{"id":231716,"date":"2024-09-27T09:30:00","date_gmt":"2024-09-27T07:30:00","guid":{"rendered":"https:\/\/stapelvanstenen.nl\/podcasts\/"},"modified":"2025-09-05T01:21:53","modified_gmt":"2025-09-04T23:21:53","slug":"podcasts","status":"publish","type":"page","link":"https:\/\/stapelvanstenen.nl\/en\/podcasts\/","title":{"rendered":"Podcasts"},"content":{"rendered":"\t\t
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\"kwarts<\/div><\/a>\n\t\t\t\t
Deeper analysis<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tControversy surrounding purple fluorite on quartz from China\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Since the publication of the first version of this article on Jan. 6, 2026, much new information has become available in<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t6 January 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"Stapel<\/div><\/a>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPodcast 011: What you need to know about citrine. In conversation with Henk Rijneveld\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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The podcast is in Dutch, but available via YouTube with English subtitles, so you can listen in – even if your<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t6 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"Stapel<\/div><\/a>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPodcast 010: De-collecting? In conversation with Ed Richard\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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The podcast is in Dutch, but available via YouTube with English subtitles, so you can listen in – even if your<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t6 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"verzameling<\/div><\/a>\n\t\t\t\t
For the enthusiast<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAbout the value of de-collecting\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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For the tenth episode of the Stack of Stones community podcast, I sat down with Ed Richard to discuss a topic<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t30 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"expositie<\/div><\/a>\n\t\t\t\t
For the enthusiast<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tExhibition Pristine Minerals & Stack of Stones\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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For the international mineral show in Rijswijk, Ed of Pristine Minerals and Rolf of Stack of Stones have put together a special exhibit featuring minerals from India and the pegmatites of Afghanistan and Pakistan.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t6 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPodcast 009: When do we call something a gemstone? In conversation with Henk Rijneveld FGA\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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The podcast is in Dutch, but available via YouTube with English subtitles, so you can listen in – even if your<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t6 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"Gem<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tIntroduction: Gem or Scam?\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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On this introductory page, I explain exactly what “Scammite” (Belazeriet in Dutch) means, discuss different forms of Scammite, and how the Gem or Scam library can help you make informed gem and mineral purchases and sales.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t29 November 2024\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tNames of minerals and gemstones\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Why is correct naming of gemstones and minerals important? Commercial names and fancy names can cause confusion. It also highlights legal aspects and examples of misleading marketing. Read more about standards such as those set by the IMA and CIBJO to promote uniform nomenclature. <\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t7 May 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"onderzoek<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tResearch\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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The compilation of the online “Gem or Scam” library was preceded by extensive research, consulting various sources. The process included analyzing commercial and esoteric names, geological data and legal aspects, resulting in an up-to-date reference work. <\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t16 June 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tConsequences of Scammite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Learn about the consequences of “Scammite”, including confusion, health risks and legal liability due to misleading naming. Be aware of blaming and shaming online and maintain mutual respect within the mineral and gem world. Includes practical tips for recognizing Scammite and working together to provide honest and reliable information. <\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t16 June 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tFireworks Stone\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a decorative rock that has appeared in the international mineral and gemstone market since about 2019. The material<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t8 March 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAlien Amethyst\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Trade name for amethyst with red hematite inclusions from India, often with so-called “elestial growth,” phantoms, partial overgrowth and a natural<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t21 February 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tOwyhee (blue) opal\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial trade name for a form of ‘common’ blue opal (common means without play of color) from southeastern Oregon and southwestern<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t5 January 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"vulkaan<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tVolcano agate\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial (fantasy) name for a gray agate\/chalcedony from China known for strong green fluorescence under UV. There is no indication that<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t2 February 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tHemimorphite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Official mineral name for a hydrated zinc silicate with the chemical formula Zn4Si2O7(OH)2 -H2O formed mainly in the oxidation zones of<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 December 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tRemarkable quartz with citrine color from Morocco\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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For several years, remarkable shaped quartz crystals have been popping up on the market from Morocco with a distinctive citrine color,<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t17 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tHarleyite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a motley colored artificial material that appears on the market as cabochons, beads, ornaments or raw pieces, especially<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t7 December 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"khybersteen<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tKhyberstone\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a relatively new rock on the international market (2023). The name is derived from the region where it<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t26 November 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"Batu<\/div><\/a>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tBatu Pasir Intan (“diamond sandstone”)\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Local name for an unusual sandstone that appeared on the Dutch market in 2024 through a seller with connections in Indonesia.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t10 November 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"ADP<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmmonium dihydrogen phosphate (ADP\/MAP) – man-made crystals\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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An artificial (man-made) crystalline salt with the chemical composition NH\u2084H\u2082PO\u2084, known as ammonium dihydrogen phosphate (ADP). In commerce, it is also<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t17 October 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"paarse<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPurple malachite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a purple rock or mineral aggregate marketed from China in 2024 in the form of polished objects such<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t8 October 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"boulderopaal<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tOpal\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Opal is a natural hydrated silica with the chemical formula SiO\u2082 – nH\u2082O and belongs to the mineraloids – substances that<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"surfite<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tSurfite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a colorful artificial material that for a number of years has been offered as cabochons, beads, ornaments or<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t11 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"monarch-opaal<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tMonarch opal\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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A commercial name for a man-made opal, with the official name Sterling Opal. Names like Monarch, Galaxy, Monet or Exodus opal<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"Dandelion<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tDandelion Zeolite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial fantasy name for an artificially manufactured material marketed as unique zeolites or other minerals. In reality, these are sphere-shaped needles<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t16 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"sunset<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tSunset quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for clear quartz (rock crystal) with red hematite phantoms from India. This name refers to the striking phenomenon of<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t11 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"gilson-opaal-black-opals-pinfire\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tGilson opal\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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A name for a synthetic man-made opal designed to mimic the appearance of natural precious opal as good as possible. Gilson<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t7 May 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"lonsdaleiet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tLonsdaleite (diamond)\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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The name lonsdaleite is an officially recognized mineral name for a rare form of carbon but is regularly used online and<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\t
\"heinekeniet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tHeinekenite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial (and comical) name for green glass. The name heinekenite occasionally pops up in collecting circles and online forums as a<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t11 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"verschillende<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tQuartz, synthetic \/ lab-grown\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Although the mineral quartz is one of the most common minerals on earth and is found in large quantities, synthetically manufactured<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"pinda<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPeanut obsidian\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for orbicular perlite from Mexico, actually a “devitrified” obsidian, also known as red snowflake obsidian and also sold under<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAfrican bloodstone\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a green-gray chalcedony with delineated pieces of red jasper and light gray chalcedony, often combined with speckles of<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t5 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tSeftonite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Name for a translucent, moss-green variety of chalcedony, but used as a commercial name for a green-gray chalcedony from Africa with<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"r<\/div><\/a>\n\t\t\t\t
For the enthusiast<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tEthical aspects of rose quartz mining\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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On February 10, 2025, consumer TV program Radar paid attention to the extraction and trade of rose quartz in Madagascar, including hidden camera footage of the mineral show in Rijswijk (Netherlands). This led to mixed reactions within the gem industry in the Netherlands. This article discusses the provenance, working conditions and sustainability of rose quartz, focusing on both the specific situation in Madagascar and the broader context within the global mining industry. This provides insight into the challenges and nuances of the gemstone trade. The article has been updated in response to the discussion generated by the broadcast. <\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t2 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPraetorianite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a massive variety of grossular, a green mineral from the garnet group. Named for Pretoria, the administrative capital<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t20 August 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"nundoriet\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tNundorite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Local (lapidary-commercial) name for a unique rock with a distinctive appearance: a fine matrix in beige to brown with scattered, often<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"Stapel<\/div><\/a>\n\t\t\t\t
