Mineralogy Database

Angastonite Mineral Data

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General Angastonite Information

Help on Chemical Formula: Chemical Formula: CaMgAl2(PO4)2(OH)4?7H2O
Help on Composition: Composition: Molecular Weight = 502.43 gm
   Calcium      7.98 %  Ca   11.16 % CaO
   Magnesium    4.84 %  Mg    8.02 % MgO
   Aluminum    10.74 %  Al   20.29 % Al2O3
   Phosphorus  12.33 %  P    28.25 % P2O5
   Hydrogen     3.61 %  H    32.27 % H2O
   Oxygen      60.50 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMgAl2(PO4)2(OH)4•7(H2O)
Help on Environment: Environment: Penrice marble quarry. Related to the montgomeryite-group.
Help on IMA Status: IMA Status: Approved IMA 2008 (Dana # Added)
Help on Locality: Locality: Angaston, in the Mount Lofty Ranges, 100 km NNE of Adelaide, South Australia, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2008-008