| |
 |
Organovaite-Mn Mineral Data
|
|
|
General Organovaite-Mn Information
|
 Chemical Formula: |
K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) |
| Composition: |
Molecular Weight = 2,372.13 gm |
| |
Potassium 3.79 % K 4.57 % K2O |
| |
Barium 1.16 % Ba 1.29 % BaO |
| |
Sodium 0.39 % Na 0.52 % Na2O |
| |
Calcium 0.84 % Ca 1.18 % CaO |
| |
Titanium 5.65 % Ti 9.43 % TiO2 |
| |
Manganese 4.17 % Mn 5.38 % MnO |
| |
Niobium 20.76 % Nb 29.69 % Nb2O5 |
| |
Aluminum 0.11 % Al 0.21 % Al2O3 |
| |
Zinc 1.65 % Zn 2.06 % ZnO |
| |
Iron 0.24 % Fe 0.30 % FeO |
| |
Silicon 18.83 % Si 40.27 % SiO2 |
| |
Hydrogen 0.59 % H 5.32 % H2O |
| |
Oxygen 41.82 % O |
| |
______ ______ |
| |
100.00 % 100.24 % = TOTAL OXIDE |
| Empirical Formula: |
K2.3Zn0.6Ca0.5Na0.4Ba0.2Mn2+1.8Fe2+0.1Nb5.3Ti2.8Si15.9Al0.1O54(OH)2�6(H2O) |
| Environment: |
Alkaline pegmatites. Sometimes forms pseudomorphs after vuonnemite. |
| IMA Status: |
Approved IMA 2002 (Dana # Added) |
| Locality: |
Mount Karnasurt, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Natalia Ivanovna Organova (1929-), Russian crystallographer and the Mn end-member. |
| Synonym: |
IMA2000-031 |
| |