Mineralogy Database

Parvo-mangano-edenite Mineral Data

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General Parvo-mangano-edenite Information

Help on Chemical Formula: Chemical Formula: Na(CaMn)2Mg5(Si7Al)O22(OH)2
Help on Composition: Composition: Molecular Weight = 851.64 gm
   Potassium   0.09 %  K     0.11 % K2O
   Sodium      2.00 %  Na    2.69 % Na2O
   Calcium     5.98 %  Ca    8.36 % CaO
   Magnesium  12.87 %  Mg   21.34 % MgO
   Titanium    0.06 %  Ti    0.09 % TiO2
   Manganese   6.52 %  Mn    8.41 % MnO
   Aluminum    3.33 %  Al    6.29 % Al2O3
   Iron        0.52 %  Fe    0.42 % FeO /  0.28 % Fe2O3
   Silicon    23.32 %  Si   49.88 % SiO2
   Hydrogen    0.24 %  H     2.12 % H2O
   Oxygen     45.09 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.74K0.02Ca1.27Mn2+0.73Mg4.51Mn2+0.28Fe2+0.05Fe3+0.03Al0.12Ti0.01Si7.07Al0.93O22(OH)2
Help on Environment: Environment: Found in manganiferous pod in the Grenville marble of the Arnold open pit. Parvo-manganotremolite often occurs at the rims of parvo-mangano-edenite. Amphibole group
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Grenville Marble of the Arnold mine, Fowler, St. Lawrence Co., New York USA, Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Help on Synonym: Synonym: IMA2003-062
  Manganoan silicic edenite