Mineralogy Database

Stewartite Mineral Data

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General Stewartite Information

Help on Chemical  Formula: Chemical Formula: Mn++Fe+++2(PO4)2(OH)2•8(H2O)
Help on Composition: Composition: Molecular Weight = 534.71 gm
   Manganese   10.27 %  Mn   13.27 % MnO
   Iron        20.89 %  Fe   29.87 % Fe2O3
   Phosphorus  11.59 %  P    26.55 % P2O5
   Hydrogen     3.39 %  H    30.32 % H2O
   Oxygen      53.86 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+Fe3+2(PO4)2(OH)2•8(H2O)
Help on Environment: Environment: Granitic lithia-bearing pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1912
Help on Locality: Locality: Stuart mine, Queen Mountains, Pala, San Diego Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's locality.
Help on Name Pronunciation: Name Pronunciation: Stewartite + Pronunciation Say STEWARTITE
Help on Synonym: Synonym: ICSD 6204
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