Mineralogy Database

Chondrodite Mineral Data

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General Chondrodite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Fe++)5(SiO4)2(F,OH)2
Help on Composition: Composition: Molecular Weight = 382.12 gm
   Magnesium  23.85 %  Mg   39.55 % MgO
   Iron       18.27 %  Fe   23.50 % FeO
   Silicon    14.70 %  Si   31.45 % SiO2
   Hydrogen    0.13 %  H     1.18 % H2O
   Oxygen     35.59 %  O
   Fluorine    7.46 %  F     7.46 % F
                -   %   F    -3.14 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg3.75Fe2+1.25(SiO4)2F1.5(OH)0.5
Help on Environment: Environment: Contact metamorphic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1817
Help on Locality: Locality: Wunsiedel and Passau, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek chondros - "grain."
Help on Name Pronunciation: Name Pronunciation: Chondrodite + Pronunciation Say CHONDRODITE
Help on Synonym: Synonym: Fluosiderite - F-rich chondrodite
  ICSD 15180
  PDF 12-527