x518-1.jpg 767w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-determineren-bevindingen-vergelijken-met-Mindat-600x405-1.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Also take a look at what doesn&#8217;t fit<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For every possible name, check not only the similarities but also the differences. A mineral may seem to fit well in terms of color and shape, but it may still be ruled out due to a different hardness, cleavage, or streak color. Also pay attention to characteristics you would expect but that are missing.  <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Draw a well-considered conclusion<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Does the name correspond to all the examined characteristics, the host rock, the associated minerals, and the location, if any? Also, honestly indicate how certain the result is. A confirmed name is different from a probable or possible identification.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes, the best conclusion for now is to classify it as a broader mineral group or simply as \u201cunknown.\u201d That\u2019s better than assigning a name that isn\u2019t supported by the available information. <\/p>\n\n\n\n<h2 id=\"veelgemaakte-fouten-bij-mineraaldeterminatie\" class=\"wp-block-heading\"><strong>Common mistakes in mineral identification<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most common mistakes is choosing a name too quickly. As soon as you think a stone is, for example, fluorite or olivine, you tend to focus primarily on the characteristics that fit that name. Characteristics that actually contradict that name then receive less attention. Therefore, always try to explore several possibilities and ask yourself why a particular name might actually be incorrect.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Other common pitfalls include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>based solely on the color or one other distinctive feature;<\/li>\n\n\n\n<li>blindly trusting the results of an app, search engine, or AI application;<\/li>\n\n\n\n<li>just compare photos and not read the accompanying descriptions;<\/li>\n\n\n\n<li>assume that the name and location listed on a label are always correct;<\/li>\n\n\n\n<li>mistaking a metal streak left behind during a hardness test for an actual scratch;<\/li>\n\n\n\n<li>confusing a cleavage plane with a primary crystal face, or vice versa;<\/li>\n\n\n\n<li>accidentally testing the host rock instead of the unknown mineral;<\/li>\n\n\n\n<li>treat a trade name as if it were an official mineral name;<\/li>\n\n\n\n<li>do not take into account treatments, coatings, imitations, or counterfeits;<\/li>\n\n\n\n<li>looking only at the outward appearance, even though it could be a pseudomorph.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"handelsnamen-vragen-extra-aandacht\" class=\"wp-block-heading\">Trade names require extra attention<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A trade name is not automatically incorrect or misleading. Some trade names have been in use for a long time and are widely understood by everyone. An enthusiast or seller may also consciously choose to use such a well-known name. It is important to note, however, that a trade name does not always make it clear exactly which mineral or material is actually being referred to.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Other trade names are primarily coined to make a stone sound more attractive, rarer, or more valuable. Furthermore, the same name is sometimes used for different materials. Treated stones, imitations, and composite products are also not always clearly identified as such.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is especially important for sellers. A customer must be able to trust that a stone is identified as accurately as possible and that any known treatments, imitations, or uncertainties are clearly stated. When the exact mineral species has not been determined, it is better to state this honestly than to use a definitive name that is not sufficiently substantiated.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the <a href=\"https:\/\/stapelvanstenen.nl\/en\/gem-or-scam-library\/\" data-type=\"link\" data-id=\"https:\/\/stapelvanstenen.nl\/belazeriet-of-niet-bibliotheek\/\">Gem or Scam Library<\/a>, I discuss examples of misleading trade names, treated stones, imitations, and other materials that frequently cause confusion in the market.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/s-super-seven-detail.jpg\" alt=\"close-up of hematite in amethyst - trade name: auralite\" class=\"wp-image-233033\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/s-super-seven-detail.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/s-super-seven-detail-300x200.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/s-super-seven-detail-768x512.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/s-super-seven-detail-624x416.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/s-super-seven-detail-600x400.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><i>Close-up of an amethyst with elongated red hematite inclusions. Quartz and amethyst with such inclusions are sold under various trade names, including  <\/i><a style=\"font-style: italic;\" href=\"https:\/\/stapelvanstenen.nl\/en\/auralite-23\/\" data-type=\"post\" data-id=\"228463\">Auralite 23<\/a><i>, <\/i><a style=\"font-style: italic;\" href=\"https:\/\/stapelvanstenen.nl\/en\/super-seven\/\" data-type=\"post\" data-id=\"228919\">Super Seven<\/a><i>, <\/i><a style=\"font-style: italic;\" href=\"https:\/\/stapelvanstenen.nl\/en\/sacred-seven\/\" data-type=\"post\" data-id=\"228871\">Sacred Seven<\/a>, and <a href=\"https:\/\/stapelvanstenen.nl\/en\/melody-stone\/\" data-type=\"post\" data-id=\"228752\">Melody Stone<\/a><em>.<\/em> <em>These names are not official mineral names and do not, on their own, indicate which inclusions are actually present.<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 id=\"wanneer-heb-je-een-expert-of-aanvullend-onderzoek-nodig\" class=\"wp-block-heading\"><strong>When do you need an expert or additional testing?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">By looking closely, comparing specimens, and performing a few simple tests, you can identify many common minerals. However, there are limits to what you can determine at home. Very small crystals, such as those found in micromounts, fine-grained mixtures, rare minerals, and species that closely resemble one another can sometimes not be reliably distinguished from one another.