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Gemstones, Minerals & Fossils
Gemstones and Minerals
Need help identifying a pink stone found at Nundle.
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<blockquote data-quote="Mr Magoo" data-source="post: 80124" data-attributes="member: 3008"><p>The fluorescence of ruby under UV does not identify a ruby as such or the exact location, but more identify the type of source the ruby came from.</p><p></p><p>A ruby that fluoresces under UV will contain chromium but have a low iron content. This is indicative that the ruby's came from a metamorphic deposit, marble. Burmese rubys are the main game players in this market.</p><p></p><p>Rubys that don't fluoresce under UV contain a higher amount of iron. The iron alters the effect of the UV so there fore do not appear to react with the UV in the same way. These rubys are born from the earth by volcanoes - "fire rubys". These are typical of the rubys from places such as Thailand Cambodia etc. </p><p></p><p>I hope this helps clear up the ruby and UV interaction. </p><p></p><p>BTW, I'm not a gem guru. I just happened to find the explanation on Gemologyonline shortly after reading this post and thought it rather interesting. It's under the beginners only section. Defiantly worth a read. Perhaps someone could put up the link.</p><p></p><p>Cheers.</p><p>Mr Magoo</p></blockquote><p></p>
[QUOTE="Mr Magoo, post: 80124, member: 3008"] The fluorescence of ruby under UV does not identify a ruby as such or the exact location, but more identify the type of source the ruby came from. A ruby that fluoresces under UV will contain chromium but have a low iron content. This is indicative that the ruby's came from a metamorphic deposit, marble. Burmese rubys are the main game players in this market. Rubys that don't fluoresce under UV contain a higher amount of iron. The iron alters the effect of the UV so there fore do not appear to react with the UV in the same way. These rubys are born from the earth by volcanoes - "fire rubys". These are typical of the rubys from places such as Thailand Cambodia etc. I hope this helps clear up the ruby and UV interaction. BTW, I'm not a gem guru. I just happened to find the explanation on Gemologyonline shortly after reading this post and thought it rather interesting. It's under the beginners only section. Defiantly worth a read. Perhaps someone could put up the link. Cheers. Mr Magoo [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Need help identifying a pink stone found at Nundle.
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