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Covellite

#AH53378
SOLD
Covellite from Golconda vein, Summitville dist., Rio Grande Co., Colorado, United States - AH53378
Covellite from Golconda vein, Summitville dist., Rio Grande Co., Colorado, United States - AH53378

Covellite

#AH53378
Availability
Sold
Size
4.5 x 4 x 2.5 cm - Miniature 
Formula
CuS (RRUFF)
Locality
Golconda vein, Summitville dist., Rio Grande Co., Colorado, United States
Tagged
sulfide , copper

The specimen dates back to 1968, when it was obtained by Hampson. The specimen contains nothing but Covellite in 2cm thin plates in no particular orientation.

Covellite occurs in the zone of secondary enrichment. It is actually rare in most Colorado districts. At Summitville, it is the most abundant secondary copper minerals. Reports show that solid masses up to 6 inches thick were found in the Golconda vein.

Covellite

Formula
CuS 
Crystal System
Hexagonal 
Crystal Habit
Platy, Foliated 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
indigo blue, light blue, dark blue, black 
Streak
black gray 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
1.5-2 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection
Mineralpedia
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