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Nikischerite Mineral Data
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General Nikischerite Information
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Chemical Formula: |
NaFe++6Al3(SO4)2(OH)18(H2O)12 |
Composition: |
Molecular Weight = 1,165.46 gm |
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Sodium 1.78 % Na 2.39 % Na2O |
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Aluminum 6.95 % Al 13.12 % Al2O3 |
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Iron 31.63 % Fe 40.69 % FeO |
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Hydrogen 3.63 % H 32.46 % H2O |
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Sulfur 4.95 % S 12.37 % SO3 |
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Oxygen 51.07 % O |
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______ ______ |
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100.00 % 101.03 % = TOTAL OXIDE |
Empirical Formula: |
Na0.9Fe2+6.6Al3(SO4)1.8(OH)18(H2O)12 |
Environment: |
Secondary mineral formed from oxidizing sulfide deposits. |
IMA Status: |
Approved IMA 2001 (Dana # Added) |
Locality: |
Huanuni Tin Mine, Dalence Province, Oruro Department, Bolivia. Link to MinDat.org Location Data. |
Name Origin: |
Named for Anthony (Tony) J. Nikischer (1949-), geologist (Excalibur Minerals) who discovered the mineral. |
Name Pronunciation: |
Nikischerite |
Synonym: |
IMA2001-039 |
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