Mineralogy Database

Graftonite Mineral Data

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General Graftonite Information

Help on Chemical Formula: Chemical Formula: (Fe++,Mn,Ca)3(PO4)2
Help on Composition: Composition: Molecular Weight = 351.93 gm
   Calcium      3.42 %  Ca    4.78 % CaO
   Manganese   14.05 %  Mn   18.14 % MnO
   Iron        28.56 %  Fe   36.75 % FeO
   Phosphorus  17.60 %  P    40.33 % P2O5
   Oxygen      36.37 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+1.8Mn2+0.9Ca0.3(PO4)2
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1900
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 Name Pronunciation: Name Pronunciation: Graftonite + Pronunciation Say GRAFTONITE
Help on Synonym: Synonym: ICSD 79905
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