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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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<blockquote data-quote="Lefty" data-source="post: 421802" data-attributes="member: 2976"><p>Also found some ametrine there, a crystal that was very clearly part purple, part orange in actual colour, not just amethyst with iron staining in cracks. Very pale compared to the Brazillian stuff that has been enhanced by treatment and not faceting grade but over time I have found quartz crystals in a wide variety of colour shades there - all are quartz of course but I've found everything from completely colourless crystal, to amethyst varying from the bare slightest tint of Rose-de-France through to a deep Royal purple, light pinkish purple, magenta, smoky purple, smoky rannging from just barely coloured through to a deep bronze, brown.</p><p></p><p>I have a piece that I'm hoping to be able to cut a half colourless, half purple step cut from.</p><p></p><p>GR - is it correct that the quartz variety we call amethyst is coloured by iron while smoky quartz is coloured by alumium? Can a crystal contain both - because Ive seen plenty therethat sure look that way.</p></blockquote><p></p>
[QUOTE="Lefty, post: 421802, member: 2976"] Also found some ametrine there, a crystal that was very clearly part purple, part orange in actual colour, not just amethyst with iron staining in cracks. Very pale compared to the Brazillian stuff that has been enhanced by treatment and not faceting grade but over time I have found quartz crystals in a wide variety of colour shades there - all are quartz of course but I've found everything from completely colourless crystal, to amethyst varying from the bare slightest tint of Rose-de-France through to a deep Royal purple, light pinkish purple, magenta, smoky purple, smoky rannging from just barely coloured through to a deep bronze, brown. I have a piece that I'm hoping to be able to cut a half colourless, half purple step cut from. GR - is it correct that the quartz variety we call amethyst is coloured by iron while smoky quartz is coloured by alumium? Can a crystal contain both - because Ive seen plenty therethat sure look that way. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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