Name:

brochantite

A photo of the mineral brochantite

Class:

Sulfosalts

Chemistry:

Cu4(SO4)6 H2O

Color(s):

green, black-green

Hardness:

3.5-4

SpecGrav:

4.0

Fracture:

uneven

Cleavage:

perfect one direction

Crystal:

monoclinic; prismatic or acicular, sometimes tabular

Envronment:

alteration mineral in hydrothermal replacement deposits

Association:

malachite, azurite, atacamite,cyanotrichitechalcopyrite

Locals:

USSR / Romania / Italy / Spain / Az, NM, USA/ Chile

Misc:

named after A. T. M. Brochant, mineralogist (1731-1840). This mineral is often made in the lab on a host rock and is counterfited.

Photos
& Locals:

1.) Mex-Tex mine, Bingham, New Mexico
2.) Mex-Tex mine, Bingham, New Mexico
3.) Mex-Tex mine, Bingham, New Mexico

4.) Mex-Tex mine, Bingham, New Mexico

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