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Gemstones, Minerals & Fossils
Gemstones and Minerals
Faceting
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<blockquote data-quote="LONEWOLF" data-source="post: 379072" data-attributes="member: 6309"><p>Most 'Citrine' is heat treated low grade Amethyst Too... Most of the Heat treatment is done under Controlled Conditions... and the 'stone' is allowed to cool over several days... very hard to do at home... I have 'heated' some Mangano Calcite in an oven to 'improve' its Fluorescence.... 400deg for a few hours and let cool in the oven till the next day... Worked a treat.. Haven't tried an Oxy tho... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p> LW....</p></blockquote><p></p>
[QUOTE="LONEWOLF, post: 379072, member: 6309"] Most 'Citrine' is heat treated low grade Amethyst Too... Most of the Heat treatment is done under Controlled Conditions... and the 'stone' is allowed to cool over several days... very hard to do at home... I have 'heated' some Mangano Calcite in an oven to 'improve' its Fluorescence.... 400deg for a few hours and let cool in the oven till the next day... Worked a treat.. Haven't tried an Oxy tho... :) LW.... [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Faceting
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