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Copper - copper ore

#58549
SOLD
Copper from Keweenaw Co., Michigan, United States - 58549
Copper from Keweenaw Co., Michigan, United States - 58549

Copper - copper ore

#58549
Availability
Sold
Size
11 x 8 x 7 cm - Cabinet 
Formula
Cu (RRUFF)
Locality
Keweenaw Co., Michigan, United States
Tagged
ore specimen

Large heavy mass of native Copper in Quartz. There are no real crystals, but rather casts of Copper molded by the granular Quartz.

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
Chris van Laer Collection
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