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Poudretteite Mineral Data
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General Poudretteite Information
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Chemical Formula: |
KNa2B3Si12O30 |
Composition: |
Molecular Weight = 912.90 gm |
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Potassium 4.28 % K 5.16 % K2O |
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Sodium 5.04 % Na 6.79 % Na2O |
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Silicon 36.92 % Si 78.98 % SiO2 |
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Boron 1.18 % B 3.81 % B2O3 |
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Oxygen 52.58 % O |
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______ ______ |
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100.00 % 94.74 % = TOTAL OXIDE |
Empirical Formula: |
KNa2BSi12O30 |
Environment: |
In marble xenoliths within nepheline syenite breccias in an intrusive alkalic gabbro-syenite complex. |
IMA Status: |
Approved IMA 1987 |
Locality: |
From Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data. |
Name Origin: |
Named for the Poudrette family, operators of the quarry where type material was discovered. |
Name Pronunciation: |
Poudretteite + Pronunciation |
Synonym: |
IMA1986-028 |
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