Name:

cornetite

A photo of the mineral cornetite

Class:

Phosphates/Arsenates/Vanadates

Chemistry:

Cu3(PO4)(OH)3

Color(s):

greenish-blue to dark blue

Hardness:

4.5

SpecGrav:

4.1

Fracture:

uneven

Cleavage:

none

Crystal:

Orthorhombic; short prismatic often somewhat rounded, sometimes radiating fibers

Envronment:

oxidation zones

Association:

malachite, pseudo malachite, brochanite

Locals:

Zaire |

Misc:

Photos
& Locals:

1.) Lubumbashi, Katanga Province, Congo
2.) Lubumbashi, Katanga Province, Congo

3.) Lubumbashi, Katanga Province, Congo
4.) Lubumbashi, Katanga Province, Congo

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