Mineralogy Database

Caichengyunite Mineral Data

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General Caichengyunite Information

Help on Chemical  Formula: Chemical Formula: Fe++3Al2(SO4)6•30(H2O)
Help on Composition: Composition: Molecular Weight = 1,345.76 gm
   Aluminum   4.39 %  Al    8.30 % Al2O3
   Iron      13.16 %  Fe   16.92 % FeO
   Hydrogen   4.43 %  H    39.62 % H2O
   Sulfur    14.30 %  S    35.70 % SO3
   Oxygen    63.72 %  O
            ______        ______ 
            100.00 %      100.54 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+3.17Al2.19(SO4)6•29.6(H2O)
Help on Environment: Environment: Forms on the underground walls of the mine.
Help on IMA Status: IMA Status: Not Submitted IMA 2004 (Dana # Added)
Help on Locality: Locality: Pb-Zn mine near the village of Longshu, Hiudong County, Sichuan Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Cai Chen Yung (1907-1982), Chinese geologist and teacher.