Podcast<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPodcast 008: The price of a mineral? In conversation with Ed Richard\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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The podcast is in Dutch, but also available via YouTube with English subtitles, so you can listen in – even if<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t6 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"kobyasheviet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tKobyashevite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Official mineral name for a rare copper sulfate with the formula Cu\u2085(SO\u2084)\u2082(OH)\u2086 – 4H\u2082O. It usually forms blue-green to turquoise-colored crystals<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"cotton<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tCotton Candy agate\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a natural combination of pink jasper and white agate from Mexico. This variegated pink and white stone is<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"firefly<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tFirefly quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for quartz crystals containing petroleum inclusions, mainly from Madagascar. Under UV light, these petroleum inclusions exhibit a bright yellow-green<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"black<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tBlack Rose fluorite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for nearly black fluorite that has been popping up on major international sales platforms since 2023, but has since<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"imperial<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tImperial topaz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a natural brownish-yellow to orange-red variety of topaz, usually from Brazil. Topaz is a common, natural mineral with<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"m<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tMorenosite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Official mineral name for nickel(II) sulfate heptahydrate, chemically represented as NiSO\u2084-7H\u2082O. It belongs to the epsomite group, which also includes such<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"Sfaleriet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tSphalerite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Official mineral name for a zinc sulfide (ZnS), with a characteristic resinous to submetallic luster and usually brown to black color.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t12 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"phoenix<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tPhoenix stone\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for a white stone with blue-green flecks and black grains. The name suggests something rare and powerful, possibly inspired<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"dragon<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tDragonglass obsidian\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for weathered nodules of obsidian, from the island of Milos, Greece. Dragonglass obsidian is a recently described type of<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"geraisite<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tGeraisite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

A local name for a only recently identified type of natural impact glass (tektite) from the state of Minas Gerais in<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"aluin<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAlum\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Alum (or Dutch aluin) is a general name for compounds consisting of aluminum (or sometimes another metal with a charge of<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t16 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"rood<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tPotassium ferricyanide (red)\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Potassium hexacyanoferrate(III), also known as potassium ferricyanide or Cyanorubin (German), is a synthetic compound with the chemical formula K\u2083[Fe(CN)\u2086]. In pure<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"mesoliet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tThomsonite with mesolite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Both mesolite and thomsonite are natural minerals belonging to the zeolite group. They are known for their fine, needle-shaped crystals that<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t16 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tSynergy 12 \/ 12 Synergy Stones \/ Twelve Stones\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial term for a collection of twelve specific minerals that according to some sources, are said to possess special properties, especially<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"m<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tMascagnite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Official name for the rare ammonium sulfate mineral with the chemical formula (NH\u2084)\u2082SO\u2084. It forms a series with arcanite (potassium sulfate,<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"l<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tLarimar\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for a solid blue variety of the mineral pectolite, found exclusively in the Dominican Republic and widely used as<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 August 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"K2<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tK2 (-azurite\/granite\/jasper\/stone)\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for granite with round patches of blue azurite. Found on K2: the second highest mountain in the world (8,611<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t3 August 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"c<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tBaked Amethyst \/ Heat-Treated Amethyst (HTA)\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Designation for heated amethyst that turns yellow-brown as a result and often has to pass for citrine. Because real (untreated) citrine<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t30 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"g<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tGreen moonstone (with garnierite)\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for a gray-green stone with (bright) green veins and sometimes with a form of bluish “flash” or pearlescent sheen.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t30 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"sakura<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tSakura agate \/ jasper \/ stone\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for a metamorphic rock with a unique flower-like texture. Cut objects of this stone are sold commercially under many<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 September 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"lilaczaniet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tLilaczanite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for quartz with a light purple color and a milky or opal-like hue similar to girasol quartz. This material<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t13 August 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"educatieve<\/div><\/a>\n\t\t\t\t
