Chemical Formula: (Fe++,Mn,Ca)3(PO4)2
Help on Composition: Composition: Molecular Weight = 351.93 g
 
Oxygen 36.37 % O 0.00 % 0.00 %
Phosphorus 17.60 % P 40.33 % P2O5 0.00 %
Calcium 3.42 % Ca 4.78 % CaO 0.00 %
Manganese 14.05 % Mn 18.14 % MnO 0.00 %
Iron 28.56 % Fe 36.75 % FeO 0.00 %
100.00 % 100.00 %
 
Help on Empirical Formula: Empirical Formula: Fe2+1.8Mn2+0.9Ca0.3(PO4)2
Help on Environment: Environment:
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality at Grafton, New Hampshire, USA
Help on Synonym: Synonym: