Mineralogy Database

Petterdite Mineral Data

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General Petterdite Information

Help on Chemical Formula: Chemical Formula: PbCr+++2(CO3)2(OH)4•H2O
Help on Composition: Composition: Molecular Weight = 510.01 gm
   Strontium   1.72 %  Sr    2.03 % SrO
   Aluminum    2.12 %  Al    4.00 % Al2O3
   Chromium   15.29 %  Cr   22.35 % Cr2O3
   Hydrogen    1.11 %  H     9.89 % H2O
   Lead       40.63 %  Pb   43.76 % PbO
   Carbon      4.95 %  C    18.12 % CO2
   Oxygen     34.19 %  O
             ______        ______ 
             100.00 %      100.16 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbSr0.1Cr1.5Al0.4(CO3)2.1(OH)3.6•(H2O)
Help on Environment: Environment: Supergene product associated with crocoite and anglesite ores. Cr-analogue of dundasite.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Red Lead mine in the Zeehan-Dundas region of northwestern Tasmania. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for amateur mineralogist William Frederick Petterd (1849-1910), an amateur collector who published several significant catalogues on the mineralogy of Tasmania.
Help on Synonym: Synonym: IMA1999-034