Mineralogy Database

Ohmilite Mineral Data

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General Ohmilite Information

Help on Chemical  Formula: Chemical Formula: Sr3(Ti,Fe+++)(Si2O6)2(O,OH)•2-3(H2O)
Help on Composition: Composition: Molecular Weight = 678.36 gm
   Strontium  38.75 %  Sr   45.83 % SrO
   Titanium    5.29 %  Ti    8.83 % TiO2
   Iron        2.06 %  Fe    2.94 % Fe2O3
   Silicon    16.56 %  Si   35.43 % SiO2
   Hydrogen    0.78 %  H     6.97 % H2O
   Oxygen     36.56 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sr3Ti0.75Fe3+0.25Si4O12.75(OH)0.25•2.5(H2O)
Help on Environment: Environment: In an amphibolite-quartz-albitite dike cutting serpentinite.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: From Ohmi, Niigata Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Ohmilite Say OHMILITE
Help on Synonym: Synonym: ICSD 31213
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