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Smoky quartz — specimens [gallery view]


Smoky-grey, brown to black quartz coloured by Al-based and irradiation-induced colour centres.
Smoky quartz — specimen 0362
0362
Brazil
Smoky quartz — specimen 0674
0674
Brazil
Smoky quartz — specimen 0251
0251
no precise locality
Smoky quartz — specimen 0682
0682
Brazil
Smoky quartz — specimen 0202
0202
Brazil
Smoky quartz — specimen 0204
0204
no precise locality
Smoky quartz — specimen 0350
0350
no precise locality
Smoky quartz — specimen 0359
0359
Brazil
Smoky quartz — specimen 0401
0401
Brazil
Smoky quartz — specimen 0719
0719
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.