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1 item @ $25.00  
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Wolframite

#AH65767
SOLD
Wolframite from Silver Bell mine, Tunnel No. 6, Ophir dist., San Miguel Co., Colorado, United States - AH65767
Wolframite from Silver Bell mine, Tunnel No. 6, Ophir dist., San Miguel Co., Colorado, United States - AH65767

Wolframite

#AH65767
Availability
Sold
Size
9 x 6 x 5 cm - Sm Cabinet 
Formula
(Fe2+, Mn2+)WO4 (RRUFF)
Locality
Silver Bell mine, Tunnel No. 6, Ophir dist., San Miguel Co., Colorado, United States
Tagged
ore mineral , tungsten

Tiny bladed crystals of Wolframite, most probably Hubnerite.

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.

Collection
Arnold G Hampson Collection
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