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Copper

#AH65792
SOLD
Copper from Cashin mine, Montrose Co., Colorado, United States - AH65792
Copper from Cashin mine, Montrose Co., Colorado, United States - AH65792

Copper

#AH65792
Availability
Sold
Size
20 x 11 x 4 cm - Cabinet 
Formula
Cu (RRUFF)
Locality
Cashin mine, Montrose Co., Colorado, United States
Tagged
ore mineral , native element

A large specimen of about 50% Copper showing crude arborecent growth. According to Eckel 1961, USGS Bull. 1114 page 114 the Cashin mine produced masses of Copper. One Copper mass weighed 500 lbs.  The Copper at this mine was often associated Covellite, Chalcocite, Bornite, Cuprite, and native Silver. 

Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection
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