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Defernite Mineral Data
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General Defernite Information
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 Chemical Formula: |
Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5) |
| Composition: |
Molecular Weight = 521.80 gm |
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Calcium 46.08 % Ca 64.48 % CaO |
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Silicon 2.69 % Si 5.76 % SiO2 |
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Hydrogen 1.45 % H 12.95 % H2O |
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Carbon 3.45 % C 12.65 % CO2 |
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Chlorine 3.40 % Cl 3.40 % Cl |
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- %
Cl -0.77 % -O=Cl2 |
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Oxygen 42.93 % O |
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______ ______ |
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100.00 % 98.47 % = TOTAL OXIDE |
| Empirical Formula: |
Ca6(CO3)1.5(SiO4)0.5(OH)7.5Cl0.5 |
| Environment: |
Skarn at a granite-limestone contact |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
Gauneyce-Ikizdere area, Trabzon Province, Turkey. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Jacques Deferne, Curator of Mineralogy, Museum of Natural History, Geneva, Switzerland. |
| Name Pronunciation: |
Defernite + Pronunciation  |
| Synonym: |
ICSD 81638 |
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PDF 42-1324 |
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