Mineral of the Month Club - An Inexpensive Way to Enjoy Minerals General Georgechaoite InformationKNaZrSi3O9•2(H2O) |
Molecular Weight = 417.59 gm |
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Potassium 9.36 % K 11.28 % K2O |
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Sodium 5.51 % Na 7.42 % Na2O |
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Zirconium 21.85 % Zr 29.51 % ZrO2 |
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Silicon 20.18 % Si 43.16 % SiO2 |
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Hydrogen 0.97 % H 8.63 % H2O |
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Oxygen 42.14 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
KNaZrSi3O9•2(H2O) |
Found in small cavities in an alacime nepheline syenite. |
Approved IMA 1985 |
Wind Mountain laccolith, Otero County, New Mexico. Link to MinDat.org Location Data. |
The name honors Prof. George Y. Chao of Carlton University, Ottawa, Canada, for his work with Zr silicates. |
Georgechaoite + Pronunciation |
ICSD 201843 |
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IMA1984-024 |
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PDF 39-315 |
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Georgechaoite Crystallographya:b:c =0.9146:1:0.5204 |
a = 11.836, b = 12.94, c = 6.735, Z = 4; V = 1,031.52 Den(Calc)= 2.69 |
Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P 21nb |
By Intensity(I/Io): 3.12(1), 6.46(0.73), 5.95(0.7), |
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Mouse
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| Physical Properties of GeorgechaoiteNone |
Colorless, White. |
2.7 |
Transparent |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
5 - Apatite |
white |
| Optical Properties of GeorgechaoiteCI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2207,KPDmeas= 0.2199,KC= 0.2176 Ncalc = 1.59 Biaxial (-), a=1.578, b=1.597, g=1.606, bire=0.0280, 2V(Calc)=68, 2V(Meas)=67. |
| Calculated Properties of GeorgechaoiteBulk Density (Electron Density)=2.64 gm/cc |
note: Specific Gravity of Georgechaoite =2.70 gm/cc. Fermion Index = 0.03 |
Boson Index = 0.97 PEGeorgechaoite = 30.58 barns/electron |
U=PEGeorgechaoite x relectron= 80.68 barns/cc. |
GRapi = 131.99 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Georgechaoite | Georgechaoite Classification59.02.02.04 (59)Cyclosilicate Three-Membered Rings |
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(59.02)hydrated |
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(59.02.02)Catapleiite group |
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09.DM.15 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DM -Inosilicates with 6-periodic single chains |
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| Other Georgechaoite InformationNAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Georgechaoite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Georgechaoite using: Visit our Advertisers for Georgechaoite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Georgechaoite Mineral Data : Ask about Georgechaoite here : Print or Cut-and-Paste your Georgechaoite Specimen Label here :
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