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Mineralpedia Details for Stromeyerite

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Stromeyerite

Stromeyerite

Formula
CuAgS 
Crystal System
Orthorhombic 
Crystal Habit
Granular, Massive, Pseudo Hexagonal 
Cleavage
None, None, None 
Luster
Metallic 
Color
blue gray, dark blue, dark steel gray, steel gray 
Streak
steel gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
2.5-3 
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Stromeyerite from Syndicate vein, Butte dist., Silver Bow Co., Montana, United States

Stromeyerite
            from Syndicate vein, Butte dist., Silver Bow Co., Montana, United States

A large rich ore specimen with a liberal dose of grey Stromeyerite in veins with Pyrite and Sphalerite. The specimen has been cut and polished on one side and shows the mineralization nicely. 

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