| |
 |
Mosandrite Mineral Data
|
|
|
General Mosandrite Information
|
 Chemical Formula: |
Na(Na,Ca)2(Ca,Ce,Y)4(Ti,Nb,Zr)(Si2O7)2(O,F)2F3 |
| Composition: |
Molecular Weight = 913.39 gm |
| |
Sodium 5.03 % Na 6.79 % Na2O |
| |
Calcium 13.16 % Ca 18.42 % CaO |
| |
Cerium 23.01 % Ce 26.95 % Ce2O3 |
| |
Yttrium 4.87 % Y 6.18 % Y2O3 |
| |
Zirconium 1.00 % Zr 1.35 % ZrO2 |
| |
Titanium 3.15 % Ti 5.25 % TiO2 |
| |
Niobium 3.05 % Nb 4.37 % Nb2O5 |
| |
Silicon 12.30 % Si 26.31 % SiO2 |
| |
Oxygen 27.15 % O |
| |
Fluorine 7.28 % F 7.28 % F |
| |
- %
F -3.07 % -O=F2 |
| |
______ ______ |
| |
100.00 % 99.82 % = TOTAL OXIDE |
| Empirical Formula: |
Na2Ca3Ce1.5Y0.5Ti0.6Nb0.3Zr0.1(Si2O7)2O1.5F3.5 |
| Environment: |
Alteration product of rinkite. |
| IMA Status: |
Valid Species (Pre-IMA) 1841 |
| Locality: |
Langesundfiord region of southern Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Carl Gustav Mosander (1797-1858), Swedish chemist and mineralogist, who discovered several REE elements. |
| Synonym: |
Johnstrupite |
| |
Rinkite |
| |
Rinkolite |
| |