Mineralogy Database

Motukoreaite Mineral Data

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General Motukoreaite Information

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