Emerald Mines in India
Emerald Mines in India Emerald in India Emerald, the most valuable of all precious stones, is a transparent variety of beryl (3 BeO.Al2O3.6SiO2) with the well-known emerald-green colour. Other gemstone varieties of beryl are aquamarine, the sea-green and bluish stones; yellow beryl or heliodor, the yellow variety; aquamarine chryolite, the yellowish-green variety; the…
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