| |
 |
Uedaite-(Ce) Mineral Data
|
|
|
General Uedaite-(Ce) Information
|
 Chemical Formula: |
Mn++CeAl2Fe++(Si2O7)(SiO4)O(OH) |
| Composition: |
Molecular Weight = 584.87 gm |
| |
Calcium 1.78 % Ca 2.49 % CaO |
| |
Lanthanum 2.61 % La 3.06 % La2O3 |
| |
Cerium 9.34 % Ce 10.94 % Ce2O3 |
| |
Praeseodymium 1.69 % Pr 1.97 % Pr2O3 |
| |
Samarium 1.29 % Sm 1.49 % Sm2O3 |
| |
Gadolinium 0.54 % Gd 0.62 % Gd2O3 |
| |
Yttrium 0.61 % Y 0.77 % Y2O3 |
| |
Thorium 0.40 % Th 0.45 % ThO2 |
| |
Magnesium 0.04 % Mg 0.07 % MgO |
| |
Manganese 4.79 % Mn 6.19 % MnO |
| |
Aluminum 8.72 % Al 16.47 % Al2O3 |
| |
Iron 12.80 % Fe 16.46 % FeO |
| |
Silicon 14.41 % Si 30.82 % SiO2 |
| |
Hydrogen 0.17 % H 1.54 % H2O |
| |
Neodymium 5.67 % Nd 6.62 % Nd2O3 |
| |
Oxygen 35.15 % O |
| |
______ ______ |
| |
100.00 % 99.97 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+0.51Ca0.26Ce0.39Nd0.23La0.11Pr0.07Sm0.05Y0.04Gd0.02Th0.01Al1.89Fe2+1.34Mg0.01
(Si2O7)(SiO4)O0.85(OH) |
| Environment: |
Found in a granite at a quarry. Epidote group |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Marutoku quarry, Shodoshima Island in Seto Inland Sea, Kagawa Prefecture, Japan Link to MinDat.org Location Data. |
| Name Origin: |
Named for Tateo Ueda (1912-2000), who was the first to solve the crystal structure of allanite. |
| Synonym: |
IMA2006-022 |
| |