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Tranquillityite Mineral Data
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General Tranquillityite Information
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 Chemical Formula: |
Fe++8(Zr,Y)2Ti3Si3O24 |
| Composition: |
Molecular Weight = 1,239.95 gm |
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Yttrium 3.59 % Y 4.55 % Y2O3 |
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Zirconium 11.04 % Zr 14.91 % ZrO2 |
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Titanium 11.58 % Ti 19.33 % TiO2 |
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Iron 36.03 % Fe 46.35 % FeO |
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Silicon 6.80 % Si 14.54 % SiO2 |
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Oxygen 30.97 % O |
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______ ______ |
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100.00 % 99.68 % = TOTAL OXIDE |
| Empirical Formula: |
Fe2+8Zr1.5Y0.5Ti3Si3O24 |
| Environment: |
In mare and non-mare basalts on the Moon. |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
Tranquility Base, Moon (Apollo 11). Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Tranquillityite + Pronunciation  |
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