Mineralogy Database

Denisovite Mineral Data

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General Denisovite Information

Help on Chemical  Formula: Chemical Formula: (K,Na)Ca2Si3O8(F,OH)
Help on Composition: Composition: Molecular Weight = 345.98 gm
   Potassium   8.48 %  K    10.21 % K2O
   Sodium      1.66 %  Na    2.24 % Na2O
   Calcium    23.17 %  Ca   32.42 % CaO
   Silicon    24.35 %  Si   52.10 % SiO2
   Hydrogen    0.07 %  H     0.65 % H2O
   Oxygen     38.15 %  O
   Fluorine    4.12 %  F     4.12 % F
                -   %   F    -1.73 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.75Na0.25Ca2Si3O8F0.75(OH)0.25
Help on Environment: Environment: In nepheline syenite in a di´┐Żerentiated alkalic massif.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Mts. Eveslogchorr and Yukspor, Khibiny massif, Kola Peninsula, and in the Murun massif, southwest of Olekminsk, Yakutia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Aleksander Petrovich Denisov (1918-1972), Russian specialist in X-ray investigations of minerals, of the Kola Scientific Center, Russia.
Help on Name Pronunciation: Name Pronunciation: Denisovite + Pronunciation Say DENISOVITE