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Ferberite

#49705
SOLD
Ferberite from Tazna mine, Cerro Tazna, Potosí, Bolivia - 49705
Ferberite from Tazna mine, Cerro Tazna, Potosí, Bolivia - 49705

Ferberite

#49705
Availability
Sold
Size
3 x 2.5 x 3 cm - Thumbnail 
Formula
Fe2+WO4 (RRUFF)
Locality
Tazna mine, Cerro Tazna, Potosí, Bolivia

A very nice group of black, shiny Ferberite crystals. All sides of what you see are faces of several crystals. There is one side which shows the detachment point. Tazna has produced many exceptional Ferberite crystals, but they are seldom seen on the market.

Ferberite

Formula
Fe2+WO4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Lamellar, Massive - Granular 
Cleavage
Perfect, Parting, Parting 
Luster
Sub Metallic 
Color
black 
Streak
brownish black 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
4.5 

Data courtesy of Webmineral.

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