| |
 |
Nacareniobsite-(Ce) Mineral Data
|
|
|
General Nacareniobsite-(Ce) Information
|
 Chemical Formula: |
NbNa3Ca3(Ce,La)(Si2O7)2OF3 |
| Composition: |
Molecular Weight = 830.67 gm |
| |
Sodium 7.20 % Na 9.70 % Na2O |
| |
Calcium 13.99 % Ca 19.58 % CaO |
| |
Lanthanum 6.69 % La 7.84 % La2O3 |
| |
Cerium 11.81 % Ce 13.83 % Ce2O3 |
| |
Titanium 1.73 % Ti 2.88 % TiO2 |
| |
Niobium 7.83 % Nb 11.20 % Nb2O5 |
| |
Silicon 13.52 % Si 28.93 % SiO2 |
| |
Oxygen 28.31 % O |
| |
Fluorine 8.92 % F 8.92 % F |
| |
- %
F -3.76 % -O=F2 |
| |
______ ______ |
| |
100.00 % 99.13 % = TOTAL OXIDE |
| Empirical Formula: |
Nb0.7Ti0.3Na2.6Ca2.9Ce0.7La0.4(Si2O7)2F3.9O0.7 |
| Environment: |
In groundmass and as a secondary mineral in an arfvedsonite-nepheline syenite. |
| IMA Status: |
Approved IMA 1989 |
| Locality: |
Found in the Kvanefjeld tunnel in the Ilimaussaq, intrusion, southern Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Natrium (sodium), Calcium, Rare Earths, NIOBium, and Silicon in the chemical formula. |
| Name Pronunciation: |
Nacareniobsite-(Ce) + Pronunciation  |
| |