Mineralogy Database

Nanpingite Mineral Data

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General Nanpingite Information

Help on Chemical Formula: Chemical Formula: Cs(Al,Mg,Fe++,Li)2(Si3Al)O10(OH,F)2
Help on Composition: Composition: Molecular Weight = 487.97 gm
   Cesium     24.51 %  Cs   25.99 % Cs2O
   Lithium     0.28 %  Li    0.61 % Li2O
   Magnesium   1.00 %  Mg    1.65 % MgO
   Aluminum   13.27 %  Al   25.07 % Al2O3
   Iron        2.29 %  Fe    2.94 % FeO
   Silicon    18.42 %  Si   39.40 % SiO2
   Hydrogen    0.37 %  H     3.32 % H2O
   Oxygen     38.69 %  O
   Fluorine    1.17 %  F     1.17 % F
                -   %   F    -0.49 % -O=F2    
             ______        ______ 
             100.00 %       99.67 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cs0.9Al1.6Mg0.2Fe2+0.2Li0.2Si3.2Al0.8O10(OH)1.8F0.3
Help on Environment: Environment: Veinlets in a pollucite-rich middle zone of a muscovite-albite-spodumene pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1990
Help on Locality: Locality: Nanping area, Fukien Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Nanpingite + Pronunciation Say NANPINGITE