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Gemstones, Minerals & Fossils
Gemstones and Minerals
Topaz, or not topaz. That is the question..?
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<blockquote data-quote="GallicProspector" data-source="post: 176083" data-attributes="member: 441"><p>Well the red arrows I've put on your pictures point to pretty obvious features in the stones.</p><p></p><p>For the rest, experience does also a lot.</p><p>At the beginning, I had trouble to spot dark sapphires in my sieve, now I would spot them easily, even a black one (doesn't fracture like a spinel). But experience takes time.</p><p></p><p>Also, do not forget that when you sieve, if you do your move properly, you gather all the heavy stuff in the middle.</p><p>So Topaz will be in the middle, nit quartz.</p><p></p><p>If you do not know how to shake your sieve to gather the heavies together, then you have a problem.</p></blockquote><p></p>
[QUOTE="GallicProspector, post: 176083, member: 441"] Well the red arrows I've put on your pictures point to pretty obvious features in the stones. For the rest, experience does also a lot. At the beginning, I had trouble to spot dark sapphires in my sieve, now I would spot them easily, even a black one (doesn't fracture like a spinel). But experience takes time. Also, do not forget that when you sieve, if you do your move properly, you gather all the heavy stuff in the middle. So Topaz will be in the middle, nit quartz. If you do not know how to shake your sieve to gather the heavies together, then you have a problem. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Topaz, or not topaz. That is the question..?
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