Mineralogy Database

Kastningite Mineral Data

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General Kastningite Information

Help on Chemical  Formula: Chemical Formula: (Mn++,Fe++,Mg)Al2(PO4 )2(OH)2•8(H2O)
Help on Composition: Composition: Molecular Weight = 475.72 gm
   Magnesium    0.26 %  Mg    0.42 % MgO
   Manganese    7.51 %  Mn    9.69 % MnO
   Aluminum    11.34 %  Al   21.43 % Al2O3
   Iron         3.52 %  Fe    4.53 % FeO
   Phosphorus  13.02 %  P    29.84 % P2O5
   Hydrogen     3.81 %  H    34.08 % H2O
   Oxygen      60.54 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+0.65Fe2+0.3Mg0.05Al2(PO4)2(OH)2�8(H2O)
Help on Environment: Environment: Found in the aplitic zone of a zoned P-bearing granitic pegmatite exploited for feldspar for the ceramics industry. An alteration product of primary phosphates. Dimorphic relationsh ip with mangangordonite, and the Al-do
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Silbergrube quarry, Waidhaus, Upper Palatinate (Oberpf�lzer Wald), Bavaria, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after J�rgen Kastning (b. 1932), from Reinbeck bei Hamburg, Germany, amateur mineralogist specializing in phosphate minerals, who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Kastningite + Pronunciation Say KASTNINGITE
Help on Synonym: Synonym: ICSD 410793
  IMA1997-033