Mineralogy Database

Keldyshite Mineral Data

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General Keldyshite Information

Help on Chemical Formula: Chemical Formula: Na2-xHxZrSi2O7•n(H2O)
Help on Composition: Composition: Molecular Weight = 330.41 gm
   Sodium     10.44 %  Na   14.07 % Na2O
   Zirconium  27.61 %  Zr   37.29 % ZrO2
   Silicon    17.00 %  Si   36.37 % SiO2
   Hydrogen    1.37 %  H    12.27 % H2O
   Oxygen     43.58 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na1.5H0.5ZrSi2O7•2(H2O)
Help on Environment: Environment: A primary mineral in foyaites composed of partly albitized microcline, nepheline, sodalite, aegirine, and alkali amphibole, in a di�erentiated alkalic massif.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Tavaiok and Angoundasiok Rivers and on Mt. Alluaiv, Lovozero massif, and at Tachtarvumchorr, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Mstislav Vsevolodovich Keldysh (1911-1978), Russian mathematician and President of the Academy of Sciences, Russia.
Help on Name Pronunciation: Name Pronunciation: Keldyshite + Pronunciation Say KELDYSHITE
Help on Synonym: Synonym: ICSD 20186
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