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Chalcopyrite (CuFeS2)

chalcopyrite mineral specimen

Chalcopyrite is the most commonly found copper mineral and is the most important ore of copper. 

It gets its name because it has the same gold colour as pyrite. The surface of this mineral is often tarnished with a dark green, blue, purplish iridescent coat, earning it the name of peacock copper.

Data Panel: Iron Sulphide: Copper ore: Chalcopyrite
CuFeS2 Copper iron sulphide
colour

Brassy yellow, tarnishes to blue, green and purple

hardness
3.5-4
Crystal system
Tetragonal
Crystal habit
Tetrahedral
Lustre
Metallic
Streak
Dark green
Fracture
Conchoidal, brittle
Other characteristics
 
 
Photograph reproduced with the kind permission of the Geevor Archive

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Comment left by Sinjary on 2010-09-14 02:09:36

nice ..

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