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Allendeite Mineral Data
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General Allendeite Information
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Chemical Formula: |
Sc4Zr3O12 |
Composition: |
Molecular Weight = 648.47 gm |
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Calcium 1.92 % Ca 2.68 % CaO |
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Yttrium 0.55 % Y 0.70 % Y2O3 |
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Hafnium 1.10 % Hf 1.30 % HfO2 |
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Zirconium 41.50 % Zr 56.06 % ZrO2 |
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Scandium 20.87 % Sc 32.01 % Sc2O3 |
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Titanium 3.25 % Ti 5.42 % TiO2 |
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Aluminum 0.37 % Al 0.71 % Al2O3 |
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Vanadium 0.24 % V 0.35 % V2O3 |
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Iron 0.60 % Fe 0.78 % FeO |
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Oxygen 29.61 % O |
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______ ______ |
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100.00 % 99.99 % = TOTAL OXIDE |
Empirical Formula: |
Sc3.01Ti0.44Ca0.31Al0.09Fe2+0.07Y0.04V3+0.03Zr2.95Hf0.04O12 |
Environment: |
The mineral occurs in a partially altered refractory inclusion in section USNM 7554. Probable pre-solar refractory mineral. New structure type. |
IMA Status: |
Approved IMA 2007 (Dana # Added) |
Locality: |
Allende meteorite, Pueblito de Allende, Chihuahua, Mexico. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Synonym: |
IMA2007-027 |
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