Mineralogy Database

Prosopite Mineral Data

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General Prosopite Information

Help on Chemical  Formula: Chemical Formula: CaAL2(F,OH)8
Help on Composition: Composition: Molecular Weight = 242.05 gm
   Calcium   16.56 %  Ca   23.17 % CaO
   Aluminum  22.29 %  Al   42.12 % Al2O3
   Hydrogen   0.83 %  H     7.44 % H2O
   Oxygen    13.22 %  O
   Fluorine  47.09 %  F    47.09 % F
               -   %   F   -19.83 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaAl2F6(OH)2
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1853
Help on Locality: Locality: St. Peter's Dome near Pike's Peak, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek prosopon - "mask."
Help on Name Pronunciation: Name Pronunciation: Prosopite + Pronunciation Say PROSOPITE
Help on Synonym: Synonym: ICSD 10267
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