Mineralogy Database

Brochantite Mineral Data

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General Brochantite Information

Help on Chemical  Formula: Chemical Formula: Cu4(SO4)(OH)6
Help on Composition: Composition: Molecular Weight = 452.29 gm
   Copper    56.20 %  Cu   70.35 % CuO
   Hydrogen   1.34 %  H    11.95 % H2O
   Sulfur     7.09 %  S    17.70 % SO3
   Oxygen    35.37 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu4(SO4)(OH)6
Help on Environment: Environment: Secondary, formed in arid climates or in rapidly oxidizing copper sulfide deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1824
Help on Locality: Locality: Chuquicamata, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French geologist and mineralogist, A. J. M. Brochant de Villiers (1772-1840).
Help on Name Pronunciation: Name Pronunciation: Brochantite + Pronunciation Say BROCHANTITE
Help on Synonym: Synonym: Blanchardite
  ICSD 64688
  PDF 43-1488