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0 item @ $0.00  

Chalcostibite with Tetrahedrite

#CL62649

Chalcostibite with Tetrahedrite

#CL62649
Availability
Available
Price
$95.00
Size
7 x 6 x 3.5 cm - Sm Cabinet 
Reduced Price
$50.00
Formula
CuSbS2 (RRUFF)
Locality
Cavnic, Maramures Co., Romania
Tagged
sulfide , copper

Dark grey, bladed crystals to about 1mm intergrown with acicular Boulangerite, Tetrahedrite, and Chalcopyrite. There are numerous crystals of Chalcostibite, but all at angles I could not photograph well. Generally the Chalcopyrite occurs as divergent, free-standing groups and always with the other sulfides mentioned. Of course all of the white crystals are needle Quartz.

Chalcostibite

Formula
CuSbS2 
Crystal System
Orthorhombic 
Crystal Habit
Euhedral Crystals, Massive - Granular 
Cleavage
Good, None, None 
Luster
Metallic 
Color
lead gray, blue gray, dark gray 
Streak
black 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 

Data courtesy of Webmineral.

Collection
Chet S. Lemanski, Jr. Collection

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