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Remarkable quartz with citrine color from Morocco
For several years, remarkable shaped quartz crystals have been popping up on the market from Morocco with a distinctive citrine color,
Khyberstone
Commercial name for a relatively new rock on the international market (2023). The name is derived from the region where it
Batu Pasir Intan (“diamond sandstone”)
Local name for an unusual sandstone that appeared on the Dutch market in 2024 through a seller with connections in Indonesia.
Ammonium dihydrogen phosphate (ADP/MAP) – man-made crystals
An artificial (man-made) crystalline salt with the chemical composition NHâ‚„Hâ‚‚POâ‚„, known as ammonium dihydrogen phosphate (ADP). In commerce, it is also
Purple malachite
Commercial name for a purple rock or mineral aggregate marketed from China in 2024 in the form of polished objects such
Opal
Opal is a natural hydrated silica with the chemical formula SiOâ‚‚ – nHâ‚‚O and belongs to the mineraloids – substances that
Monarch opal
A commercial name for a man-made opal, with the official name Sterling Opal. Names like Monarch, Galaxy, Monet or Exodus opal
Dandelion Zeolite
Commercial fantasy name for an artificially manufactured material marketed as unique zeolites or other minerals. In reality, these are sphere-shaped needles
Sunset quartz
Commercial name for clear quartz (rock crystal) with red hematite phantoms from India. This name refers to the striking phenomenon of
Gilson opal
A name for a synthetic man-made opal designed to mimic the appearance of natural precious opal as good as possible. Gilson
Heinekenite
Commercial (and comical) name for green glass. The name heinekenite occasionally pops up in collecting circles and online forums as a
Surfite
Commercial name for a colorful artificial material that for a number of years has been offered as cabochons, beads, ornaments or
Quartz, synthetic / lab-grown
Although the mineral quartz is one of the most common minerals on earth and is found in large quantities, synthetically manufactured
Lonsdaleite (diamond)
The name lonsdaleite is an officially recognized mineral name for a rare form of carbon but is regularly used online and
Peanut obsidian
Commercial name for orbicular perlite from Mexico, actually a “devitrified” obsidian, also known as red snowflake obsidian and also sold under
Firefly quartz
Commercial name for quartz crystals containing petroleum inclusions, mainly from Madagascar. Under UV light, these petroleum inclusions exhibit a bright yellow-green
Imperial topaz
Commercial name for a natural brownish-yellow to orange-red variety of topaz, usually from Brazil. Topaz is a common, natural mineral with
Sphalerite
Official mineral name for a zinc sulfide (ZnS), with a characteristic resinous to submetallic luster and usually brown to black color.
Nundorite
Local (lapidary-commercial) name for a unique rock with a distinctive appearance: a fine matrix in beige to brown with scattered, often
Kobyashevite
Official mineral name for a rare copper sulfate with the formula Cuâ‚…(SOâ‚„)â‚‚(OH)₆ – 4Hâ‚‚O. It usually forms blue-green to turquoise-colored crystals
Cotton Candy agate
Commercial name for a natural combination of pink jasper and white agate from Mexico. This variegated pink and white stone is
Black Rose fluorite
Commercial name for nearly black fluorite that has been popping up on major international sales platforms since 2023, but has since
Morenosite
Official mineral name for nickel(II) sulfate heptahydrate, chemically represented as NiSOâ‚„-7Hâ‚‚O. It belongs to the epsomite group, which also includes such
Phoenix stone
Commercial name for a white stone with blue-green flecks and black grains. The name suggests something rare and powerful, possibly inspired
Dragonglass obsidian
Commercial name for weathered nodules of obsidian, from the island of Milos, Greece. Dragonglass obsidian is a recently described type of
Geraisite
A local name for a only recently identified type of natural impact glass (tektite) from the state of Minas Gerais in
Alum
Alum (or Dutch aluin) is a general name for compounds consisting of aluminum (or sometimes another metal with a charge of
Potassium ferricyanide (red)
Potassium hexacyanoferrate(III), also known as potassium ferricyanide or Cyanorubin (German), is a synthetic compound with the chemical formula K₃[Fe(CN)₆]. In pure
Thomsonite with mesolite
Both mesolite and thomsonite are natural minerals belonging to the zeolite group. They are known for their fine, needle-shaped crystals that
Synergy 12 / 12 Synergy Stones / Twelve Stones
Commercial term for a collection of twelve specific minerals that according to some sources, are said to possess special properties, especially
Mascagnite
Official name for the rare ammonium sulfate mineral with the chemical formula (NHâ‚„)â‚‚SOâ‚„. It forms a series with arcanite (potassium sulfate,
Larimar
Commercial name for a solid blue variety of the mineral pectolite, found exclusively in the Dominican Republic and widely used as
K2 (-azurite/granite/jasper/stone)
Commercial name for granite with round patches of blue azurite. Found on K2: the second highest mountain in the world (8,611
Baked Amethyst / Heat-Treated Amethyst (HTA)
Designation for heated amethyst that turns yellow-brown as a result and often has to pass for citrine. Because real (untreated) citrine
Green moonstone (with garnierite)
Commercial name for a gray-green stone with (bright) green veins and sometimes with a form of bluish “flash” or pearlescent sheen.
