Mineralogy Database

Majorite Mineral Data

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General Majorite Information

Help on Chemical  Formula: Chemical Formula: Mg3(Fe,Al,Si)2(SiO4)3
Help on Composition: Composition: Molecular Weight = 437.99 gm
   Magnesium  16.65 %  Mg   27.61 % MgO
   Aluminum    3.70 %  Al    6.98 % Al2O3
   Iron       15.30 %  Fe   21.88 % Fe2O3
   Silicon    20.52 %  Si   43.90 % SiO2
   Oxygen     43.84 %  O
             ______        ______ 
             100.00 %      100.37 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg3Fe3+1.2Al0.6Si0.2(SiO4)3
Help on Environment: Environment: Formed from low-calcium, high-aluminum pyroxene, olivine, and shock-induced glass, by high-pressure impact metamorphism in bolides.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: In the Coorara, Catherwood, Pampa del Infierno, Tenham, and Peace River chondritic meteorites. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Alan Major, who assisted A.E. Ringwood in the high-pressure synthesis of garnet from pyroxene.
Help on Name Pronunciation: Name Pronunciation: Majorite Say MAJORITE
Help on Synonym: Synonym: ICSD 27373
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