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Kvanefjeldite Mineral Data
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General Kvanefjeldite Information
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 Chemical Formula: |
Na4(Ca,Mn)Si6O14(OH)2 |
| Composition: |
Molecular Weight = 562.27 gm |
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Sodium 16.35 % Na 22.05 % Na2O |
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Calcium 5.35 % Ca 7.48 % CaO |
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Manganese 2.44 % Mn 3.15 % MnO |
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Silicon 29.97 % Si 64.12 % SiO2 |
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Hydrogen 0.36 % H 3.20 % H2O |
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Oxygen 45.53 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na4Ca0.75Mn2+0.25Si6O14(OH)2 |
| Environment: |
As patches, streaks, and veinlets cutting arfvedsonite-bearing nepheline syenite; probably of late-stage hydrothermal origin. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
On the Kvanefjeld Plateau, in the Ilimaussaq intrusion, southern Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality, which is Danish for the mountain where the angelica grows. |
| Name Pronunciation: |
Kvanefjeldite + Pronunciation  |
| Synonym: |
ICSD 31260 |
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PDF 37-4330 |
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