Mineralogy Database

Matulaite Mineral Data

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General Matulaite Information

Help on Chemical  Formula: Chemical Formula: CaAl18(PO4)12(OH)20•28(H2O)
Help on Composition: Composition: Molecular Weight = 2,509.98 gm
   Calcium      1.60 %  Ca    2.23 % CaO
   Aluminum    19.35 %  Al   36.56 % Al2O3
   Phosphorus  14.81 %  P    33.93 % P2O5
   Hydrogen     3.05 %  H    27.27 % H2O
   Oxygen      61.19 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaAl18(PO4)12(OH)20•28(H2O)
Help on Environment: Environment: An uncommon secondary mineral in the oxidized zone of phosphatic iron deposits.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Bachman iron mine, Hellertown, Northampton Co., and at General Trimbleďż˝s mine, Chester Co., Pennsylvania, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Margaret Mary Matula (1925- ), Allentown, Pennsylvania, USA, who supplied some of the first specimens.
Help on Name Pronunciation: Name Pronunciation: Matulaite + Pronunciation Say MATULAITE