Paramelaconite

General Information:
 Chemical Formula:
Cu+2Cu++2O3
 Composition:
(Molecular Weight = 79.55 gm)
Copper 79.89 % Cu
Oxygen 20.11 % O 
 Empirical Formula:
CuO
 Locality:
Copper Queen mine, Bisbee, Arizona, USA.
Physical Properties:
 Cleavage:
None
 Color:
black.
 Density:
6.106
 Diaphaniety:
Opaque
 Hardness:
4.5 - Between Fluorite and Apatite
 Luminescence:
Non-fluorescent.
 Luster:
Adamantine
 Streak:
black
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