Mineralogy Database

Julgoldite-(Fe++) Mineral Data

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General Julgoldite-(Fe++) Information

Help on Chemical  Formula: Chemical Formula: Ca2Fe++(Fe+++,Al)2(SiO4)(Si2O7)(OH)2•(H2O)
Help on Composition: Composition: Molecular Weight = 545.54 gm
   Calcium   14.69 %  Ca   20.56 % CaO
   Aluminum   2.47 %  Al    4.67 % Al2O3
   Iron      25.59 %  Fe   13.17 % FeO / 21.95 % Fe2O3
   Silicon   15.44 %  Si   33.04 % SiO2
   Hydrogen   0.74 %  H     6.60 % H2O
   Oxygen    41.06 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe2+Fe3+1.5Al0.5(SiO4)(Si2O7)(OH)2�(H2O)
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1971 by Moore for Julian Royce Goldsmith (1918-), American geochemist, University of Chicago.
Help on Name Pronunciation: Name Pronunciation: Julgoldite-(Fe++) + Pronunciation Say JULGOLDITE-(FE++)