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Potassic-chlorohastingsite Mineral Data
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General Potassic-chlorohastingsite Information
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 Chemical Formula: |
(K,Na)Ca2(Fe++,Mg)4Fe+++[Si6Al2O22](Cl,OH)2 |
| Composition: |
Molecular Weight = 994.80 gm |
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Potassium 2.36 % K 2.84 % K2O |
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Sodium 0.92 % Na 1.25 % Na2O |
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Calcium 8.06 % Ca 11.27 % CaO |
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Magnesium 2.44 % Mg 4.05 % MgO |
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Aluminum 5.42 % Al 10.25 % Al2O3 |
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Iron 22.46 % Fe 21.67 % FeO / 8.03 % Fe2O3 |
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Silicon 16.94 % Si 36.24 % SiO2 |
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Hydrogen 0.06 % H 0.54 % H2O |
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Chlorine 4.99 % Cl 4.99 % Cl |
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- %
Cl -1.13 % -O=Cl2 |
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Oxygen 36.35 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K0.6Na0.4Ca2Fe2+3MgFe3+(Si6Al2O22)Cl1.4(OH)0.6 |
| IMA Status: |
Approved IMA 1998 (Dana # Added) |
| Locality: |
Dasshkesan Co-Fe deposit, Azerbaidzhan. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its composition and for Hastings Co., Ontario, Canada.. |
| Synonym: |
Chlorohastingsite-K |
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Dashkesanite |
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