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Olympite

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1980 Summer Olympics Emblem
Formula:
Na5Li(PO4)2
Colour:
Colourless
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.8
Crystal System:
Orthorhombic
Name:
Named by A.P. Khomyakov, A.V. Bykova, and Y.A. Malinovskii in 1980 in honor of the 1980 Summer Olympic Games, in Moscow, USSR.
This page provides mineralogical data about Olympite.


Hide all sections | Show all sections

Classification of OlympiteHide

Approved
Approval Year:
1979
First Published:
1980
8.AA.30

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
A : With small cations (some also with larger ones)
38.4.10.2

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4
19.1.2

19 : Phosphates
1 : Phosphates of the alkali metals

Physical Properties of OlympiteHide

Vitreous
Transparency:
Translucent
Colour:
Colourless
Streak:
White
Hardness:
Hardness:
VHN40=274 - 395 kg/mm2 - Vickers
Comment:
VHN 310 average.
Tenacity:
Brittle
Cleavage:
None Observed
Density:
2.8 g/cm3 (Measured)    2.85 g/cm3 (Calculated)

Optical Data of OlympiteHide

Type:
Biaxial (+)
RI values:
nα = 1.510 nβ = 1.510 nγ = 1.512
2V:
Measured: 46°
Max Birefringence:
δ = 0.002
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively strong

Chemical Properties of OlympiteHide

Formula:
Na5Li(PO4)2
IMA Formula:
LiNa5(PO4)2

Crystallography of OlympiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 10.12 Å, b = 14.79 Å, c = 10.13 Å
Ratio:
a:b:c = 0.684 : 1 : 0.685
Unit Cell V:
1,516.21 ų (Calculated from Unit Cell)

Type Occurrence of OlympiteHide

Place of Conservation of Type Material:
Geology Museum, Kola Branch, Academy of Sciences, Apatity, 5533.
Mining Institute, St. Petersburg, 1208/1.
I.M.G.R.E., Moscow.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 80180.
Geological Setting of Type Material:
Nepheline syenite pegmatite.
Associated Minerals at Type Locality:

Synonyms of OlympiteHide

Other Language Names for OlympiteHide

German:Olympit
Spanish:Olympita

Related Minerals - Nickel-Strunz GroupingHide

8.AA.05AlarsiteAlAsO4Trig. 3 2 : P31 2 1
8.AA.05BerliniteAlPO4Trig. 3 2 : P31 2 1
8.AA.05RodolicoiteFe3+PO4Trig. 3 2 : P31 2 1
8.AA.10BerylloniteNaBePO4Mon. 2/m : P21/b
8.AA.15HurlbutiteCaBe2(PO4)2Mon.
8.AA.20LithiophosphateLi3PO4Orth. mm2 : Pmn21
8.AA.25NalipoiteNaLi2PO4Orth.

Related Minerals - Dana Grouping (8th Ed.)Hide

38.4.10.1LithiophosphateLi3PO4Orth. mm2 : Pmn21
38.4.10.3NalipoiteNaLi2PO4Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.1.1LithiophosphateLi3PO4Orth. mm2 : Pmn21
19.1.3NahpoiteNa2HPO4Mon. 2/m : P21/m
19.1.4DorfmaniteNa2HPO4 · 2H2OOrth.
19.1.5NalipoiteNaLi2PO4Orth.
19.1.6StercoriteNa(NH4)HPO4 · 4H2OTric.
19.1.7Archerite(K,NH4)(H2PO4)Tet. 4 2m : I4 2d
19.1.8Biphosphammite(NH4,K)(H2PO4)Tet. 4 2 2 : I41 2 2
19.1.9Phosphammite(NH4)2(HPO4)Mon. 2/m : P21/b
19.1.10LithiophiliteLiMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
19.1.11SickleriteLi1-x(Mn3+xMn2+1-x)PO4Orth.
19.1.12FerrisickleriteLi1-x(Fe3+xFe2+1-x)PO4Orth.
19.1.13TriphyliteLiFe2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
19.1.14TavoriteLiFe3+(PO4)(OH)Tric. 1 : P1
19.1.15MarićiteNaFe2+(PO4)Orth. mmm (2/m 2/m 2/m) : Pmna

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for OlympiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Khomyakov, A.P., Bykova, A.V., Malinovskii, Y.A. (1980) Olympite, Na3PO4, a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 109(4): 476-479.
Fleischer, M., Pabst, A. (1981) New mineral names. American Mineralogist: 66: 436-439.
Rastsvetaeva, R.K., Khomyakov, A.P. (1992) Crystal structure of the Li-bearing analogue of olympite. Doklady Akademii Nauk: 320(4-6): 499-503. (in Russian)
Malinovskii, Yu.A., Genkina, E.A. (1992) Crystal structure of olympite LiNas[P04]. Soviet Physics Crystallography: 37(6): 772-776.
Rastsvetaeva, R.K., Khomyakov, A.P. (1994) A comparative crystal-chemical study of the lithium-sodium phosphates (lithiophosphate, nalipoite, olympite, and Na3PO4). Crystallography Reports: 39: 35-41.
Jambor, J.L., Roberts, A.C., Puziewicz, J. (1994) New mineral names. American Mineralogist: 79: 570-574.
Jambor, J.L., Puziewicz, J., Roberts, A.C. (1995) New mineral names. American Mineralogist: 80: 404-409.

Internet Links for OlympiteHide

Localities for OlympiteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Murmansk Oblast
    • Khibiny Massif
[Clark, 1993 - "Hey's Mineral Index"]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Belakovskiy D, Smith D G W, Welch M (2013) New mineral names. American Mineralogist 98, 811-815
www.koeln.netsurf.de/~w.steffens/lovo.htm
Mineral and/or Locality  
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