General Ferropargasite Information![]() NaCa2(Fe++4Al)Si6Al2O22(OH)2 |
![]() Molecular Weight = 961.99 gm |
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Sodium 2.39 % Na 3.22 % Na2O |
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Calcium 8.33 % Ca 11.66 % CaO |
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Aluminum 8.41 % Al 15.90 % Al2O3 |
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Iron 23.22 % Fe 29.87 % FeO |
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Silicon 17.52 % Si 37.47 % SiO2 |
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Hydrogen 0.21 % H 1.87 % H2O |
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Oxygen 39.92 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() NaCa2Fe2+4Al(Si6Al2O22)(OH)2 |
![]() Approved IMA 1961 |
![]() Link to MinDat.org Location Data. |
![]() Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
![]() Ferropargasite + Pronunciation |
![]() ![]() ICSD 64809 |
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PDF 26-1372 |
| | Ferropargasite Image
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Ferropargasite Crystallography![]() a:b:c =0.5485:1:0.2938 |
![]() a = 9.95, b = 18.14, c = 5.33, Z = 2; beta = 105.3° V = 927.93 Den(Calc)= 3.44 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
![]() By Intensity(I/Io): 8.5(1), 3.15(0.8), 2.718(0.6), |
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| Physical Properties of Ferropargasite![]() {110} Perfect |
![]() Bluish green, Brown, Grayish black, Black. |
![]() 3.44 |
![]() Translucent to Subopaque |
![]() 5-6 - Between Apatite and Orthoclase |
![]() Vitreous (Glassy) |
![]() gray white |
| Optical Properties of Ferropargasite![]() CI meas= -0.012 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.012 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2065,KPDmeas= 0.2065,KC= 0.204 Ncalc = 1.7 ![]() Biaxial (-), a=1.7, b=1.713, g=1.718, bire=0.0180 |
| Calculated Properties of Ferropargasite![]() Bulk Density (Electron Density)=3.38 gm/cc |
note: Specific Gravity of Ferropargasite =3.44 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEFerropargasite = 8.88 barns/electron |
U=PEFerropargasite x rElectron Density= 29.98 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ferropargasite is Not Radioactive | Ferropargasite Classification![]() 66.01.03a.13 (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 Ferropargasite Information![]() PHYS. PROP.(Larousse des Mineraux,1981) OPTIC PROP.(Larousse des Mineraux,1981) |
![]() Links to other databases for Ferropargasite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Ferropargasite using: Visit our Advertisers for Ferropargasite : A Bijoux Google Search for FerropargasiteAdam's Minerals Google Search for Ferropargasite Cape Minerals Google Search for Ferropargasite Dakota Matrix Minerals Google Search for Ferropargasite Excalibur Mineral Corp. Google Search for Ferropargasite Exceptional Minerals Google Search for Ferropargasite John Betts Fine Minerals Search for Ferropargasite McDougall Minerals Google Search for Ferropargasite Mineral News Website Link Rock and Mineral Shows Google Search for Ferropargasite Weinrich Minerals, Inc. Google Search for Ferropargasite Ask about Ferropargasite here : Print or Cut-and-Paste your Ferropargasite Specimen Label here :
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