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Murataite Mineral Data
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General Murataite Information
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 Chemical Formula: |
(Y,Na)6(Zn,Fe+++)5(Ti,Nb)12O29(O,F)14 |
| Composition: |
Molecular Weight = 2,000.60 gm |
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Sodium 4.60 % Na 6.20 % Na2O |
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Calcium 0.60 % Ca 0.84 % CaO |
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La,Ce,Pr,Nd,Sm, 8.64 % RE 10.08 % REE2O3 |
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Yttrium 9.78 % Y 12.42 % Y2O3 |
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Titanium 22.98 % Ti 38.33 % TiO2 |
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Manganese 0.55 % Mn 0.71 % MnO |
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Niobium 6.97 % Nb 9.96 % Nb2O5 |
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Zinc 9.15 % Zn 11.39 % ZnO |
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Iron 2.79 % Fe 3.99 % Fe2O3 |
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Silicon 0.14 % Si 0.30 % SiO2 |
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Hydrogen 0.06 % H 0.54 % H2O |
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Oxygen 26.63 % O |
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Fluorine 7.12 % F 7.12 % F |
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- %
F -3.00 % -O=F2 |
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______ ______ |
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100.00 % 98.88 % = TOTAL OXIDE |
| Empirical Formula: |
Na4Y2.2REE1.2Zn2.8Fe3+Ca0.3Mn2+0.2Ti9.6Nb1.5Si0.1O32.1F7.5(OH)1.2 |
| Environment: |
From a prospect dump in a pegmatite subjected to alkali metasomatism. |
| IMA Status: |
Approved IMA 1974 |
| Locality: |
St. Peters Dome area, near Pikes Peak, El Paso County, Colorado, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Kiguma Jack Murata (1909-) Geochemist, U.S. Geological Survey, Menlo Park, California, USA. |
| Name Pronunciation: |
Murataite + Pronunciation  |
| Synonym: |
ICSD 81595 |
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PDF 26-1383 |
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