Mineralogy Database

Traskite Mineral Data

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General Traskite Information

Help on Chemical  Formula: Chemical Formula: (Ba,Ca)9(Fe++,Mn)2Ti2(SiO3)12(OH,Cl,F)6•6(H2O)
Help on Composition: Composition: Molecular Weight = 2,552.58 gm
   Barium     45.73 %  Ba   51.06 % BaO
   Strontium   0.34 %  Sr    0.41 % SrO
   Calcium     0.63 %  Ca    0.88 % CaO
   Magnesium   0.19 %  Mg    0.32 % MgO
   Titanium    3.38 %  Ti    5.63 % TiO2
   Manganese   1.08 %  Mn    1.39 % MnO
   Aluminum    0.21 %  Al    0.40 % Al2O3
   Iron        3.28 %  Fe    4.22 % FeO
   Silicon    12.98 %  Si   27.78 % SiO2
   Hydrogen    0.57 %  H     5.08 % H2O
   Chlorine    3.47 %  Cl    3.47 % Cl
                -   %   Cl   -0.78 % -O=Cl2   
   Oxygen     27.77 %  O
   Fluorine    0.37 %  F     0.37 % F
                -   %   F    -0.16 % -O=F2    
             ______        ______ 
             100.00 %      100.06 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba8.5Ca0.4Sr0.1Fe2+1.5Mn2+0.5Mg0.2Ti1.8Si11.8Al0.2O29.9(OH)14.4Cl2.5F0.5
Help on Environment: Environment: Sanbornite-bearing metamorphic rocks along a granodiorite contact.
Help on IMA Status: IMA Status: Approved IMA 1965
Help on Locality: Locality: Big Creek - Rush Creek sanbornite deposit, 5 miles NE of Trimmer, Fresno Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John Boardman Trask (1824-1879), first state geologist of California.
Help on Name Pronunciation: Name Pronunciation: Traskite Say TRASKITE
Help on Synonym: Synonym: ICSD 34076
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