Video<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tEducational live session on agate\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Recording of an educational live session for mineral and gemstone enthusiasts from my community. This session is about agate, a banded<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t28 November 2024\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"verdiet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tVerdite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for a green stone, primarily an impure fuchsite, originally from North Cape River, South Africa. Consists mainly of fuchsite,<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t31 August 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"pet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tPet Rock\u2122\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for a collectible invented in 1975 by advertising executive Gary Dahl. The original Pet Rocks\u2122 were smooth stones from<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t20 August 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"Japanse<\/div><\/a>\n\t\t\t\t
For the enthusiast<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAcquisition of the month: Japanese twin quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

I recently added a fine specimen of a Japanese-law quartz twin to my collection from the Ambolo Quartz Mine in Madagascar.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t22 November 2024\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"mineralenbeurs<\/div><\/a>\n\t\t\t\t
For the enthusiast<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tTips for visiting a mineral show\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Mineral shows are a melting pot of passion, knowledge and discovery. If you have ever visited a mineral show, you know<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t11 October 2024\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"q<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tQue Sera Stone\u2122\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Registered commercial trader name for a volcanic rock (rhyolite) that includes blue quartz and pink feldspar. Esoteric crystal author Melody first<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t18 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"m<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPatchwork jasper\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for yet another “new” stone from Madagascar, sold by various names: Fairy Dream, morondavite and patchwork jasper. It is<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t20 August 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"Stapel<\/div><\/a>\n\t\t\t\t
Podcast<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tPodcast 007: Now what if you go to a mineral show?\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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The podcast is in Dutch, but available via YouTube with English subtitles, so you can listen in – even if your<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t27 September 2024\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"llaniet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tLlanite \/ Llanoite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Local name for a volcanic rock (rhyolite) that includes blue quartz and feldspar crystals. Named after the locality, the Llanite Rhyolite<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t18 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"\"<\/div><\/a>\n\t\t\t\t
Deeper analysis<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAnalysis: apatite in cleavelandite or not?\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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By now there are a lot of stones on the market with blue spots, under a lot of different names. One<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t27 September 2024\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tStrawberry quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for red- to pink-colored quartz with hematite inclusions or man-made glass. Originally, this name was used in the 19th<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t5 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAfghanistan\/Afghan jade\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Misleading commercial name for the mineral bowenite, a variety of antigorite, a mineral from the serpentine group. So it is not<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t5 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAfrican jade\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Misleidende commerci\u00eble naam voor een massieve vari\u00ebteit van grossulaar, een groen mineraal uit de granaatgroep. Vernoemd naar het voorkomen in Afrika<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t5 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAfrican turquoise\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for a variety of jasper mined in Africa and often treated to make the blue-green color resemble that of<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t5 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAgate\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Name for a distinctly striped or banded chalcedony. Originally found in the river Dirillo (formerly Achates) in Sicily, Italy, from which<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t6 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"s<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAgape Crystal\u00ae\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Registered trademark used for material said to contain the following combination of minerals: quartz, smoky quartz, rutile quartz, amethyst, goethite, lepidocrocite<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t8 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAgni Manitite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for rounded pebbles of obsidian found in rivers around Malamingan, Sumatra, Indonesia. These water-rolled obsidian fragments are usually dark,<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t8 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAgnitite\u2122\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Unregistered commercial name for clear to milky white quartz with red to reddish-brown inclusions of hematite, mainly from Madagascar. The word<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t8 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAlligator quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Synonym for so-called jacar\u00e9 quartz, a growth form of quartz (usually smoky quartz) with many parallel crystal faces (bulges). Jacar\u00e9 quartz<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t8 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"a<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAllura\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Synonym for the mineral gaspeite, a nickel carbonate from the calcite group.