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Ankerite Mineral Data
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General Ankerite Information
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Chemical Formula: |
Ca(Fe++,Mg,Mn)(CO3)2 |
Composition: |
Molecular Weight = 206.39 gm |
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Calcium 19.42 % Ca 27.17 % CaO |
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Magnesium 3.53 % Mg 5.86 % MgO |
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Manganese 2.66 % Mn 3.44 % MnO |
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Iron 16.24 % Fe 20.89 % FeO |
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Carbon 11.64 % C 42.65 % CO2 |
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Oxygen 46.51 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
CaFe2+0.6Mg0.3Mn2+0.1(CO3)2 |
Environment: |
Common in ore-bearing rocks as a rock forming mineral (gangue). High Fe species are found in iron ores. |
IMA Status: |
Valid Species (Pre-IMA) 1825 |
Locality: |
Styrian Erzberg, Eisenerz, Styria, Austria Link to MinDat.org Location Data. |
Name Origin: |
Named after the Styrian (Austrian) mineralogist, Mathias Joseph Anker (1771-1843). |
Name Pronunciation: |
Ankerite |
Synonym: |
Brown Spar |
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ICSD 100417 |
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PDF 41-586 |
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