Mineralogy Database

Terskite Mineral Data

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General Terskite Information

Help on Chemical  Formula: Chemical Formula: Na4ZrSi6O15(OH)2•2(H2O)
Help on Composition: Composition: Molecular Weight = 646.98 gm
   Sodium     14.11 %  Na   19.02 % Na2O
   Zirconium  13.25 %  Zr   17.90 % ZrO2
   Manganese   0.34 %  Mn    0.44 % MnO
   Silicon    26.31 %  Si   56.28 % SiO2
   Hydrogen    0.71 %  H     6.38 % H2O
   Oxygen     45.28 %  O
             ______        ______ 
             100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na3.97Mn2+0.04Zr0.94Si6.06O16.02•2.29(H2O)
Help on Environment: Environment: In veins in pegmatites in alkalic massifs.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Mts. Alluaiv and Karnasurt, Lovozero massif, and on Mt. Rasvumchorr, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Tersk shore of the White Sea, southeastern Kola Peninsula, Russia.
Help on Name Pronunciation: Name Pronunciation: Terskite Say TERSKITE
Help on Synonym: Synonym: ICSD 39454
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