|
|
Fluoropargasite Mineral Data
|
|
|
General Fluoropargasite Information
|
Chemical Formula: |
NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2 |
Composition: |
Molecular Weight = 879.14 gm |
|
Potassium 0.76 % K 0.91 % K2O |
|
Sodium 2.12 % Na 2.86 % Na2O |
|
Calcium 8.84 % Ca 12.37 % CaO |
|
Magnesium 8.79 % Mg 14.58 % MgO |
|
Titanium 0.54 % Ti 0.91 % TiO2 |
|
Manganese 0.06 % Mn 0.08 % MnO |
|
Aluminum 6.48 % Al 12.24 % Al2O3 |
|
Vanadium 0.12 % V 0.17 % V2O3 |
|
Iron 7.62 % Fe 9.64 % FeO / 0.18 % Fe2O3 |
|
Silicon 20.41 % Si 43.67 % SiO2 |
|
Hydrogen 0.08 % H 0.73 % H2O |
|
Chlorine 0.12 % Cl 0.12 % Cl |
|
- %
Cl -0.03 % -O=Cl2 |
|
Oxygen 41.33 % O |
|
Fluorine 2.72 % F 2.72 % F |
|
- %
F -1.15 % -O=F2 |
|
______ ______ |
|
100.00 % 100.01 % = TOTAL OXIDE |
Empirical Formula: |
Na0.75K0.17Ca1.94Na0.06Mg3.18Fe2+1.18Al0.5Ti0.1Fe3+0.02V3+0.02Mn2+0.01Si6.39
Al1.61O22F1.26(OH)0.71Cl0.03 |
Environment: |
Occurs in granulite-facies metacarbonates of late Precambrian age. Amphibole group. |
IMA Status: |
Approved IMA 2003 (Dana # Added) |
Locality: |
Franklin Marble at Edenville, Orange County, New York, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
Synonym: |
IMA2003-050 |
|