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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="Heatho" data-source="post: 75726" data-attributes="member: 487"><p>It could be a Garnet or Tourmaline Twapster but I don't think so, pretty sure it's Pink Sapph/Ruby. That's why UV is a pretty good first test for Ruby, not many other gems will glow like that under UV. Even taking a Ruby out in the Sun will make it glow a bit due to the UV content of Sunlight. It's the Chromium that causes fluorescence. If Iron content is high in a Ruby fluorescence will be less or none at all.</p><p></p><p>Every Ruby I've seen fluoresces to some degree, some very strongly like the ones Barney has and others weakly like a small Ruby my friend has in a ring. I know that some don't but I have not seen 1 that doesn't yet. </p><p></p><p>I'm pretty sure the Peel and Nundle area are known to contain Rubies/Pink Sapphs also.</p></blockquote><p></p>
[QUOTE="Heatho, post: 75726, member: 487"] It could be a Garnet or Tourmaline Twapster but I don't think so, pretty sure it's Pink Sapph/Ruby. That's why UV is a pretty good first test for Ruby, not many other gems will glow like that under UV. Even taking a Ruby out in the Sun will make it glow a bit due to the UV content of Sunlight. It's the Chromium that causes fluorescence. If Iron content is high in a Ruby fluorescence will be less or none at all. Every Ruby I've seen fluoresces to some degree, some very strongly like the ones Barney has and others weakly like a small Ruby my friend has in a ring. I know that some don't but I have not seen 1 that doesn't yet. I'm pretty sure the Peel and Nundle area are known to contain Rubies/Pink Sapphs also. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Need help identifying a pink stone found at Nundle.
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