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Caryopilite Mineral Data
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General Caryopilite Information
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 Chemical Formula: |
(Mn++,Mg,Zn,Fe++)3(Si,As)2O510(OH,Cl)4 |
| Composition: |
Molecular Weight = 373.76 gm |
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Magnesium 3.25 % Mg 5.39 % MgO |
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Manganese 29.40 % Mn 37.96 % MnO |
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Zinc 5.25 % Zn 6.53 % ZnO |
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Iron 2.99 % Fe 3.84 % FeO |
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Silicon 13.53 % Si 28.94 % SiO2 |
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Arsenic 4.01 % As 5.29 % As2O3 |
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Hydrogen 0.97 % H 8.68 % H2O |
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Chlorine 3.79 % Cl 3.79 % Cl |
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- %
Cl -0.86 % -O=Cl2 |
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Oxygen 36.81 % O |
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______ ______ |
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100.00 % 99.57 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+2Mg0.5Zn0.3Fe2+0.2Si1.8As0.2O5(OH)3.6Cl0.4 |
| Environment: |
Forms as an alteration product of primary manganese silicates such as rhodonite. |
| IMA Status: |
Valid Species (Pre-IMA) 1889 |
| Locality: |
Harstig mine, Pajsberg, Varmland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "nut" and "felt," in allusion to its brown color and felted structure. |
| Name Pronunciation: |
Caryopilite + Pronunciation  |
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