Mineralogy Database

Bernalite Mineral Data

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General Bernalite Information

Help on Chemical  Formula: Chemical Formula: Fe(OH)3
Help on Composition: Composition: Molecular Weight = 108.14 gm
   Zinc       1.21 %  Zn    1.51 % ZnO
   Iron      45.96 %  Fe   65.71 % Fe2O3
   Silicon    1.82 %  Si    3.89 % SiO2
   Hydrogen   2.80 %  H    24.99 % H2O
   Lead       3.83 %  Pb    4.13 % PbO
   Oxygen    44.38 %  O
            ______        ______ 
            100.00 %      100.22 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+0.89Si0.07Pb0.02Zn0.02(OH)3
Help on Environment: Environment: On a museum specimen from a metamorphosed Pb-Zn deposit, probably from the surface oxidation zone.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: From the Proprietary mine, Broken Hill, New South Wales, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: To honor John Desmond Bernal (1901-1971), eminent British crystallographer and historian of science.
Help on Name Pronunciation: Name Pronunciation: Bernalite + Pronunciation Say BERNALITE
Help on Synonym: Synonym: ICSD 73441
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