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Mazzite-Mg Mineral Data
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General Mazzite-Mg Information
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 Chemical Formula: |
K2CaMg2(Al,Si)36O72•28(H2O) |
| Composition: |
Molecular Weight = 2,808.04 gm |
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Potassium 2.65 % K 3.19 % K2O |
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Calcium 2.00 % Ca 2.80 % CaO |
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Magnesium 1.73 % Mg 2.87 % MgO |
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Aluminum 9.42 % Al 17.79 % Al2O3 |
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Silicon 26.50 % Si 56.70 % SiO2 |
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Hydrogen 1.87 % H 16.68 % H2O |
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Oxygen 55.84 % O |
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______ ______ |
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100.00 % 100.03 % = TOTAL OXIDE |
| Empirical Formula: |
K1.9Ca1.4Mg2Si26.5Al9.8O72•26(H2O) |
| Environment: |
In cavities in a porphyritic olivine basalt. Renamed from mazzite to massite-Mg with the publication of mazzite-Na. |
| IMA Status: |
Approved IMA 1974 |
| Locality: |
On Mont Semiol (Mont Semiouse), near Montbrison, Loire, France. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Prof. Fiorenzo Mazzi, mineralogist, University of Pavia, Pavia, Italy. |
| Name Pronunciation: |
Mazzite-Mg  |
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