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t8 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmegreen\u2122\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Unregistered commercial name for banded amethyst (also called chevron amethyst) combined with prasiolite, a green transparent variety of macrocrystalline quartz (also<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"c<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmazez\u2122\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for banded amethyst, also called chevron amethyst. The name Amazez\u2122 is an amalgamation of the names amethyst and Azeztulite\u2122,<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmerican jade\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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A misleading local name for massive vesuvianite or a rock containing mostly vesuvianite. Except that the material resembles jade, there is<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmazon jade\/stone\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Misleading commercial name for amazonite, a green variety of microcline, a mineral in the feldspar group. Amazonite has no relation to<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmetrine\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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An accepted name for a yellow-purple variety of quartz, the name being derived from the quartz varieties amethyst and citrine. According<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmechlorite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Unnecessary commercial name for amethyst with chlorite inclusions, by Judy Hall in her 3rd Crystal Guide1 introduced. Do you have a<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\"desiriet<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmphibole quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Trade name for certain quartz crystals with phantoms or inclusions of minerals from the amphibole group in various colors. Also called<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmmolite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
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Commercial name for the iridescent or “opalescent” outer surface of fossilized shell of ammonites, primarily from the Bearpaw Formation in southern<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
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\n\t\t\t\n\t\t\t\tAmorite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Trade name for ‘druzy’ quartz with chalcedony from Mexico. ‘Druzy’ means a top layer of very small crystals on a fracture<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tPineapple quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Fantasy name used as a synonym for cactus quartz, after its resemblance to a pineapple. Learn more about quartz growthforms? Take<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAnandalite\u2122\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Unregistered commercial name for natural quartz in which rainbow colors occur due to refraction of light on internal fracture surfaces. Other<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAndesine labradorite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Andesine is a natural mineral that, like labradorite, belongs to the feldspar group. Today the market offers gemstones made of andesine<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t15 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAncestralite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Unregistered commercial fancy name for a red with metallic colored banded rock. This is banded iron ore, also known as Banded<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAndean\/Andes marble\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Trade name used for over 25 years for hand-carved marble figurines from the Andes mountains, Peru. Mostly animal figures, but also<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t15 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"andamooka<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAndamooka (matrix) opal\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Andamooka (South Australia) is known for its light-colored opal, sometimes referred to as milk opal. Andamooka opal is also common as<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"blauwe<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAndean opal (blue and pink)\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for “common” opal originating in the Andes, specifically Peru. Therefore also called Peruvian (blue\/pink) opal. Available in the natural<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t15 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAndara\u2122 ‘crystals’\/obsidian\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

This is perhaps one of the biggest and most persistent hoax stories today. Often referred to by sellers as natural volcanic<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t9 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAngel quartz\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for cactus quartz. Learn more about quartz growthforms? Take the mini course!<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t15 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"a<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAngelite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Commercial name for a semi-transparent light blue-gray to blue-lilac anhydrite. Sold with this name is usually the solid form from Peru,<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t15 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAngelinite\u2122\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Unregistered commercial name for a white, crystalline opaque stone, possibly quartz or calcium carbonate (aragonite\/calcite), but its exact composition is not<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t15 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t
\n\t\t\t
\n\t\t\t\t
\"\"<\/div><\/a>\n\t\t\t\t
Gem or Scam? Library<\/div>\n\t\t\t\t
\n\t\t\trolf\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t

\n\t\t\t\n\t\t\t\tAnyolite\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t
\n\t\t\t

Local (trade) name for a stone better known as “ruby in zoisite. Named after the Masai word Anyole (= green). Anyolite<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t\tListen to episode \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t

\n\t\t\t\t\t\n\t\t\trolf\t\t<\/span>\n\t\t\t\t\n\t\t\t15 July 2025\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-231716","page","type-page","status-publish","hentry",""],"_links":{"self":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/pages\/231716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/comments?post=231716"}],"version-history":[{"count":4,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/pages\/231716\/revisions"}],"predecessor-version":[{"id":240307,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/pages\/231716\/revisions\/240307"}],"wp:attachment":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/media?parent=231716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}