General Potassic-ferropargasite Information![]() KCa2(Fe++4Al)Si6Al2O22(OH)2 |
![]() Molecular Weight = 978.10 gm |
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Potassium 4.00 % K 4.82 % K2O |
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Calcium 8.20 % Ca 11.47 % CaO |
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Aluminum 8.28 % Al 15.64 % Al2O3 |
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Iron 22.84 % Fe 29.38 % FeO |
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Silicon 17.23 % Si 36.86 % SiO2 |
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Hydrogen 0.21 % H 1.84 % H2O |
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Oxygen 39.26 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() KCa2Fe2+4AlSi6Al2O22(OH)2 |
![]() Amphibole group |
![]() Proposed IMA 2007 |
![]() Kabutoichiba, Kameyama, Mie Prefecture, Japan Link to MinDat.org Location Data. |
![]() Commission on New Minerals, Nomenclature and Classification (CNMNC) |
![]() IMA2007-053 |
| | Search for Potassic-ferropargasite Images
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| | Potassic-ferropargasite Crystallography![]() a:b:c =0.5487:1:0.2946 |
![]() a = 9.937, b = 18.108, c = 5.335, Z = 2; beta = 105.3° V = 925.95 Den(Calc)= 3.51 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
![]() By Intensity(I/Io): 2.72(1), 8.48(0.81), 2.61(0.59),3.4(0.51), 3.15(0.46), 2.57(0.43), 2.17(0.39), 2.36(0.37), |
| Optical Properties of Potassic-ferropargasite![]() NCalc= 1.72 - from Gladstone-Dale relationship (KC = 0.204) where Ncalc=Dcalc*KC+1 |
| Calculated Properties of Potassic-ferropargasite![]() Bulk Density (Electron Density)=3.45 gm/cc |
note: Specific Gravity of Potassic-ferropargasite =3.51 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEPotassic-ferropargasite = 9.10 barns/electron |
U=PEPotassic-ferropargasite x relectron= 31.34 barns/cc. ![]() |
GRapi = 56.60 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Potassic-ferropargasite | Potassic-ferropargasite Classification![]() 66.01.03a.13c (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.03a)Group 2, the calcic amphiboles |
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![]() 09.DE.10 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family |
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| Other Potassic-ferropargasite Information![]() Links to other databases for Potassic-ferropargasite : |
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-ferropargasite using: Visit our Advertisers for Potassic-ferropargasite : A Bijoux Google Search for Potassic-ferropargasiteAdam's Minerals Google Search for Potassic-ferropargasite Cape Minerals Google Search for Potassic-ferropargasite Dakota Matrix Minerals Google Search for Potassic-ferropargasite Excalibur Mineral Corp. Google Search for Potassic-ferropargasite Exceptional Minerals Google Search for Potassic-ferropargasite John Betts Fine Minerals Search for Potassic-ferropargasite McDougall Minerals Google Search for Potassic-ferropargasite Mineral News Website Link Rock and Mineral Shows Google Search for Potassic-ferropargasite Weinrich Minerals, Inc. Google Search for Potassic-ferropargasite Ask about Potassic-ferropargasite here : Print or Cut-and-Paste your Potassic-ferropargasite Specimen Label here :
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