Mineralogy Database

Ferromerrillite Mineral Data

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General Ferromerrillite Information

Help on Chemical Formula: Chemical Formula: Ca9NaFe(PO4)7
Help on Composition: Composition: Molecular Weight = 1,095.41 gm
   Sodium       1.09 %  Na    1.47 % Na2O
   Calcium     33.29 %  Ca   46.59 % CaO
   Magnesium    0.44 %  Mg    0.74 % MgO
   Manganese    0.35 %  Mn    0.45 % MnO
   Iron         4.13 %  Fe    5.31 % FeO
   Phosphorus  19.79 %  P    45.35 % P2O5
   Oxygen      40.90 %  O
              ______        ______ 
              100.00 %       99.91 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca9.1Na0.52Fe2+0.81Mg0.2Mn2+0.07(PO4)7
Help on Environment: Environment: Whitlockite group.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Shergotty meteorite, Gaya, Bihar, India. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Fe analog of merrillite.
Help on Synonym: Synonym: IMA2006-039
  Merrillite-Fe