Isolueshite
A valid IMA mineral species
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About Isolueshite
Formula:
(Na,La)NbO3
Colour:
Brownish-black
Lustre:
Adamantine
Hardness:
5½
Specific Gravity:
4.72
Crystal System:
Isometric
Member of:
Name:
The name reflects its isometric habit, optical isotropism and compositional similarity to its monoclinic polymorph, lueshite.
Polymorph of:
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.
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.
Unique Identifiers
Mindat ID:
7114
Long-form identifier:
mindat:1:1:7114:3
GUID
(UUID V4):
(UUID V4):
e0f04132-e404-42be-8577-236a772de163
IMA Classification of Isolueshite
Classification of Isolueshite
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
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
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Isl | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Isolueshite
Adamantine
Transparency:
Opaque
Colour:
Brownish-black
Streak:
Pale-yellow
Hardness:
5½ on Mohs scale
Comment:
The microhardness (70-g) is slightly higher on {110}, compared to {100}: 544-616 and 479-544, respectively.
Tenacity:
Brittle
Cleavage:
None Observed
No evidence of the pseudocubic cleavage typical of lueshite and perovskite.
No evidence of the pseudocubic cleavage typical of lueshite and perovskite.
Fracture:
Irregular/Uneven
Density:
4.72(1) g/cm3 (Measured) 4.69 g/cm3 (Calculated)
Optical Data of Isolueshite
Type:
Isotropic
Reflectivity:
Wavelength | R |
---|---|
16.05 (460)15.75 (480)15.50 (500)15.25 (520)15.00 (540)14.80 (560)14.70 (580)14.55 (600)14.45 (620)14.40 (640)14.35 (660)14.35 (680)14.35 (700)nm | 6.55 (440% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 6.55 (440%.
Colour in reflected light:
Bluish.
Internal Reflections:
Reddish-brown.
Chemistry of Isolueshite
Mindat Formula:
(Na,La)NbO3
Elements listed:
Crystallography of Isolueshite
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
Morphology:
Combination of cube and rhombic dodecahedron.
Comment:
Spacegroup: Pm3¯m (Krivovichev et al., 2000); also Zaitsev et al. (2017)
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0006836 | Isolueshite | Krivovichev S V, Chakhmouradian A R, Mitchell R H, Filatov S K, Chukanov N V (2000) Crystal structure of isolueshite and its synthetic compositional analogue European Journal of Mineralogy 12 597-607 | 2000 | 0 | 293 | ||
0006837 | Isolueshite | Krivovichev S V, Chakhmouradian A R, Mitchell R H, Filatov S K, Chukanov N V (2000) Crystal structure of isolueshite and its synthetic compositional analogue European Journal of Mineralogy 12 597-607 | 2000 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.765 Å | (100) |
1.953 Å | (53) |
3.915 Å | (35) |
1.594 Å | (30) |
1.380 Å | (22) |
Comments:
Khibina alkaline complex, Kola Peninsula, Russia. The data are from the type description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Isolueshite
General Appearance of Type Material:
Euhedral crystals and their occasional intergrowths enclosed in microcline and sodalite. The crystals reach 0.3 mm in diameter and are a combination of cube and rhombic dodecahedron.
Place of Conservation of Type Material:
Department of Geology, St. Petersburg State University, St. Petersburg, Russia, number 1/18271 (cotype).
Mining Museum, St. Petersburg, Russia, number 3007, 2095/1 (cotype).
Mining Museum, St. Petersburg, Russia, number 3007, 2095/1 (cotype).
Geological Setting of Type Material:
A hydrothermally-altered pegmatite vein in urtite-ijolite.
