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Hastingsite Mineral Data
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General Hastingsite Information
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Chemical Formula: |
NaCa2(Fe++4Fe+++)Si6Al2O22(OH)2 |
Composition: |
Molecular Weight = 990.86 gm |
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Sodium 2.32 % Na 3.13 % Na2O |
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Calcium 8.09 % Ca 11.32 % CaO |
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Aluminum 5.45 % Al 10.29 % Al2O3 |
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Iron 28.18 % Fe 29.00 % FeO / 8.06 % Fe2O3 |
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Silicon 17.01 % Si 36.38 % SiO2 |
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Hydrogen 0.20 % H 1.82 % H2O |
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Oxygen 38.75 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
NaCa2Fe2+4Fe3+(Si6Al2O22)(OH)2 |
Environment: |
Nepheline-syenite rocks. |
IMA Status: |
Valid Species (Pre-IMA) 1896 |
Locality: |
Dungannon, Hastings Co., Ontario, Canada. Link to MinDat.org Location Data. |
Name Origin: |
Named after its locality. |
Name Pronunciation: |
Hastingsite + Pronunciation |
Synonym: |
ICSD 200114 |
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PDF 20-378 |
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