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Zirkelite Mineral Data
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General Zirkelite Information
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Chemical Formula: |
(Ca,Th,Ce)Zr(Ti,Nb)2O7 |
Composition: |
Molecular Weight = 382.76 gm |
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Calcium 6.28 % Ca 8.79 % CaO |
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Cerium 3.66 % Ce 4.29 % Ce2O3 |
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Thorium 6.06 % Th 6.90 % ThO2 |
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Zirconium 23.83 % Zr 32.19 % ZrO2 |
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Titanium 18.76 % Ti 31.30 % TiO2 |
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Niobium 12.14 % Nb 17.36 % Nb2O5 |
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Oxygen 29.26 % O |
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______ ______ |
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100.00 % 100.84 % = TOTAL OXIDE |
Empirical Formula: |
Ca0.6Th0.1Ce0.1ZrTi1.5Nb0.5O7 |
Environment: |
Found with baddeleyite in decomposed magnetite-pyroxenite. Dimorphous with calciobetafite. |
IMA Status: |
Approved IMA 1960 |
Locality: |
Jacupiranga, San Palo, Brazil. Link to MinDat.org Location Data. |
Name Origin: |
Named for Ferdinand Zirkel (1838-1912), German petrographer, Professor of Mineralogy, University of Leipzig, Leipzig, Germany. |
Name Pronunciation: |
Zirkelite + Pronunciation |
Synonym: |
ICSD 31198 |
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PDF 38-450 |
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Polymignite - metamict |
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Uhligite - perovskite or zirkelite (?) |
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