| |
 |
Martinite Mineral Data
|
|
|
General Martinite Information
|
 Chemical Formula: |
(Na,[ ],Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2•4(H2O) |
| Composition: |
Molecular Weight = 1,589.21 gm |
| |
Sodium 13.29 % Na 17.92 % Na2O |
| |
Calcium 12.08 % Ca 16.90 % CaO |
| |
Magnesium 0.02 % Mg 0.03 % MgO |
| |
Titanium 0.03 % Ti 0.05 % TiO2 |
| |
Manganese 0.07 % Mn 0.09 % MnO |
| |
Silicon 23.12 % Si 49.45 % SiO2 |
| |
Boron 2.58 % B 8.32 % B2O3 |
| |
Hydrogen 0.61 % H 5.48 % H2O |
| |
Sulfur 0.93 % S 2.32 % SO3 |
| |
Chlorine 1.12 % Cl 1.12 % Cl |
| |
- %
Cl -0.25 % -O=Cl2 |
| |
Oxygen 43.95 % O |
| |
Fluorine 2.20 % F 2.20 % F |
| |
- %
F -0.93 % -O=F2 |
| |
______ ______ |
| |
100.00 % 102.69 % = TOTAL OXIDE |
| Empirical Formula: |
Na9.19Ca0.82Ca3.97Mn2+0.02Mg0.01Si13.08S0.464(B0.45)Ti0.01B2O38(OH)1.5Cl0.5F1.84(OH)0.16�4(H2O) |
| Environment: |
Formed through the interaction of highly fractionated, hyperagpaitic fluids with sodalite syenite xenoliths. (reyerite group; structure) |
| IMA Status: |
Approved IMA 2001 (Dana # Added) |
| Locality: |
Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
Name for Robert Fran�ois Martin (b. 1941), Professor of Geology at McGill University and long-time editor of The Canadian Mineralogist. |
| Synonym: |
IMA2001-059 |
| |