Mineralogy Database

Nefedovite Mineral Data

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General Nefedovite Information

Help on Chemical Formula: Chemical Formula: Na5Ca4(PO4)4F
Help on Composition: Composition: Molecular Weight = 674.14 gm
   Sodium      17.05 %  Na   22.98 % Na2O
   Calcium     23.78 %  Ca   33.27 % CaO
   Phosphorus  18.38 %  P    42.11 % P2O5
   Oxygen      37.97 %  O
   Fluorine     2.82 %  F     2.82 % F
                 -   %   F    -1.19 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na5Ca4(PO4)4F
Help on Environment: Environment: Pegmatitic segregations in nepheline syenite in a differentiated alkalic massif.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Mt. Yukspor and from a drillcore in the Kuniok River valley, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Yevgeny I. Nefedov (1910-1976), Russian mineralogist, St. Petersburg, Russia, involved in the discovery of a number of Kola minerals.
Help on Name Pronunciation: Name Pronunciation: Nefedovite + Pronunciation Say NEFEDOVITE
Help on Synonym: Synonym: ICSD 20906
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