Mineralogy Database

Carboirite-VIII Mineral Data

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General Carboirite-VIII Information

Help on Chemical  Formula: Chemical Formula: Fe++(Al,Ge)2 O[(Ge,Si)O4](OH)2
Help on Composition: Composition: Molecular Weight = 292.20 gm
   Aluminum   16.62 %  Al   31.40 % Al2O3
   Iron       19.11 %  Fe   24.59 % FeO
   Silicon     2.88 %  Si    6.17 % SiO2
   Germanium  22.36 %  Ge   32.22 % GeO2
   Hydrogen    0.69 %  H     6.17 % H2O
   Oxygen     38.33 %  O
             ______        ______ 
             100.00 %      100.55 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Al1.8Ge0.2O(GeO4)0.7(SiO4)0.3(OH)2
Help on Environment: Environment: Found in sphalerite associated with Ge-bearing quartz.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Carboire, Ariege, central Pyrenees, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.