General Kostylevite Information![]() K2ZrSi3O9•(H2O) |
![]() Molecular Weight = 415.69 gm |
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Potassium 18.81 % K 22.66 % K2O |
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Zirconium 21.95 % Zr 29.64 % ZrO2 |
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Silicon 20.27 % Si 43.36 % SiO2 |
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Hydrogen 0.48 % H 4.33 % H2O |
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Oxygen 38.49 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() K2•(H2O)ZrSi3O9 |
![]() Alkalic pegmatite intergrown with umbite and wadeite. |
![]() Approved IMA 1983 |
![]() Yuonnemiok River Valley, eastern Khibiny Massif, Kola Peninsula, Russa. Link to MinDat.org Location Data. |
![]() Named for Yekaterina Eutikhievna Kostyleva-Labuntsova (1894-1974), Russian Mineralogist. |
![]() Kostylevite + Pronunciation |
![]() ![]() ICSD 20147 |
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PDF 37-459 |
| | Search for Kostylevite Images
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| | Kostylevite Crystallography![]() a:b:c =1.124:1:0.5602 |
![]() a = 13.171, b = 11.717, c = 6.565, Z = 4; beta = 105.26° V = 977.42 Den(Calc)= 2.82 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
![]() By Intensity(I/Io): 3.087(1), 5.6(0.6), 3.336(0.53), |
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| Physical Properties of Kostylevite![]() {110} Perfect |
![]() Colorless, Light yellow. |
![]() 2.74 |
![]() Transparent |
![]() 5 - Apatite |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Kostylevite![]() CI meas= -0.035 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.006 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2131,KPDmeas= 0.2193,KC= 0.2119 Ncalc = 1.58 - 1.6 ![]() Biaxial (?), a=1.595, b=1.598, g=1.61, bire=0.0150, 2V(Calc)=54, 2V(Meas)=48. |
| Calculated Properties of Kostylevite![]() Bulk Density (Electron Density)=2.74 gm/cc |
note: Specific Gravity of Kostylevite =2.82 gm/cc. ![]() Fermion Index = 0.03 |
Boson Index = 0.97 ![]() PEKostylevite = 31.74 barns/electron |
U=PEKostylevite x relectron= 86.98 barns/cc. ![]() |
GRapi = 263.80 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Kostylevite | Kostylevite Classification![]() 59.02.01.03 (59)Cyclosilicate Three-Membered Rings |
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(59.02)hydrated |
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(59.02.01)Umbite and related species |
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![]() 09.CJ.35 09 - SILICATES (Germanates) |
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09.C - Cyclosilicates |
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09.CJ -[Si6O18]12- 6-membered single rings (sechser-Einfachringe), |
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| Other Kostylevite Information![]() NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
![]() Links to other databases for Kostylevite : |
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 Kostylevite using: Visit our Advertisers for Kostylevite : A Bijoux Google Search for KostyleviteAdam's Minerals Google Search for Kostylevite Cape Minerals Google Search for Kostylevite Dakota Matrix Minerals Google Search for Kostylevite Excalibur Mineral Corp. Google Search for Kostylevite Exceptional Minerals Google Search for Kostylevite John Betts Fine Minerals Search for Kostylevite McDougall Minerals Google Search for Kostylevite Mineral News Website Link Rock and Mineral Shows Google Search for Kostylevite Weinrich Minerals, Inc. Google Search for Kostylevite Ask about Kostylevite here : Print or Cut-and-Paste your Kostylevite Specimen Label here :
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