Mineralogy Database

Cordierite Mineral Data

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General Cordierite Information

Help on Chemical  Formula: Chemical Formula: Mg2Al4Si5O18
Help on Composition: Composition: Molecular Weight = 584.95 gm
   Magnesium   8.31 %  Mg   13.78 % MgO
   Aluminum   18.45 %  Al   34.86 % Al2O3
   Silicon    24.01 %  Si   51.36 % SiO2
   Oxygen     49.23 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg2Al4Si5O18
Help on Environment: Environment: Magmatic, metamorphic, and pegmatitic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1813
Help on Locality: Locality: Bodenmais, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the French mining engineer and geologist P. L. A. Cordier (1777-1861).
Help on Name Pronunciation: Name Pronunciation: Cordierite + Pronunciation Say CORDIERITE
Help on Synonym: Synonym: Dichroite
  ICSD 100250
  Iolite
  PDF 12-303