Mineralogy Database

Maricopaite Mineral Data

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General Maricopaite Information

Help on Chemical  Formula: Chemical Formula: Pb7Ca2(Si,Al)48O100•32(H2O)
Help on Composition: Composition: Molecular Weight = 5,088.14 gm
   Calcium    1.73 %  Ca    2.42 % CaO
   Aluminum   6.15 %  Al   11.62 % Al2O3
   Silicon   20.09 %  Si   42.98 % SiO2
   Hydrogen   1.26 %  H    11.26 % H2O
   Lead      29.32 %  Pb   31.58 % PbO
   Oxygen    41.44 %  O
            ______        ______ 
            100.00 %       99.87 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb7.2Ca2.2Al11.6Si36.4O100•31.8(H2O)
Help on Environment: Environment: In a hydrothermal Pb-Cu ore vein, coating and filling fractures in quartz.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Moon Anchor mine, near Tonopah, Maricopa County, Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Maricopaite + Pronunciation Say MARICOPAITE
Help on Synonym: Synonym: ICSD 75278
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