Mineralogy Database

Alforsite Mineral Data

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General Alforsite Information

Help on Chemical  Formula: Chemical Formula: Ba5(PO4)3Cl
Help on Composition: Composition: Molecular Weight = 1,007.00 gm
   Barium      68.19 %  Ba   76.13 % BaO
   Phosphorus   9.23 %  P    21.14 % P2O5
   Chlorine     3.52 %  Cl    3.52 % Cl
                 -   %   Cl   -0.79 % -O=Cl2   
   Oxygen      19.07 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba5(PO4)3Cl
Help on Environment: Environment: In lenses and bands of barium silicate metasediments developed under hornblende-pyroxene hornfels facies near the contact with granite or granodiorite.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: From Big Creek and Rush Creek, Fresno Co., and on Trumbull Peak, near Incline, Marisopa Co., California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: To honor Dr. John T. Alfors (1930- ), geologist, California Division of Mines, for his work on the type locality.
Help on Name Pronunciation: Name Pronunciation: Alforsite + Pronunciation Say ALFORSITE
Help on Synonym: Synonym: ICSD 8191
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