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An expert can then help evaluate the observations and determine what additional research would be useful. Even an expert usually cannot identify the mineral with complete certainty based on a photo alone. Sometimes, therefore, the conclusion is limited to a mineral group, a probable name, or a short list of possibilities. This is not a shortcoming, but an honest conclusion based on the available information.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For greater certainty, investigative techniques such as polarizing microscopy, refractometry, Raman spectroscopy, X-ray diffraction (XRD), or chemical analysis may be necessary. Not every technique provides an answer to the same question. A chemical analysis reveals which elements are present, but this does not always determine the mineral species. Minerals can have similar chemical compositions yet differ in the way the atoms are arranged in their crystal structures. Therefore, multiple types of analysis are sometimes necessary before a reliable conclusion can be reached.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These earlier observations remain important even during laboratory analysis. Do the results match the color, hardness, crystal shape, associated minerals, and reported location? Is the examined area representative of the entire specimen, or might the material consist of multiple minerals? A measurement result must always be considered in conjunction with what has been observed on the entire specimen. A device provides data; correctly interpreting that data still requires knowledge and critical judgment.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Extensive research can also be costly, especially when multiple techniques are required. It is therefore wise to consider in advance exactly what question you want to answer and whether the costs are justified by the financial, scientific, or personal value of the mineral or object. In the case of a cherished stone, analysis may be worthwhile, even if its monetary value is limited. For a common and inexpensive specimen, it may be more reasonable to settle for a probable name or a broader group name.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Individual enthusiasts or collectors will not be willing to pay such costs for every specimen. That is why I believe that wholesalers, sellers, and industry professionals also have a role to play in having materials about which there is uncertainty examined. By making the research question, methods used, results, and limitations public, the entire mineral community can learn from such an analysis. However, it must remain clear exactly which specimen or batch was examined. A result from a single stone cannot automatically be applied to all material that looks the same or is offered under the same trade name. In the <a href=\"https:\/\/stapelvanstenen.nl\/en\/gem-or-scam-library\/\" data-type=\"link\" data-id=\"https:\/\/stapelvanstenen.nl\/belazeriet-of-niet-bibliotheek\/\">Gem or Scam Library<\/a>, I therefore not only collect and discuss conclusions but, where possible, also the studies on which those conclusions are based. This makes analysis results useful for both enthusiasts and sellers and ensures that the degree of certainty in an identification remains transparent.      <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/g-galaxyiet-detail.jpg\" alt=\"g - galaxyite detail\" class=\"wp-image-232696\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/g-galaxyiet-detail.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/g-galaxyiet-detail-300x200.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/g-galaxyiet-detail-768x512.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/g-galaxyiet-detail-624x416.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2024\/10\/g-galaxyiet-detail-600x400.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>A fine-grained tumbled stone that was sold under the trade names<a href=\"https:\/\/stapelvanstenen.nl\/en\/galaxite-galaxyite\/\" data-type=\"post\" data-id=\"228628\">\u201cGalaxyite\u201d or \u201cGalaxite<\/a>.\u201d Through visual inspection and simple tests, we were able to determine that the stone consisted largely of feldspar, possibly labradorite, but a more precise identification was not possible. <\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" data-id=\"235152\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/Raman-analyse-Galaxyiet.jpg\" alt=\"Raman Analysis of Galaxyite\" class=\"wp-image-235152\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/Raman-analyse-Galaxyiet.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/Raman-analyse-Galaxyiet-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/Raman-analyse-Galaxyiet-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/Raman-analyse-Galaxyiet-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/Raman-analyse-Galaxyiet-600x405.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" data-id=\"235154\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/EDX-analyse-Galaxyiet.jpg\" alt=\"EDX Analysis of Galaxyite\" class=\"wp-image-235154\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/EDX-analyse-Galaxyiet.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/EDX-analyse-Galaxyiet-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/EDX-analyse-Galaxyiet-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/EDX-analyse-Galaxyiet-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/EDX-analyse-Galaxyiet-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2025\/03\/EDX-analyse-Galaxyiet-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>The Raman spectrum (left) showed the best match with anorthite, the calcium-rich end member of the plagioclase series. Because labradorite is an intermediate composition within the plagioclase series, information about its chemical composition was also needed. The EDX analysis (right) shows not only aluminum and silicon but also calcium and sodium. The calculated ratios between the end members anorthite (calcium) and albite (sodium) indicate that the stone examined falls within the composition range of labradorite. By combining Raman spectroscopy and chemical analysis, we were able to determine that this tumbled stone, sold as \u201cGalaxyite,\u201d consists of fine-grained labradorite.    <\/em><\/p>\n\n\n\n<h2 id=\"zelf-mineralen-leren-herkennen\" class=\"wp-block-heading\"><strong>Learning to identify minerals yourself<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In this article, you\u2019ve learned which characteristics are important and how to combine different clues. But learning to identify minerals is mainly a matter of <strong>learning to look closely, testing for yourself, comparing, and gaining experience with <\/strong>real specimens. Reading a description is different from actually determining whether you\u2019re looking at a scratch, a cleavage plane, a crystal face, or a specific luster.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the <a href=\"https:\/\/stapelvanstenen.nl\/courses\/basiscursus-mineralen-herkennen\/\" data-type=\"link\" data-id=\"https:\/\/stapelvanstenen.nl\/cursussen\/basiscursus-mineralen-herkennen\/\">Basic Course on Identifying Minerals (Dutch)<\/a>, you \u2019ll learn , step by step, how to examine minerals and how to use the data you gather to compare and rule out possibilities. The goal is not to memorize as many mineral names as possible, but to learn to look at an unknown rock in a different way and to be able to support your conclusions more and more effectively. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Would you like to learn how to identify and classify minerals on your own? Then check out the Basic Course in Mineral Identification and discover how you can get started with classification at home in a practical and structured way. <\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/stapelvanstenen.nl\/courses\/basiscursus-mineralen-herkennen\/\" style=\"background-color:#df9900\">Check out the Basic Course on Identifying Minerals<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/stapelvanstenen.nl\/courses\/basiscursus-mineralen-herkennen\/\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Online-Basiscursus-Mineralen-herkennen.jpg\" alt=\"Online Basic Course: Identifying Minerals\" class=\"wp-image-225514\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Online-Basiscursus-Mineralen-herkennen.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Online-Basiscursus-Mineralen-herkennen-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Online-Basiscursus-Mineralen-herkennen-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Online-Basiscursus-Mineralen-herkennen-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Online-Basiscursus-Mineralen-herkennen-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Online-Basiscursus-Mineralen-herkennen-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 id=\"geslepen-edelstenen-determineren\" class=\"wp-block-heading\"><strong>Identifying cut gemstones<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A slightly different approach is required for cut gemstones. Because of the cutting process, characteristics such as the original crystal shape, the host rock, and the associated minerals are usually no longer visible. For this reason, gemstone identification relies on other properties and measurement methods.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the course <a href=\"https:\/\/stapelvanstenen.nl\/courses\/leer-edelstenen-determineren\/\" data-type=\"link\" data-id=\"https:\/\/stapelvanstenen.nl\/cursussen\/leer-edelstenen-determineren\/\">\u201cHow to Identify Gemstones<\/a>,\u201d (Dutch) you will learn which instruments and data sets are used to examine cut gemstones and distinguish them from one another.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-background has-text-align-center wp-element-button\" href=\"https:\/\/stapelvanstenen.nl\/courses\/leer-edelstenen-determineren\/\" style=\"background-color:#df9900\">Check out the course &#8220;How to Identify Gemstones&#8221;<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/stapelvanstenen.nl\/courses\/leer-edelstenen-determineren\/\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/geslepen-edelstenen-determineren.jpg\" alt=\"Identifying Cut Gemstones\" class=\"wp-image-243968\" srcset=\"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/geslepen-edelstenen-determineren.jpg 800w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/geslepen-edelstenen-determineren-300x203.jpg 300w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/geslepen-edelstenen-determineren-768x518.jpg 768w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/geslepen-edelstenen-determineren-624x421.jpg 624w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/geslepen-edelstenen-determineren-600x405.jpg 600w, https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/geslepen-edelstenen-determineren-74x50.jpg 74w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 id=\"veelgestelde-vragen-over-mineralen-herkennen\" class=\"wp-block-heading\"><strong>Frequently asked questions about identifying minerals<\/strong><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1788897211065\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How can I identify a mineral myself?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Start by examining the specimen closely and describing its various visible characteristics, such as color, luster, transparency, crystal shape, and host rock. Then, perform only those tests that are appropriate for the specimen, such as tests for hardness, streak color, magnetism, or specific gravity. Compare several possible minerals and determine which name best matches all your observations.  <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897328700\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Can you identify a mineral by its color?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Sometimes color is an important clue, but most of the time, color alone isn&#8217;t enough. A single mineral species can have different colors, and different minerals can, in fact, appear to be almost the same color. Therefore, always combine color with other characteristics.  <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897350525\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">What characteristics are most important when identifying minerals?