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Tellurobismuthite with Calaverite

#65468
SOLD
Tellurobismuthite from Red Cloud mine, Boulder Co., Colorado, United States - 65468
Tellurobismuthite from Red Cloud mine, Boulder Co., Colorado, United States - 65468

Tellurobismuthite with Calaverite

#65468
Availability
Sold
Size
2.5 x 2.5 x 1.5 cm - Thumbnail 
Formula
Bi2Te3 (RRUFF)
Locality
Red Cloud mine, Boulder Co., Colorado, United States
Tagged
tellurium

Slender, silvery gold crystals of Calaverite in a mass flooded with silvery Tellurobismuthite.

Tellurobismuthite

Formula
Bi2Te3 
Crystal System
Trigonal 
Crystal Habit
Massive - Fibrous, Platy 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
pale gray 
Streak
lead gray 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Flexible 
Hardness
1.5-2 

Data courtesy of Webmineral.

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