Chalcopyrite

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Chalcopyrite
Trepča complex, Trepča valley, Kosovska Mitrovica, Kosovo

Item-No.: MIN5762
Price: 120.00 EUR 

Synonyms:  Chalkopyrite, Copper Pyrites, Cupropyrite, Towanite, Yellow Copper, Yellow Copper Ore, Yellow Pyrite
Classification:  Sulfides, Chalcopyrite Group
Chemical formula:  CuFeS2
Crystal system:  Tetragonal
Density (g/cm3):  4,1 - 4,3 measured, 4,18 calculated
Tenacity:  Brittle
Cleavage:  Poor/Indistinct,  indistinct on {011}, sometimes distinct
Fracture:  Irregular/Uneven
Hardness (Mohs):  3,5 - 4
Colour:  Brass yellow, often with an iridescent tarnish
Lustre:  Metallic
Streak:  Greenish black
Application:  A major ore of copper

 

 


 

 
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