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Name: |
brochantite |
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Class: |
Sulfosalts |
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Chemistry: |
Cu4(SO4)€6 H2O |
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Color(s): |
green, black-green |
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Hardness: |
3.5-4 |
SpecGrav: |
4.0 |
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Fracture: |
uneven |
Cleavage: |
perfect one direction |
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Crystal: |
monoclinic; prismatic or acicular, sometimes tabular |
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Envronment: |
alteration mineral in hydrothermal replacement deposits |
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Association: |
malachite, azurite, atacamite,cyanotrichitechalcopyrite |
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Locals: |
USSR / Romania / Italy / Spain / Az, NM, USA/ Chile |
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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. |
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Photos |
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1.) Mex-Tex mine, Bingham, New Mexico |
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