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Slavikite Mineral Data
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General Slavikite Information
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 Chemical Formula: |
NaMg2Fe+++5(SO4)7(OH)6•33(H2O) |
| Composition: |
Molecular Weight = 1,719.83 gm |
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Sodium 1.34 % Na 1.80 % Na2O |
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Magnesium 2.83 % Mg 4.69 % MgO |
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Iron 16.24 % Fe 23.21 % Fe2O3 |
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Hydrogen 4.22 % H 37.71 % H2O |
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Sulfur 13.05 % S 32.59 % SO3 |
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Oxygen 62.33 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaMg2Fe3+5(SO4)7(OH)6•33(H2O) |
| Environment: |
Formed as a weathering product of pyritic shales. Found with other acid (low pH) sulfates. |
| IMA Status: |
Valid Species (Pre-IMA) 1926 |
| Locality: |
Valachov Hill, near Skrivany, Bohemia, Czech Republic. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the Czech mineralogist, Frantisek Slavik (1876-1957). |
| Name Pronunciation: |
Slavikite + Pronunciation  |
| Synonym: |
ICSD 4303 |
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PDF 20-679 |
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