Mineralogy Database

Merrihueite Mineral Data

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General Merrihueite Information

Help on Chemical  Formula: Chemical Formula: (K,Na)2(Fe++,Mg)5Si12O30
Help on Composition: Composition: Molecular Weight = 1,126.96 gm
   Potassium   5.20 %  K     6.27 % K2O
   Sodium      1.02 %  Na    1.37 % Na2O
   Magnesium   2.70 %  Mg    4.47 % MgO
   Iron       18.58 %  Fe   23.91 % FeO
   Silicon    29.91 %  Si   63.98 % SiO2
   Oxygen     42.59 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.5Na0.5Fe2+3.75Mg1.25Si12O30
Help on Environment: Environment: Rare, in a few chondules of a chondrite, as inclusions in clinopyroxenes.
Help on IMA Status: IMA Status: Approved IMA 1965
Help on Locality: Locality: In the Mez´┐Żo-Madaras chondritic meteorite. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Craig M. Merrihue (?-1965), meteoriticist, of the Smithsonian Astrophysical Observatory, Cambridge, Massachusetts, USA.
Help on Name Pronunciation: Name Pronunciation: Merrihueite + Pronunciation Say MERRIHUEITE
Help on Synonym: Synonym: ICSD 2717
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