General Davisite Information
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Chemical Formula: |
Ca(Sc,Ti+++,Mg,Ti++++)AlSiO6 |
Composition: |
Molecular Weight = 235.70 gm |
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Calcium 16.83 % Ca |
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Yttrium 0.38 % Y |
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Magnesium 1.65 % Mg |
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Zirconium 1.55 % Zr |
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Scandium 9.54 % Sc |
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Titanium 5.28 % Ti |
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Aluminum 11.10 % Al |
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Vanadium 0.43 % V |
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Iron 0.24 % Fe |
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Silicon 12.27 % Si |
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Oxygen 40.73 % O |
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______ |
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100.00 % |
Empirical Formula: |
Ca0.99Sc0.5Ti0.16Mg0.16Ti0.1Zr0.04V3+0.02Fe2+0.01Y0.01Si1.03Al0.97O6 |
Environment: |
Observed in an ultra-refractory inclusion. Pyroxene group. |
IMA Status: |
Approved IMA 2008 (Dana # Added) |
Locality: |
Allende meteorite, Pueblito de Allende, Chihuahua, Mexico Link to MinDat.org Location Data. |
Name Origin: |
Named for Andrew M. Davis (b 1950), Professor of Cosmochemistry at the University of Chicago, in honor of his outstanding contributions to meteorite research. |
Synonym: |
IMA2008-030 |
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