Sakura agate / jasper / stone
Commercial name for a metamorphic rock with a unique flower-like texture. Cut objects of this stone are sold commercially under many
African bloodstone
Commercial name for a green-gray chalcedony with delineated pieces of red jasper and light gray chalcedony, often combined with speckles of
Seftonite
Name for a translucent, moss-green variety of chalcedony, but used as a commercial name for a green-gray chalcedony from Africa with
Praetorianite
Commercial name for a massive variety of grossular, a green mineral from the garnet group. Named for Pretoria, the administrative capital
Lilaczanite
Commercial name for quartz with a light purple color and a milky or opal-like hue similar to girasol quartz. This material
Verdite
Commercial name for a green stone, primarily an impure fuchsite, originally from North Cape River, South Africa. Consists mainly of fuchsite,
Pet Rockâ„¢
Commercial name for a collectible invented in 1975 by advertising executive Gary Dahl. The original Pet Rocksâ„¢ were smooth stones from
Que Sera Stoneâ„¢
Registered commercial trader name for a volcanic rock (rhyolite) that includes blue quartz and pink feldspar. Esoteric crystal author Melody first
Patchwork jasper
Commercial name for yet another “new” stone from Madagascar, sold by various names: Fairy Dream, morondavite and patchwork jasper. It is
Llanite / Llanoite
Local name for a volcanic rock (rhyolite) that includes blue quartz and feldspar crystals. Named after the locality, the Llanite Rhyolite
Analysis: apatite in cleavelandite or not?
By now there are a lot of stones on the market with blue spots, under a lot of different names. One
Strawberry quartz
Commercial name for red- to pink-colored quartz with hematite inclusions or man-made glass. Originally, this name was used in the 19th
Afghanistan/Afghan jade
Misleading commercial name for the mineral bowenite, a variety of antigorite, a mineral from the serpentine group. So it is not
African jade
Misleidende commerciële naam voor een massieve variëteit van grossulaar, een groen mineraal uit de granaatgroep. Vernoemd naar het voorkomen in Afrika
African turquoise
Commercial name for a variety of jasper mined in Africa and often treated to make the blue-green color resemble that of
Agate
Name for a distinctly striped or banded chalcedony. Originally found in the river Dirillo (formerly Achates) in Sicily, Italy, from which
Agape Crystal®
Registered trademark used for material said to contain the following combination of minerals: quartz, smoky quartz, rutile quartz, amethyst, goethite, lepidocrocite
Agni Manitite
Commercial name for rounded pebbles of obsidian found in rivers around Malamingan, Sumatra, Indonesia. These water-rolled obsidian fragments are usually dark,
Agnititeâ„¢
Unregistered commercial name for clear to milky white quartz with red to reddish-brown inclusions of hematite, mainly from Madagascar. The word
Alligator quartz
Synonym for so-called jacaré quartz, a growth form of quartz (usually smoky quartz) with many parallel crystal faces (bulges). Jacaré quartz
Amegreenâ„¢
Unregistered commercial name for banded amethyst (also called chevron amethyst) combined with prasiolite, a green transparent variety of macrocrystalline quartz (also
Amazezâ„¢
Commercial name for banded amethyst, also called chevron amethyst. The name Amazezâ„¢ is an amalgamation of the names amethyst and Azeztuliteâ„¢,
American jade
A misleading local name for massive vesuvianite or a rock containing mostly vesuvianite. Except that the material resembles jade, there is
Amazon jade/stone
Misleading commercial name for amazonite, a green variety of microcline, a mineral in the feldspar group. Amazonite has no relation to
Ametrine
An accepted name for a yellow-purple variety of quartz, the name being derived from the quartz varieties amethyst and citrine. According
Amechlorite
Unnecessary commercial name for amethyst with chlorite inclusions, by Judy Hall in her 3rd Crystal Guide1 introduced. Do you have a
Amphibole quartz
Trade name for certain quartz crystals with phantoms or inclusions of minerals from the amphibole group in various colors. Also called
Ammolite
Commercial name for the iridescent or “opalescent” outer surface of fossilized shell of ammonites, primarily from the Bearpaw Formation in southern
Amorite
Trade name for ‘druzy’ quartz with chalcedony from Mexico. ‘Druzy’ means a top layer of very small crystals on a fracture
Pineapple quartz
Fantasy name used as a synonym for cactus quartz, after its resemblance to a pineapple. Learn more about quartz growthforms? Take
Anandaliteâ„¢
Unregistered commercial name for natural quartz in which rainbow colors occur due to refraction of light on internal fracture surfaces. Other
Andesine labradorite
Andesine is a natural mineral that, like labradorite, belongs to the feldspar group. Today the market offers gemstones made of andesine
Ancestralite
Unregistered commercial fancy name for a red with metallic colored banded rock. This is banded iron ore, also known as Banded
Andean/Andes marble
Trade name used for over 25 years for hand-carved marble figurines from the Andes mountains, Peru. Mostly animal figures, but also
Andamooka (matrix) opal
Andamooka (South Australia) is known for its light-colored opal, sometimes referred to as milk opal. Andamooka opal is also common as
Andean opal (blue and pink)
Commercial name for “common” opal originating in the Andes, specifically Peru. Therefore also called Peruvian (blue/pink) opal. Available in the natural
Angelite
Commercial name for a semi-transparent light blue-gray to blue-lilac anhydrite. Sold with this name is usually the solid form from Peru,
Andaraâ„¢ ‘crystals’/obsidian
This is perhaps one of the biggest and most persistent hoax stories today. Often referred to by sellers as natural volcanic
Angel quartz
Commercial name for cactus quartz. Learn more about quartz growthforms? Take the mini course!
