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Hollandite Mineral Data
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General Hollandite Information
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 Chemical Formula: |
Ba(Mn++++,Mn++)8O16 |
| Composition: |
Molecular Weight = 852.99 gm |
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Barium 12.88 % Ba 14.38 % BaO |
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Sodium 0.27 % Na 0.36 % Na2O |
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Manganese 42.51 % Mn 4.16 % MnO / 62.17 % MnO2 |
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Aluminum 0.63 % Al 1.20 % Al2O3 |
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Iron 8.51 % Fe 12.17 % Fe2O3 |
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Silicon 0.33 % Si 0.70 % SiO2 |
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Lead 4.86 % Pb 5.23 % PbO |
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Oxygen 30.01 % O |
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______ ______ |
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100.00 % 100.38 % = TOTAL OXIDE |
| Empirical Formula: |
Ba0.8Pb0.2Na0.1Mn4+6.1Fe3+1.3Mn2+0.5Al0.2Si0.1O16 |
| Environment: |
Primary mineral in contact metamorphism of manganese ores. |
| IMA Status: |
Valid Species (Pre-IMA) 1906 |
| Locality: |
Manganese deposits of the Central Provinces of India. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Thomas Henry Holland (1868-1947), Director of the Indian Geologic Survey. |
| Name Pronunciation: |
Hollandite + Pronunciation  |
| Synonym: |
ICSD 27240 |
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PDF 38-476 |
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