Mineralogy Database

Bustamite Mineral Data

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General Bustamite Information

Help on Chemical  Formula: Chemical Formula: (Mn,Ca)3Si3O9
Help on Composition: Composition: Molecular Weight = 381.92 gm
   Calcium     7.87 %  Ca   11.01 % CaO
   Manganese  32.37 %  Mn   41.79 % MnO
   Silicon    22.06 %  Si   47.20 % SiO2
   Oxygen     37.70 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+2.25Ca0.75Si3O9
Help on Environment: Environment: In manganese ores formed by metamorphism of manganese-bearing sediments with attendant metasomatism.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1826
Help on Locality: Locality: "Type" material, from Tetela de Ocampo, Hidalgo, Mexico, is a mixture. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For General Anastasio Bustamente (1780-1853), of Mexico.
Help on Name Pronunciation: Name Pronunciation: Bustamite + Pronunciation Say BUSTAMITE
Help on Synonym: Synonym: ICSD 34164
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