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Motukoreaite Mineral Data
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General Motukoreaite Information
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Chemical Formula: |
Na2Mg38Al24(CO3)13(SO4)8(OH)108•56(H2O) |
Composition: |
Molecular Weight = 6,011.40 gm |
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Sodium 0.76 % Na 1.03 % Na2O |
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Magnesium 15.36 % Mg 25.48 % MgO |
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Aluminum 10.77 % Al 20.35 % Al2O3 |
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Hydrogen 3.69 % H 32.97 % H2O |
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Carbon 2.60 % C 9.52 % CO2 |
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Sulfur 4.27 % S 10.65 % SO3 |
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Oxygen 62.55 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na2Mg38Al24(CO3)13(SO4)8(OH)108•56(H2O) |
Environment: |
Rim cement in volcanic breccias in weathered submarine environments. |
IMA Status: |
Approved IMA 1977 |
Locality: |
Brown's Island, (Motukorea) within Waitemata Harbor, New Zealand. Link to MinDat.org Location Data. |
Name Origin: |
Named for the Maori name for the locality (Motukorea - "island of the cormorants."). |
Name Pronunciation: |
Motukoreaite + Pronunciation |
Synonym: |
ICSD 29523 |
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PDF 41-1380 |
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