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Isolueshite

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About IsolueshiteHide

Formula:
(Na,La)NbO3
Lustre:
Adamantine
Hardness:
Crystal System:
Isometric
Name:
The name reflects its isometric habit, optical isotropism and compositional similarity to its monoclinic polymorph, lueshite.
The crystal structure comprises the 12-coordinated A site located at the corners of the cubic primitive cell, and octahedral B site in the center of the unit-cell.

Zaitsev et al. (2017) also suggest isolueshite being a quenched and kinetically favored polymorph of lueshite, resulting from rapid crystallization as a cause of a sudden drop in T and/or P.



Classification of IsolueshiteHide

Approved
4.CC.35

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
C : With large and medium-sized cations

Physical Properties of IsolueshiteHide

Adamantine
Hardness:
5½ on Mohs scale

Optical Data of IsolueshiteHide

Type:
Isotropic

Chemical Properties of IsolueshiteHide

Formula:
(Na,La)NbO3
IMA Formula:
NaNbO3

Crystallography of IsolueshiteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Pm3m
Setting:
Pm3m
Cell Parameters:
a = 3.9045(5) Å
Unit Cell V:
59.525 ų
Comment:
Spacegroup: Pm3¯m (Krivovichev et al., 2000); also Zaitsev et al. (2017)

Type Occurrence of IsolueshiteHide

Synonyms of IsolueshiteHide

Other Language Names for IsolueshiteHide

Relationship of Isolueshite to other SpeciesHide

Other Members of this group:
BarioperovskiteBaTiO3Orth. mm2 : Amm2
GoldschmidtiteKNbO3Iso. m3m (4/m 3 2/m) : Pm3m
Loparite-(Ce)(Na,REE)Ti2O6
LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
MegawiteCaSnO3Orth. mmm (2/m 2/m 2/m) : Pban
PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
TausoniteSrTiO3Iso. 4 3m

Related Minerals - Nickel-Strunz GroupingHide

4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.Yttriaite-(Y)Y2O3Iso.
4.CC.05ChrombismiteBi16CrO27Tet.
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16Mon.
4.CC.15GrossiteCaAl4O7Mon. 2/m : B2/b
4.CC.20ChlormayeniteCa12Al14O32[⃞4Cl2]Iso. 4 3m : I4 3d
4.CC.25YafsoaniteCa3Zn3(TeO6)2Iso. m3 (2/m 3)
4.CC.30LatrappiteCa2NbFe3+O6Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
4.CC.30NatroniobiteNaNbO3Mon.
4.CC.30PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30BarioperovskiteBaTiO3Orth. mm2 : Amm2
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30MegawiteCaSnO3Orth. mmm (2/m 2/m 2/m) : Pban
4.CC.35Loparite-(Ce)(Na,REE)Ti2O6
4.CC.35MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.CC.35TausoniteSrTiO3Iso. 4 3m
4.CC.40CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig.
4.CC.40Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,⃞)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
4.CC.40Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
4.CC.40Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.
4.CC.40Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
4.CC.40SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
4.CC.40Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3
4.CC.45DiaoyudaoiteNaAl11O17Hex.
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45Hibonite(Ca,Ce)(Al,Ti,Mg)12O19Hex.
4.CC.45LindqvistitePb2Mn2+Fe16O27Hex.
4.CC.45Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19Hex.
4.CC.45PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2 : P3 1 2
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19Hex.
4.CC.45HaggertyiteBaFe2+4Fe3+2Ti5MgO19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45NežilovitePbZn2Mn4+2Fe3+8O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BatiferriteBaTi2Fe3+8Fe2+2O19Hex.
4.CC.45Hibonite-(Fe)(Fe,Mg)Al12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BarioferriteBaFe3+12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.50Jeppeite(K,Ba)2(Ti,Fe)6O13Mon.
4.CC.55ZenzénitePb3Fe4Mn3O15Hex.
4.CC.60Mengxianminite (of Huang et al.)(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

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 IsolueshiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chakhmouradian, A.R., Yakovenchuk, V., Mitchell, R.H. and Bogdanova, A.(1997) Isolueshite (1997) new mineral of the perovskite group from the Khibina alkaline complex. European Journal of Mineralogy: 9: 483-490.
Mineralogical Record: 29: 236-237.
Chakhmouradian, A.R. and Mitchell, R.H. (1998) Compositional variation of perovskite-group minerals from the Khibina complex, Kola peninsula, Russia. The Canadian Mineralogist: 36: 953-969.
Krivovichev, S.V., Chakhmouradian, A.R., Mitchell, R.H., Filatov, S.K. and Chukanov, N.V. (2000). Crystal structure of isolueshite and its synthetic compositional analogue. European Journal of Mineralogy: 12: 597-607
Mitchell, R., Welch, M.D., Chakhmouradian, A.R. (2016): Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition. Mineralogical Magazine: 80 (in press); https://doi.org/10.1180/minmag.2016.080.156
Zaitsev, A.N., Zhitova, E.S., Spratt, J., Zolotarev, A.A., Krivovichev, S.V. (2017): Isolueshite, NaNbO3, from the Kovdor carbonatite, Kola peninsula, Russia: composition, crystal structure and possible formation scenarios. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geochemistry: 194: in press; http://forum.amiminerals.it/viewtopic.php?f=5&t=13644 (2017)

Internet Links for IsolueshiteHide

Localities for IsolueshiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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
      • Kukisvumchorr Mt
Chakhmouradian, A.R., Yakovenchuk, V., Mitchell, R.H. and Bogdanova, A.(1997) Isolueshite (1997) new mineral of the perovskite group from the Khibina alkaline complex. European Journal of Mineralogy: 9: 483-490; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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