Mineralogy Database

Kokchetavite Mineral Data

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General Kokchetavite Information

Help on Chemical  Formula: Chemical Formula: KAlSi3O8
Help on Composition: Composition: Molecular Weight = 278.33 gm
   Potassium  14.05 %  K    16.92 % K2O
   Aluminum    9.69 %  Al   18.32 % Al2O3
   Silicon    30.27 %  Si   64.76 % SiO2
   Oxygen     45.99 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KAlSi3O8
Help on Environment: Environment: Micrometer-size inclusions in clinopyroxene and garnet in a garnet-pyroxene rock. Ultrahigh pressure metastable polymorph of K-feldspar.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Kumdy-Kul, Kokchetav, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2004-011