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Gemstones, Minerals & Fossils
Gemstones and Minerals
Heat treating Cambodian zircon
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<blockquote data-quote="Pete&#039;s Pick" data-source="post: 464500" data-attributes="member: 13734"><p>Correct. Just that i got really impatient and couldn't wait so used what was at hand.</p><p></p><p>I will try more and yes, i suspect i read the same research suggesting 1400 deg C.</p><p></p><p>But i also read others suggesting 900 for two hours. And my furnace won't go to 1400 so i concocted a recipe. I am not unhappy at all. I was hoping for blue but this was a lot of fun and a lovely result.</p><p>The lustre is amazing. Started out greasy. But cut, exhibits real "fire" and brilliance, which gives it a shiny, freshly polished look. And it is very slippery in the hands, unlike any quartz, citrine or sapphire i have cut.</p></blockquote><p></p>
[QUOTE="Pete's Pick, post: 464500, member: 13734"] Correct. Just that i got really impatient and couldn't wait so used what was at hand. I will try more and yes, i suspect i read the same research suggesting 1400 deg C. But i also read others suggesting 900 for two hours. And my furnace won't go to 1400 so i concocted a recipe. I am not unhappy at all. I was hoping for blue but this was a lot of fun and a lovely result. The lustre is amazing. Started out greasy. But cut, exhibits real "fire" and brilliance, which gives it a shiny, freshly polished look. And it is very slippery in the hands, unlike any quartz, citrine or sapphire i have cut. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Heat treating Cambodian zircon
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