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Afghanite Mineral Data
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General Afghanite Information
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 Chemical Formula: |
(Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3•(H2O) |
| Composition: |
Molecular Weight = 1,200.45 gm |
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Potassium 2.28 % K 2.75 % K2O |
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Sodium 9.19 % Na 12.39 % Na2O |
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Calcium 11.69 % Ca 16.35 % CaO |
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Aluminum 13.26 % Al 25.06 % Al2O3 |
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Silicon 14.27 % Si 30.53 % SiO2 |
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Hydrogen 0.08 % H 0.75 % H2O |
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Carbon 0.10 % C 0.37 % CO2 |
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Sulfur 3.39 % S 8.47 % SO3 |
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Chlorine 4.58 % Cl 4.58 % Cl |
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- %
Cl -1.03 % -O=Cl2 |
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Oxygen 41.16 % O |
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______ ______ |
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100.00 % 100.21 % = TOTAL OXIDE |
| Empirical Formula: |
Na4.8Ca3.5K0.7Si6.1Al5.9O25(SO4)1.27Cl1.55(CO3)0.1�0.5(H2O) |
| Environment: |
Generally associated with sodalite-group minerals. |
| IMA Status: |
Approved IMA 1968 |
| Locality: |
Sar-e-Sang luzurite deposit in Afghanistan. Link to MinDat.org Location Data. |
| Name Origin: |
From its locality. |
| Name Pronunciation: |
Afghanite + Pronunciation  |
| Synonym: |
ICSD 66847 |
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PDF 46-1264 |
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