General Potassic-fluororichterite Information Chemical Formula: |
(K,Na)(CaNa)Mg5[Si8O22]F2 |
Composition: |
Molecular Weight = 834.33 gm |
|
Potassium 3.51 % K 4.23 % K2O |
|
Sodium 3.44 % Na 4.64 % Na2O |
|
Calcium 4.80 % Ca 6.72 % CaO |
|
Magnesium 14.57 % Mg 24.15 % MgO |
|
Silicon 26.93 % Si 57.61 % SiO2 |
|
Oxygen 42.19 % O |
|
Fluorine 4.55 % F 4.55 % F |
|
- %
F -1.92 % -O=F2 |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
K0.75Na1.25CaMg5(Si8O22)F2 |
IMA Status: |
Approved IMA 1992 (Dana # Added) |
Locality: |
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: |
IMA1986-046 |
|
Potassium-fluor-richterite |
| | Potassic-fluororichterite Image
Images:
|
|
Potassic-fluororichterite Crystallography Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Optical Properties of Potassic-fluororichterite Optical Data: |
|
| Calculated Properties of Potassic-fluororichterite Fermion Index: |
Fermion Index = 0.02 |
Boson Index = 0.98 Photoelectric: |
PEPotassic-fluororichterite = 2.38 barns/electron |
U=PEPotassic-fluororichterite x relectron= . barns/cc. Radioactivity: |
|
GRapi = 50.33 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Potassic-fluororichterite - barely detectable | Potassic-fluororichterite Classification Dana Class: |
66.01.03b.09b (66)Inosilicate Double-Width Unbranched Chains, W=2 |
|
(66.01)with P=2 amphibole configuration |
|
(66.01.03b)Group 3, the sodic-calcic amphiboles |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Strunz Class: |
09.DE.20 09 - SILICATES (Germanates) |
|
09.D - Inosilicates* Structural terminology according to Liebau (1985) |
|
09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other Potassic-fluororichterite Information See Also: |
Links to other databases for Potassic-fluororichterite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Potassic-fluororichterite using: Visit our Advertisers for Potassic-fluororichterite : A Bijoux Google Search for Potassic-fluororichteriteAdam's Minerals Google Search for Potassic-fluororichterite Cape Minerals Google Search for Potassic-fluororichterite Dakota Matrix Minerals Google Search for Potassic-fluororichterite Excalibur Mineral Corp. Google Search for Potassic-fluororichterite Exceptional Minerals Google Search for Potassic-fluororichterite John Betts Fine Minerals Search for Potassic-fluororichterite McDougall Minerals Google Search for Potassic-fluororichterite Mineral News Website Link Rock and Mineral Shows Google Search for Potassic-fluororichterite Weinrich Minerals, Inc. Google Search for Potassic-fluororichterite Ask about Potassic-fluororichterite here : Print or Cut-and-Paste your Potassic-fluororichterite Specimen Label here :
| |
|
| |