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Tunisite Mineral Data
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General Tunisite Information
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 Chemical Formula: |
NaCa2Al4(CO3)4(OH)8Cl |
| Composition: |
Molecular Weight = 622.62 gm |
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Sodium 3.69 % Na 4.98 % Na2O |
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Calcium 12.87 % Ca 18.01 % CaO |
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Aluminum 17.33 % Al 32.75 % Al2O3 |
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Hydrogen 1.30 % H 11.57 % H2O |
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Carbon 7.72 % C 28.27 % CO2 |
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Chlorine 5.69 % Cl 5.69 % Cl |
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- %
Cl -1.28 % -O=Cl2 |
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Oxygen 51.39 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaCa2Al4(CO3)4(OH)8Cl |
| Environment: |
Hydrothermal mineral, filling cavities in calcite. |
| IMA Status: |
Approved IMA 1969 |
| Locality: |
Sakiet Sidi Yousseff Pb-Zn mine, between Le Kef and Souk Ahras, Tunisia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Tunisite  |
| Synonym: |
ICSD 100720 |
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PDF 27-1001 |
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