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Smoky quartz — specimens [gallery view] (Page 2)


Smoky-grey, brown to black quartz coloured by Al-based and irradiation-induced colour centres.
Morion — specimen 0135
0135
Brazil
Morion — specimen 0136
0136
Brazil

Smoky quartz — specimens — 12
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.