| |
 |
Mcgillite Mineral Data
|
|
|
General Mcgillite Information
|
 Chemical Formula: |
(Mn,Fe++)8Si6O15(OH)8Cl2 |
| Composition: |
Molecular Weight = 1,038.40 gm |
| |
Magnesium 0.47 % Mg 0.78 % MgO |
| |
Manganese 37.03 % Mn 47.82 % MnO |
| |
Iron 3.23 % Fe 4.15 % FeO |
| |
Silicon 16.23 % Si 34.72 % SiO2 |
| |
Hydrogen 0.78 % H 6.94 % H2O |
| |
Chlorine 6.83 % Cl 6.83 % Cl |
| |
- %
Cl -1.54 % -O=Cl2 |
| |
Oxygen 35.44 % O |
| |
______ ______ |
| |
100.00 % 99.69 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+7Fe2+0.6Mg0.2Si6O15(OH)8Cl2 |
| Environment: |
Open space fracture fillings in a manganese-rich section of quartzite and argillite in a metamorphosed Pb-Zn orebody. |
| IMA Status: |
Approved IMA 1980 |
| Locality: |
In the Sullivan mine, Kimberley, Kootenay district, British Columbia, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
Named for McGill University, Montreal, Quebec, Canada. |
| Name Pronunciation: |
Mcgillite + Pronunciation  |
| Synonym: |
IMA1979-024 |
| |