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Traskite Mineral Data
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General Traskite Information
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 Chemical Formula: |
(Ba,Ca)9(Fe++,Mn)2Ti2(SiO3)12(OH,Cl,F)6•6(H2O) |
| Composition: |
Molecular Weight = 2,552.58 gm |
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Barium 45.73 % Ba 51.06 % BaO |
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Strontium 0.34 % Sr 0.41 % SrO |
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Calcium 0.63 % Ca 0.88 % CaO |
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Magnesium 0.19 % Mg 0.32 % MgO |
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Titanium 3.38 % Ti 5.63 % TiO2 |
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Manganese 1.08 % Mn 1.39 % MnO |
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Aluminum 0.21 % Al 0.40 % Al2O3 |
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Iron 3.28 % Fe 4.22 % FeO |
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Silicon 12.98 % Si 27.78 % SiO2 |
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Hydrogen 0.57 % H 5.08 % H2O |
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Chlorine 3.47 % Cl 3.47 % Cl |
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- %
Cl -0.78 % -O=Cl2 |
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Oxygen 27.77 % O |
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Fluorine 0.37 % F 0.37 % F |
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- %
F -0.16 % -O=F2 |
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______ ______ |
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100.00 % 100.06 % = TOTAL OXIDE |
| Empirical Formula: |
Ba8.5Ca0.4Sr0.1Fe2+1.5Mn2+0.5Mg0.2Ti1.8Si11.8Al0.2O29.9(OH)14.4Cl2.5F0.5 |
| Environment: |
Sanbornite-bearing metamorphic rocks along a granodiorite contact. |
| IMA Status: |
Approved IMA 1965 |
| Locality: |
Big Creek - Rush Creek sanbornite deposit, 5 miles NE of Trimmer, Fresno Co., California. Link to MinDat.org Location Data. |
| Name Origin: |
Named for John Boardman Trask (1824-1879), first state geologist of California. |
| Name Pronunciation: |
Traskite  |
| Synonym: |
ICSD 34076 |
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PDF 18-171 |
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