| |
 |
Pyrochlore Mineral Data
|
|
|
General Pyrochlore Information
|
 Chemical Formula: |
(Na,Ca)2Nb2O6(OH,F) |
| Composition: |
Molecular Weight = 353.84 gm |
| |
Sodium 9.75 % Na 13.14 % Na2O |
| |
Calcium 5.66 % Ca 7.92 % CaO |
| |
Niobium 52.51 % Nb 75.12 % Nb2O5 |
| |
Hydrogen 0.21 % H 1.91 % H2O |
| |
Oxygen 30.52 % O |
| |
Fluorine 1.34 % F 1.34 % F |
| |
- %
F -0.57 % -O=F2 |
| |
______ ______ |
| |
100.00 % 98.87 % = TOTAL OXIDE |
| Empirical Formula: |
Na1.5Ca0.5Nb2O6(OH)0.75F0.25 |
| Environment: |
Nepheline-syenite rocks. |
| IMA Status: |
Valid Species (Pre-IMA) 1826 |
| Locality: |
Fredriksvarn and Larvik, Norway. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek pyr - "fire" and chloros - "green." |
| Name Pronunciation: |
Pyrochlore + Pronunciation  |
| Synonym: |
ICSD 27815 |
| |
PDF 17-746 |
| |