| |
 |
Gadolinite-(Ce) Mineral Data
|
|
|
General Gadolinite-(Ce) Information
|
 Chemical Formula: |
(Ce,La,Nd,Y)2Fe++Be2Si2O10 |
| Composition: |
Molecular Weight = 571.37 gm |
| |
Lanthanum 10.94 % La 12.83 % La2O3 |
| |
Cerium 16.68 % Ce 19.53 % Ce2O3 |
| |
La,Ce,Pr,Nd,Sm, 17.89 % RE 20.88 % REE2O3 |
| |
Yttrium 4.98 % Y 6.32 % Y2O3 |
| |
Magnesium 0.17 % Mg 0.28 % MgO |
| |
Titanium 0.08 % Ti 0.14 % TiO2 |
| |
Manganese 0.96 % Mn 1.24 % MnO |
| |
Beryllium 2.93 % Be 8.14 % BeO |
| |
Aluminum 0.05 % Al 0.09 % Al2O3 |
| |
Iron 7.23 % Fe 9.31 % FeO |
| |
Silicon 9.93 % Si 21.24 % SiO2 |
| |
Boron 0.15 % B 0.49 % B2O3 |
| |
Oxygen 28.00 % O |
| |
______ ______ |
| |
100.00 % 100.49 % = TOTAL OXIDE |
| Empirical Formula: |
Ce0.68La0.45Y0.32REE0.71Fe2+0.74Mn2+0.1Mg0.04Ti0.01Be1.86B0.08Al0.01Si2.02O10 |
| Environment: |
In syenite pegmatite veins along a contact between basalt and monzonite. |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
From a dump at Buer, nine km southeast of Skien, Bjorkendalen region, and in the Bakken quarry, Tvedalen, Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its cerium content and the relationship to gadolinite-(Y). |
| Name Pronunciation: |
Gadolinite-(Ce) + Pronunciation  |
| |