Chemical Formula: Fe++3Al4(PO4)4(OH)6·2(H2O)
Help on Composition: Composition: Molecular Weight = 793.43 g
 
Hydrogen 1.27 % H 11.35 % H2O 0.00 %
Oxygen 48.40 % O 0.00 % 0.00 %
Aluminum 13.60 % Al 25.70 % Al2O3 0.00 %
Phosphorus 15.62 % P 35.78 % P2O5 0.00 %
Iron 21.12 % Fe 27.17 % FeO 0.00 %


100.01 % 100.00 %
 
Help on Empirical Formula: Empirical Formula: Fe2+3Al4(PO4)4(OH)6·2(H2O)
Help on Environment: Environment: Phosphate ironstones. Forms a series with souzalite
Help on Locality: Locality: Rapid Creek and Big Fish area, Yukon Territory, Canada.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Donald Herbert Groman (1922-), University of Toronto, Canada
Help on Synonym: Synonym: