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Amethyst — specimens [gallery view]


A violet variety of quartz. The colour is caused by iron impurities in the 10s to 100s parts per million range.
Amethyst — specimen 0675
0675
no precise locality
Amethyst — specimen 0676
0676
no precise locality
Amethyst — specimen 0678
0678
no precise locality
Amethyst — specimen 0679
0679
no precise locality
Amethyst — specimen 0681
0681
no precise locality
Amethyst — specimen 0703
0703
no precise locality
Amethyst — specimen 0706
0706
no precise locality
Amethyst — specimen 0467
0467
no precise locality
Amethyst — specimen 0753
0753
Brazil
Amethyst — specimen 0085
0085
Uruguay

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.