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Gemstones, Minerals & Fossils
Gemstones and Minerals
fluorescent gemstones
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<blockquote data-quote="Heatho" data-source="post: 294172" data-attributes="member: 487"><p>I am quite well aware of the spheres in opal and traces of Cr in ruby which give these gems their colour, it's also traces of iron in rubies from certain areas that stop them from flourescing. When I go out gold detecting with my mates from Lightning Ridge we sit around for hours after detecting talking about gemstones and minerals. <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>It's titanium and iron that make sapphires blue.</p><p></p><p>I'm not sure why so many opals flouresce either, it could very well be the bacteria that make it happen. Interesting theory that one. Maybe even some sort of mildly radioactive elememnts? Sort of like the way uranium glass flouresces?</p></blockquote><p></p>
[QUOTE="Heatho, post: 294172, member: 487"] I am quite well aware of the spheres in opal and traces of Cr in ruby which give these gems their colour, it's also traces of iron in rubies from certain areas that stop them from flourescing. When I go out gold detecting with my mates from Lightning Ridge we sit around for hours after detecting talking about gemstones and minerals. :) It's titanium and iron that make sapphires blue. I'm not sure why so many opals flouresce either, it could very well be the bacteria that make it happen. Interesting theory that one. Maybe even some sort of mildly radioactive elememnts? Sort of like the way uranium glass flouresces? [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
fluorescent gemstones
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