Mineralogy Database

Tschermakite Mineral Data

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General Tschermakite Information

Help on Chemical  Formula: Chemical Formula: [ ]Ca2(Mg3AlFe+++)Si6Al2O22(OH)2
Help on Composition: Composition: Molecular Weight = 844.38 gm
   Calcium     9.49 %  Ca   13.28 % CaO
   Magnesium   8.64 %  Mg   14.32 % MgO
   Aluminum    9.59 %  Al   18.11 % Al2O3
   Iron        6.61 %  Fe    9.46 % Fe2O3
   Silicon    19.96 %  Si   42.69 % SiO2
   Hydrogen    0.24 %  H     2.13 % H2O
   Oxygen     45.48 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Mg3Al3Fe3+Si6O22(OH)2
Help on Environment: Environment: High grade metamorphic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1945
Help on Locality: Locality: Bamle, Norway Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist.
Help on Name Pronunciation: Name Pronunciation: Tschermakite + Pronunciation Say TSCHERMAKITE
Help on Synonym: Synonym: Aluminotschermakite