General Khibinskite Information![]() K2ZrSi2O7 |
![]() Molecular Weight = 337.59 gm |
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Potassium 23.16 % K 27.90 % K2O |
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Zirconium 27.02 % Zr 36.50 % ZrO2 |
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Silicon 16.64 % Si 35.60 % SiO2 |
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Oxygen 33.18 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() K2ZrSi2O7 |
![]() Aegirine-rich metasomatic rocks. |
![]() Approved IMA 1974 |
![]() Gakman Valley, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
![]() Named for the locality. |
![]() Khibinskite + Pronunciation |
![]() ![]() ICSD 20100 |
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PDF 26-928 |
| | Search for Khibinskite Images
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| | Khibinskite Crystallography![]() a:b:c =1.7315:1:1.2702 |
![]() a = 19.22, b = 11.1, c = 14.1, Z = 16; beta = 116.5° V = 2,692.07 Den(Calc)= 3.33 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: B2/m |
![]() By Intensity(I/Io): 2.76(1), 2.95(0.7), 1.63(0.65), |
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| Physical Properties of Khibinskite![]() {001} Perfect, {100} Perfect, {111} Perfect |
![]() White, Light yellow, Colorless. |
![]() 3.3 - 3.4, Average = 3.34 |
![]() Translucent |
![]() Even - Flat surfaces (not cleavage) fractured in an even pattern. |
![]() Inclusions - Generally found as inclusions in other minerals. |
![]() Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point. |
![]() 4.5-5.5 - Near Apatite |
![]() Greasy (Oily) |
![]() white |
| Optical Properties of Khibinskite![]() CI meas= -0.013 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.019 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2097,KPDmeas= 0.2085,KC= 0.2057 Ncalc = 1.68 - 1.7 ![]() Biaxial (-), a=1.665, b=1.715, g=1.715, bire=0.0500, 2V(Calc)=0, 2V(Meas)=6-16. |
| Calculated Properties of Khibinskite![]() Bulk Density (Electron Density)=3.22 gm/cc |
note: Specific Gravity of Khibinskite =3.35 gm/cc. ![]() Fermion Index = 0.03 |
Boson Index = 0.97 ![]() PEKhibinskite = 39.22 barns/electron |
U=PEKhibinskite x relectron= 126.09 barns/cc. ![]() |
GRapi = 320.74 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Khibinskite | Khibinskite Classification![]() 55.02.02.02 (55)Sorosilicate Si2O7 Groups, Generally with No Additional Anions |
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(55.02)with cations in [6] coordination |
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(55.02.02)Keldyshite group |
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![]() 09.BC.10 09 - SILICATES (Germanates) |
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09.B - Sorosilicates |
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09.BC -Si2O7 groups, without non-tetrahedral anions; |
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| Other Khibinskite Information![]() NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
![]() Links to other databases for Khibinskite : |
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 15 - WWW-MINCRYST Search for Khibinskite using: Visit our Advertisers for Khibinskite : A Bijoux Google Search for KhibinskiteAdam's Minerals Google Search for Khibinskite Cape Minerals Google Search for Khibinskite Dakota Matrix Minerals Google Search for Khibinskite Excalibur Mineral Corp. Google Search for Khibinskite Exceptional Minerals Google Search for Khibinskite John Betts Fine Minerals Search for Khibinskite McDougall Minerals Google Search for Khibinskite Mineral News Website Link Rock and Mineral Shows Google Search for Khibinskite Weinrich Minerals, Inc. Google Search for Khibinskite Ask about Khibinskite here : Print or Cut-and-Paste your Khibinskite Specimen Label here :
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