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www.mineralgallery.co.za Minerals F-J |
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Jeremejevite |
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Name
Jeremejevite
Chemistry
Al6B5O15(F,OH)3
Uses
Rare mineral specimen, occasionally used as a precious stone
Color
Pale blue-green, yellow-brown, yellowish white, white, bluish white, colorless
Hardness
7
Specific gravity
3.31
Crystals
Hexagonal
Accompanied by:
Apatite, Albite, Tourmaline
Fracture
Conchoidal
Luster
Vitreous
Cleavage
None
Streak
White
Similar to:
Beryl
Named after the Russian mineralogist, P. V. Jeremejev (1820-1899), who discovered it in 1883.
It's an oxide of Boron and Aluminum with Hydroxyl & Fluorine. Jeremejevite is an extremely rare mineral.
Localities Adun-Tchilon, Baikal, Soktujberg in Russia and Cape Cross, Erongo in Namibia.
