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Koenenite Mineral Data
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General Koenenite Information
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 Chemical Formula: |
Na4Mg4Cl12•Mg5Al4(OH)22 |
| Composition: |
Molecular Weight = 1,218.22 gm |
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Sodium 7.55 % Na 10.18 % Na2O |
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Magnesium 17.96 % Mg 29.78 % MgO |
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Aluminum 8.86 % Al 16.74 % Al2O3 |
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Hydrogen 1.82 % H 16.27 % H2O |
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Chlorine 34.92 % Cl 34.92 % Cl |
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- %
Cl -7.88 % -O=Cl2 |
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Oxygen 28.89 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na4Mg9Cl12Al4(OH)22 |
| Environment: |
Potash mine. |
| IMA Status: |
Valid Species (Pre-IMA) 1902 |
| Locality: |
Justus I near Volpriehausen, and elsewhere in Hannover, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Adolf von Koenen (1837-1915), German geologist of Gottingen, who first found the mineral. |
| Name Pronunciation: |
Koenenite + Pronunciation  |
| Synonym: |
ICSD 22305/6 |
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PDF 43-684 |
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