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0 item @ $0.00  

Wolframite with Apatite

#52441

Wolframite with Apatite

#52441
Availability
Sold
Size
8.5 x 5 x 3 cm - Sm Cabinet 
Formula
(Fe2+, Mn2+)WO4 (RRUFF)
Locality
Carrock mine, Caldbeck Fells, Cumbria, England

Black bladed Wolframite crystals in Quartz.

Wolframite

Formula
(Fe,Mn)WO4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Lamellar, Massive - Granular 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
brownish black, iron black 
Streak
reddish brown 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4.5 

Data courtesy of Webmineral.

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