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