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Chalcostibite

#BM39687

Chalcostibite

#BM39687
Availability
Sold
Size
4.5 x 2 x 1 cm - Miniature 
Formula
CuSbS2 (RRUFF)
Locality
Rhar el Anz, Cherrat Wadi, Casablanca, Morocco
Tagged
sulfide , copper

These minerals get around. This specimen I purchased several years ago from the Devon Polak collection acquired in Canada and then sold to Bill McConlogue in Washington. It is now back in South Dakota and will be going to some distant place I hope. It is a thick tabular, metallic grey crystal with surfacial alterations to Malachite and Azurite.

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
McConlogue Collection

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