Mineralogy Database

Ellestadite-(F) Mineral Data

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General Ellestadite-(F) Information

Help on Chemical  Formula: Chemical Formula: Ca5(SiO4,PO4,SO4)3(F,OH,Cl)
Help on Composition: Composition: Molecular Weight = 503.55 gm
   Calcium     39.80 %  Ca   55.68 % CaO
   Silicon      5.58 %  Si   11.93 % SiO2
   Phosphorus   6.15 %  P    14.09 % P2O5
   Hydrogen     0.06 %  H     0.54 % H2O
   Sulfur       6.37 %  S    15.90 % SO3
   Chlorine     0.70 %  Cl    0.70 % Cl
                 -   %   Cl   -0.16 % -O=Cl2   
   Oxygen      39.08 %  O
   Fluorine     2.26 %  F     2.26 % F
                 -   %   F    -0.95 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5(SiO4)(PO4)(SO4)F0.6(OH)0.3Cl0.1
Help on Environment: Environment: Contact metamorphic skarn.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Crestmore, Riverside, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and Reuben B. Ellestad (1900-1993), American analytical chemist of Minneapolis, Minnesota, USA.
Help on Synonym: Synonym: Fluorellestadite - Renamed Ellestadite-(F) by Mineralogical Record v39 (2008), 131