Found: 6
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Common opal from Argentina.
- Published in:
- Gems & Gemology, 2009, v. 45, n. 3, p. 220
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- Publication type:
- Article
A chalcedony-opal cameo with remarkable inclusions.
- Published in:
- Gems & Gemology, 2009, v. 45, n. 2, p. 143
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- Publication type:
- Article
"Red andesine" from China: Possible indication of diffusion treatment.
- Published in:
- Gems & Gemology, 2008, v. 44, n. 2, p. 166
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- Publication type:
- Article
Unusual glass imitation of rubellite.
- Published in:
- Gems & Gemology, 2008, v. 44, n. 2, p. 186
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- Publication type:
- Article
Tourmalines and their imitations obtained in Kandahar Afghanistan.
- Published in:
- Gems & Gemology, 2008, v. 44, n. 2, p. 187
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- Publication type:
- Article
Pezzottaite from Myanmar.
- Published in:
- Gems & Gemology, 2007, v. 43, n. 1, p. 70
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- Publication type:
- Article