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0 item @ $0.00  

Holtite with Elbaite

#45749
SOLD
Holtite from Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Russia - 45749
Holtite from Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Russia - 45749

Holtite with Elbaite

#45749
Availability
Sold
Size
3 x 2.5 x 1 cm - Thumbnail 
Formula
(Al,Ta)7(Si,Sb)3(BO3)O12(O,OH)2.25 (RRUFF)
Locality
Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Russia
Tagged
pegmatite mineral

Greyish plates of fairly rare mineral with Elbaite. Holtite is a pegmatite mineral found in five localities worldwide. It comes with a Russian label.

Fluorescent

Holtite

Formula
(Al,Ta)7(Si,Sb)3(BO3)O12(O,OH)2.25 
Crystal System
Orthorhombic 
Crystal Habit
Blocky, Pseudo Hexagonal 
Cleavage
Distinct, None, None 
Luster
Vitreous - Resinous 
Color
beige white, brown, greenish, greenish brown, light brown white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
8.5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection
Special Info
Fluorescent
Mineralpedia
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On Dakota Matrix
Previously Sold Holtite
On Dakota Matrix
Other Available Holtite
WebMineral
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Mindat
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