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Percleveite-(Ce) Mineral Data
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General Percleveite-(Ce) Information
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 Chemical Formula: |
(Ce,La,Nd)2Si2O7 |
| Composition: |
Molecular Weight = 442.72 gm |
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Lanthanum 12.86 % La 15.09 % La2O3 |
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Cerium 27.53 % Ce 32.25 % Ce2O3 |
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Praeseodymium 2.86 % Pr 3.35 % Pr2O3 |
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Samarium 2.38 % Sm 2.76 % Sm2O3 |
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Gadolinium 2.13 % Gd 2.46 % Gd2O3 |
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Dysprosium 0.37 % Dy 0.42 % Dy2O3 |
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Yttrium 2.41 % Y 3.06 % Y2O3 |
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Silicon 12.75 % Si 27.28 % SiO2 |
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Neodymium 11.40 % Nd 13.30 % Nd2O3 |
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Oxygen 25.30 % O |
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______ ______ |
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100.00 % 99.96 % = TOTAL OXIDE |
| Empirical Formula: |
Ce0.87La0.41Nd0.35Y0.12Pr0.09Sm0.07Gd0.06Dy0.01Si2.01O7 |
| Environment: |
Minor grain in cerite-(Ce) ore with magnetite, chalcopyrite and clinoamphibole. Isostructural with Ln2Si2O7. |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Museum sepcimen of cerium-rich ore from the Bastnas deposit, Skinnskatteberg district, Vastmanland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Per Theodor Cleve (1840-1905), discoverer of Holmium (Ho) and Thulium (Tm). |
| Synonym: |
IMA2002-023 |
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