Mineralogy Database

Rinkite Mineral Data

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General Rinkite Information

Help on Chemical  Formula: Chemical Formula: Na(Na,Ca)2(Ca,Ce)4(Ti,Nb)(Si2O7)2(O,F)2
Help on Composition: Composition: Molecular Weight = 820.37 gm
   Sodium     7.01 %  Na    9.44 % Na2O
   Calcium   19.54 %  Ca   27.34 % CaO
   Cerium    17.08 %  Ce   20.00 % Ce2O3
   Titanium   4.38 %  Ti    7.30 % TiO2
   Niobium    2.83 %  Nb    4.05 % Nb2O5
   Silicon   13.69 %  Si   29.30 % SiO2
   Oxygen    33.15 %  O
   Fluorine   2.32 %  F     2.32 % F
               -   %   F    -0.98 % -O=F2    
            ______        ______ 
            100.00 %       98.78 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2.5Ca4CeTi0.75Nb0.25(Si2O7)2O3F
Help on Environment: Environment: Mineral in sodalite-syenite rocks.
Help on IMA Status: IMA Status: Approved IMA 1995 (Dana # Added)
Help on Locality: Locality: Julianehaab district, Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after H. RINK, director of a Danesh-Greenlandic trade group.
Help on Name Pronunciation: Name Pronunciation: Rinkite Say RINKITE
Help on Synonym: Synonym: Rinkolite