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Ferberite

#AH51833

Ferberite

#AH51833
Availability
Sold
Size
8 x 8 x 3 cm - Sm Cabinet 
Formula
Fe2+WO4 (RRUFF)
Locality
Silver Bell mine, Tunnel No. 6, Ophir dist., San Miguel Co., Colorado, United States
Tagged
tungsten

A good reference specimen from this important Colorado district in the San Juan Mountains. This specimen contains striated black blades of Ferberite from 1 to 4mm in brecciated matrix. Collected in 1962 by Arnold Hampson.

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.

Collection
Arnold G Hampson Collection
Mineralpedia
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