| |
 |
Parvowinchite Mineral Data
|
|
|
General Parvowinchite Information
|
 Chemical Formula: |
Na(NaMn++)(Mg4Fe+++)Si8O22(OH)2 |
| Composition: |
Molecular Weight = 842.09 gm |
| |
Magnesium 14.43 % Mg 23.93 % MgO |
| |
Manganese 13.05 % Mn 16.85 % MnO |
| |
Silicon 26.68 % Si 57.08 % SiO2 |
| |
Hydrogen 0.24 % H 2.14 % H2O |
| |
Oxygen 45.60 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+2Mg5(Si8O22)(OH)2 |
| Environment: |
Forms a series with Manganogrunerite (Dannemorite). |
| IMA Status: |
Approved IMA 1993 |
| Locality: |
Tirodi, Madhya Pradesh, India. Link to MinDat.org Location Data. |
| Name Origin: |
Renamed IMA 1997 as the Mn analog of cummintonite, Formerly Tirodite which was named after its locality. |
| Synonym: |
IMA2003-066 |
| |