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Ruby — specimens [gallery view]


A red, gem variety of corundum. The red colour is caused by minor amounts of trivalent chromium replacing aluminium in the crystal structure.
Ruby — specimen 0147
0147
Mozambique
Ruby — specimen 0318
0318
Myanmar
Ruby — specimen 0276
0276
Tanzania
Ruby — specimen 0629
0629
Tanzania
Ruby — specimen 0654
0654
East Africa

Ruby — specimens — 5
Page 1


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