Mineralogy Database

Eifelite Mineral Data

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General Eifelite Information

Help on Chemical  Formula: Chemical Formula: KNa3Mg4Si12O30
Help on Composition: Composition: Molecular Weight = 1,022.30 gm
   Potassium   3.82 %  K     4.61 % K2O
   Sodium      6.75 %  Na    9.09 % Na2O
   Magnesium   9.51 %  Mg   15.77 % MgO
   Silicon    32.97 %  Si   70.53 % SiO2
   Oxygen     46.95 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KNa3Mg4Si12O30
Help on Environment: Environment: In vesicles in contact metamorphosed basement gneiss xenoliths in leucite tephrite. Forms a series with roedderite.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: From the Bellerberg volcano, two km north of Mayen, Eifel district, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Eifelite Say EIFELITE
Help on Synonym: Synonym: ICSD 23373
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