| |
 |
Potassicferrisadanagaite Mineral Data
|
|
|
General Potassicferrisadanagaite Information
|
 Chemical Formula: |
(K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2 |
| Composition: |
Molecular Weight = 951.81 gm |
| |
Potassium 2.55 % K 3.07 % K2O |
| |
Sodium 1.43 % Na 1.92 % Na2O |
| |
Calcium 7.24 % Ca 10.13 % CaO |
| |
Magnesium 1.43 % Mg 2.37 % MgO |
| |
Titanium 1.06 % Ti 1.76 % TiO2 |
| |
Manganese 1.50 % Mn 1.94 % MnO |
| |
Aluminum 9.86 % Al 18.64 % Al2O3 |
| |
Zinc 0.14 % Zn 0.17 % ZnO |
| |
Iron 18.72 % Fe 16.00 % FeO / 8.98 % Fe2O3 |
| |
Silicon 15.46 % Si 33.08 % SiO2 |
| |
Hydrogen 0.18 % H 1.61 % H2O |
| |
Oxygen 39.84 % O |
| |
Fluorine 0.60 % F 0.60 % F |
| |
- %
F -0.25 % -O=F2 |
| |
______ ______ |
| |
100.00 % 100.02 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.31K0.62Ca1.72Na0.28Mg0.56Fe2+2.12Mn2+0.26Zn0.02Al0.72Fe3+1.07Ti0.21Si5.24Al2.76
O22(OH)1.7F0.3 |
| Environment: |
Rock-forming constituent of plagiosyenite, alkaline syenite, and rarely in nepheline syenite exposed along the eastern contact of the Urals. |
| IMA Status: |
Approved IMA 1997 (Dana # Added) |
| Locality: |
Ilmen Mountains, Miaskite Massif, South Urals. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition and relationship to sadanagaite. |
| Synonym: |
Ferrisadanagaite-K |
| |
IMA1997-035 |
| |