Mineralogy Database

Tremolite Mineral Data

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General Tremolite Information

Help on Chemical Formula: Chemical Formula: [ ]Ca2Mg5Si8O22(OH)2
Help on Composition: Composition: Molecular Weight = 812.37 gm
   Calcium     9.87 %  Ca   13.81 % CaO
   Magnesium  14.96 %  Mg   24.81 % MgO
   Silicon    27.66 %  Si   59.17 % SiO2
   Hydrogen    0.25 %  H     2.22 % H2O
   Oxygen     47.27 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Mg5(Si8O22)(OH)2
Help on Environment: Environment: Contact metamorphism of Ca rich rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1790
Help on Locality: Locality: Tremola Valley, Alps. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Tremolite + Pronunciation Say TREMOLITE
Help on Synonym: Synonym: ICSD 30126
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