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Amethyst — specimens [gallery view] (Page 2)


A violet variety of quartz. The colour is caused by iron impurities in the 10s to 100s parts per million range.
Amethyst — specimen 0612
0612
Uruguay
Amethyst — specimen 0344
0344
Uruguay
Amethyst — specimen 0402
0402
no precise locality
Amethyst — specimen 0224
0224
Brazil
Amethyst — specimen 0368
0368
no precise locality
Amethyst — specimen 0091
0091
Zambia
Amethyst — specimen 0193
0193
no precise locality
Amethyst — specimen 0199
0199
no precise locality
Amethyst — specimen 0232
0232
no precise locality
Amethyst — specimen 0169
0169
Zambia

Amethyst — specimens — 31
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.