Mineralogy Database

Okayamalite Mineral Data

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General Okayamalite Information

Help on Chemical  Formula: Chemical Formula: Ca2B2SiO7
Help on Composition: Composition: Molecular Weight = 241.86 gm
   Calcium  33.14 %  Ca   46.37 % CaO
   Silicon  11.61 %  Si   24.84 % SiO2
   Boron     8.94 %  B    28.78 % B2O3
   Oxygen   46.31 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2B2SiO7
Help on Environment: Environment: The boron-dominant analogue of gehlenite. Skarn mineral probably formed by the desilication-dehydroxylation of datolite.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: The Fuka mine, Bicchu-cho, Okayama Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's locality.
Help on Name Pronunciation: Name Pronunciation: Okayamalite + Pronunciation Say OKAYAMALITE
Help on Synonym: Synonym: ICSD 89739