Angeliniteâ„¢
Unregistered commercial name for a white, crystalline opaque stone, possibly quartz or calcium carbonate (aragonite/calcite), but its exact composition is not
Anyolite
Local (trade) name for a stone better known as “ruby in zoisite. Named after the Masai word Anyole (= green). Anyolite
Aqua Terra Jasper
Misleading commercial name for synthetically molded resin. Nothing natural about it at all, no jasper or other mineral to be found
Apache tear
Local name for spherical obsidian, usually embedded in gray perlite, mainly from Arizona, United States. The spheres of black-gray translucent obsidian
Aphrodite stone
Commercial fantasy name for cobalt-bearing calcite (also called cobalto-calcite), named after the Greek goddess Aphrodite, the goddess of love, beauty, sexuality
Arabic Stone
Commercial name for a yellowish-brown to brownish-red sedimentary rock from the Indian Himalayas with light brown lines and arches. So named
Aqualiteâ„¢
Commercial name for blue apatite in quartz. Several registrations have been found for the brand name Aqualite, but none involve a
Arcanite
Official mineral name for a form of potassium sulfate (K2SO4). In 1845, Wilhelm Carl von Haidinger gave the mineral this name
Aquaprase
Commercial name for ocean blue-green-colored chalcedony. The name in reference to an aqua blue chrysporase, also a chalcedony variety. Could also,
Arctic Green
Commercial name (especially in the natural stone trade) for a metamorphic rock from Norway, a fuchsite schist or gneiss. The rock
Aquatine (calcite)â„¢
Unregistered commercial name for blue-colored (aqua) banded calcite from Argentina. Also called blue onyx, Lemurian Aquatine Calciteâ„¢ or oceanite. Incidentally, this
Eagle Eye
Commercial name used for several stones referred to as Eagle Eye or Eagle’s Eye. The name is used primarily for a
Artichoke quartz
Name for a specific growth form of quartz called split growth. In a typical artichoke quartz, the crystals grow “split” in
Ascensioniteâ„¢
Unregistered commercial name for a simple rock said to consist of dolomite, basalt and quartz from South Africa. Registered by Steven
Ascension stones
Commercial name for marcasite nodules. Are often offered as a pair of a male and female stone, much like Boji®Stones and
Astralineâ„¢
Unregistered commercial name for quartz, combined with muscovite and cronstedtite (mineral from the serpentine group). Do you have a nice example
Atlantis Stone
This name is used for several minerals. Among others, for larimar (a variety of pectolite). ‘Channelled’ by Edgar Cayce and mainly
Atlantisiteâ„¢
Unregistered commercial name for a serpentinite rock composed of green minerals from the serpentine group and purple stichtite. This trademark was
Aura Quartz
Commercial name for mostly natural lower-grade quartz that has undergone laboratory treatment. In a vacuum chamber (heated to about 870 °C)
Azotic Topaz
Commercial name for laboratory-treated white topaz coated with titanium. Do you have a nice example of this stone and would like
Auralite 23®
Registered trade name for amethyst with inclusions of ferrous minerals, in most cases probably hematite. This amethyst variant is claimed to
Azumarâ„¢
Unregistered commercial name coined in 2014 by Robert Simmons (Heaven & Earth) and used for material he marketed at the major
Aurora Quartz
Fantasy name for natural quartz in which rainbow colors occur due to refraction of light on internal fracture surfaces. Other names
Bahia ‘citrine’
Commercial name for a heated amethyst (also called heat-treated amethyst or HTA) with a yellow-orange to orange-brown color. Because genuine (untreated)
