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General Olympite Information |
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 Chemical Formula: |
LiNa5(PO4)2 | ||
| Composition: |
Molecular Weight = 311.83 gm | ||
| Sodium 36.86 % Na 49.69 % Na2O | |||
| Lithium 2.23 % Li 4.79 % Li2O | |||
| Phosphorus 19.87 % P 45.52 % P2O5 | |||
| Oxygen 41.05 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
LiNa5(PO4)2 | ||
| Environment: |
Ultra-alkalic phase in nepheline syenite pegmatites in differentiated alkalic massifs. | ||
| IMA Status: |
Approved IMA 1980 | ||
| Locality: |
Mt. Rasvumchorr, Khibiny massif, and in the Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the 1980 Summer Olympic Games, in Moscow, USSR. | ||
| Name Pronunciation: |
Olympite  |
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| Synonym: |
ICSD 64931 | ||
| PDF 33-1272 | |||
Search for Olympite Images | |||
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Images:
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Olympite Crystallography |
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| Axial Ratios: |
a:b:c =0.6843:1:0.6848 | ||
| Cell Dimensions: |
a = 10.124, b = 14.794, c = 10.132, Z = 8; V = 1,517.51 Den(Calc)= 2.73 | ||
| Crystal System: |
Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.582(1), 4.18(0.9), 2.531(0.7), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Olympite |
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| Cleavage: |
None | ||
| Color: |
Colorless. | ||
| Density: |
2.8 | ||
| Diaphaneity: |
Translucent | ||
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
| Hardness: |
4 - Fluorite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Olympite |
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| Gladstone-Dale: |
CI meas= 0.052 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.028 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1871,KPDmeas= 0.1824,KC= 0.1924 Ncalc = 1.53 - 1.54 |
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| Optical Data: |
Biaxial (+), a=1.51, b=1.51, g=1.512, bire=0.0020, 2V(Calc)=0, 2V(Meas)=46. | ||
Calculated Properties of Olympite |
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| Electron Density: |
Bulk Density (Electron Density)=2.66 gm/cc note: Specific Gravity of Olympite =2.73 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.0018664269 Boson Index = 0.9981335731 |
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| Photoelectric: |
PEOlympite = 1.54 barns/electron U=PEOlympite x rElectron Density= 4.10 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Olympite is Not Radioactive |
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Olympite Classification |
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| Dana Class: |
38.04.10.02 (38)Anhydrous Phosphates, etc | ||
| (38.04)A+ XO4 | |||
| (38.04.10)Lithiophosphate Group | |||
| Strunz Class: |
08.AA.30 08 - PHOSPHATES, ARSENATES, VANADATES | ||
| 08.A - Phosphates, etc. without additional anions, without H2O | |||
| 08.AA -With small cations (some also with larger ones) | |||
Other Olympite Information |
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| References: |
NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.79,p571,1994) OPTIC PROP.(Am.Min.,Vol.79,p571,1994) | ||
| See Also: |
Links to other databases for Olympite : 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 Olympite using: Visit our Advertisers for Olympite : A Bijoux Google Search for OlympiteAdam's Minerals Google Search for Olympite Cape Minerals Google Search for Olympite Dakota Matrix Minerals Google Search for Olympite Excalibur Mineral Corp. Google Search for Olympite Exceptional Minerals Google Search for Olympite John Betts Fine Minerals Search for Olympite McDougall Minerals Google Search for Olympite Mineral News Website Link Rock and Mineral Shows Google Search for Olympite Weinrich Minerals, Inc. Google Search for Olympite Ask about Olympite here : Print or Cut-and-Paste your Olympite Specimen Label here :
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