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>This varies by mineral and by specimen. Commonly used characteristics include crystal shape, habit, luster, transparency, hardness, cleavage, fracture, color, streak color, and specific gravity. Special properties, the host rock, associated minerals, and the location of discovery can also provide important clues. The combination of multiple characteristics almost always reveals more than a single test on its own.   <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897368620\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How do you determine the hardness of a mineral?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>You compare the scratch resistance of the mineral with that of a mineral or material whose hardness is approximately known. The harder material leaves a permanent scratch on the softer one. Check carefully to make sure a groove has actually formed and that it is not just a mark left behind by, for example, metal or the test mineral. Because this test causes damage, perform it only on an inconspicuous spot or a small loose grain. For a cut stone, piece of jewelry, or valuable specimen, it is best to skip this test.    <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897405908\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Can you identify a mineral using a photo or an AI app?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>A photo, search engine, or AI app can suggest a few possible names, especially when a mineral has a recognizable shape or color. However, this usually does not result in a reliable identification. Important properties such as hardness, streak color, cleavage, and specific gravity cannot be determined from a regular photo. Therefore, treat the suggested names as possibilities that you should verify using other observations, tests, and reliable sources.   <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897417801\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">What materials do you need at home?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>With good lighting, a magnifying glass, and reliable reference materials, you can already observe and compare a great deal. For further investigation, you can use, among other things, a precision scale, a streak plate, and appropriate tools for a hardness test. Which tools are useful depends on the material and the question you want to answer. Learning to observe carefully and knowing which test can actually demonstrate a difference are more important than immediately purchasing an extensive test kit or expensive instruments.   <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897448476\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">What is paragenesis in minerals?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Paragenesis refers to minerals that occur together and were formed under similar conditions. The associated minerals, the host rock, and the way in which minerals have grown on or over one another can help narrow down the possibilities. A recognizable paragenesis is an important clue, but does not in itself constitute proof of a mineral\u2019s name or locality.  <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897469643\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Can you identify the mineral based on where it was found?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>A reliable locality can help narrow down your options, since not every mineral is found everywhere. You can look up which species are known to occur at a particular location in mineral guides and databases. Be sure to remain critical, though: labels can be mixed up or incorrect, and databases aren\u2019t always complete. The properties of the mineral itself must still match the chosen name.   <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897486458\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Do you always have to identify a mineral down to the exact species?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>No. For an enthusiast, a broader group name or a well-known trade name may sometimes suffice, as long as it is clear what that name does and does not mean. Without specialized research, it is not possible to reliably identify some minerals down to the exact species. In such cases, it is better to use a broader or probable name rather than suggest a higher degree of certainty than actually exists.   <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1788897516115\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">When is further testing necessary?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Additional testing may be necessary for very small crystals, fine-grained mixtures, rare minerals, or species that cannot be distinguished from one another using simple tests. Depending on the specific question, techniques such as refractometry, Raman spectroscopy, X-ray diffraction, or chemical analysis may be used. Sometimes multiple techniques are required. These results must also be combined with earlier observations of the mineral and the entire specimen.   <\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Minerals and gemstones are bought or collected for all sorts of reasons. Some people are drawn to a beautiful color or crystal shape, while others&hellip;<\/p>\n","protected":false},"author":4,"featured_media":243989,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_post_was_ever_published":false},"categories":[728],"tags":[3531,3532,3533,3530],"class_list":["post-244012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-for-the-enthusiast","tag-identify-minerals","tag-identifying-minerals-at-home","tag-mineral-course","tag-recognizing-minerals",""],"jetpack_featured_media_url":"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2026\/09\/mineralen-herkennen-en-determineren-ruwe-en-geslepen-stenen-loep-2.jpg","_links":{"self":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts\/244012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/comments?post=244012"}],"version-history":[{"count":4,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts\/244012\/revisions"}],"predecessor-version":[{"id":244016,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts\/244012\/revisions\/244016"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/media\/243989"}],"wp:attachment":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/media?parent=244012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/categories?post=244012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/tags?post=244012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}