Associated Minerals at Type Locality:
Synonyms of Isolueshite
Other Language Names for Isolueshite
Relationship of Isolueshite to other Species
Member of:
Other Members of this group:
Barioperovskite | BaTiO3 | Orth. mm2 : Amm2 |
Goldschmidtite | KNbO3 | Iso. m3m (4/m 3 2/m) : Pm3m |
Lakargiite | Ca(Zr,Sn,Ti)O3 | Orth. mmm (2/m 2/m 2/m) : Pnma |
Loparite-(Ce) | (Na,REE)2Ti2O6 | Iso. m3m (4/m 3 2/m) |
Lueshite | NaNbO3 | Orth. mmm (2/m 2/m 2/m) |
Macedonite | PbTiO3 | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Megawite | CaSnO3 | Orth. mmm (2/m 2/m 2/m) : Pban |
Perovskite | CaTiO3 | Orth. mmm (2/m 2/m 2/m) : Pnma |
Tausonite | SrTiO3 | Iso. 4 3m |
Related Minerals - Strunz-mindat Grouping
4.CC. | Xuite | Ca3Fe3+2[(AlO3(OH)]3 |
4.CC. | Allendeite | Sc4Zr3O12 |
4.CC. | Bitikleite | Ca3(Sb5+Sn4+)[AlO4]3 |
4.CC. | Yttriaite-(Y) | Y2O3 |
4.CC. | Chlorkyuygenite | Ca12Al14O32[(H2O)4Cl2] |
4.CC. | Anzaite-(Ce) | Ce3+ 4Fe2+Ti6O18 (OH)2 |
4.CC. | Heamanite-(Ce) | (K0.5Ce0.5)TiO3 |
4.CC. | Priscillagrewite-(Y) | (Ca2Y)Zr2(AlO4)3 |
4.CC. | Saranovskite | SrCaFe2+2(Cr4Ti2)Ti12O38 |
4.CC. | Botuobinskite | SrFe2+Mg2(Cr3+6Ti4+12)[O36(OH)2] |
4.CC. | Mirnyite | SrZr4+Mg2(Cr3+6Ti4+12)O38 |
4.CC. | Haitaite-(La) | LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38 |
4.CC. | Shagamite | KFe11O17 |
4.CC.05 | Chrombismite | Bi3+16Cr6+O27 |
4.CC.10 | Freudenbergite | Na2(Ti,Fe)8O16 |
4.CC.10 | Fluormayenite | Ca12Al14O32F2 |
4.CC.10 | Fluorkyuygenite | Ca12Al14O32[(H2O)4F2] |
4.CC.15 | Grossite | CaAl4O7 |
4.CC.17 | Goldschmidtite | KNbO3 |
4.CC.20 | Chlormayenite | Ca12Al14O32[◻4Cl2] |
4.CC.20 | Unnamed (HBU UK-4) | NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38 |
4.CC.20 | Paseroite | PbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 |
4.CC.20 | Mianningite | (◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38 |
4.CC.20 | UM1987-03-O:FePbTiU | ~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38 |
4.CC.22 | Kahlenbergite | KAl11O17 |
4.CC.22 | Gorerite | CaAlFe3+11O19 |
4.CC.25 | Yafsoanite | Ca3Te6+2(ZnO4)3 |
4.CC.25 | Nixonite | Na2Ti6O13 |
4.CC.30 | Latrappite | Ca2NbFe3+O6 |
4.CC.30 | Lueshite | NaNbO3 |
4.CC.30 | Natroniobite | NaNbO3 |
4.CC.30 | Perovskite | CaTiO3 |
4.CC.30 | Barioperovskite | BaTiO3 |
4.CC.30 | Lakargiite | Ca(Zr,Sn,Ti)O3 |
4.CC.30 | Megawite | CaSnO3 |
4.CC.32 | Usturite | Ca3(Sb5+Zr)[Fe3+O4]3 |
4.CC.32 | Elbrusite | Ca3(U6+0.5Zr1.5)[Fe3+O4]3 |
4.CC.32 | Dzhuluite | Ca3(Sb5+Sn4+)[Fe3+O4]3 |
4.CC.32 | Monteneveite | Ca3Sb5+2(Fe3+2Fe2+)O12 |
4.CC.35 | Loparite-(Ce) | (Na,REE)2Ti2O6 |
4.CC.35 | Macedonite | PbTiO3 |
4.CC.35 | Tausonite | SrTiO3 |
4.CC.35 | Panguite | (Ti,Al,Sc,Mg,Zr,Ca)1.8O3 |
4.CC.37 | Pauloabibite | NaNbO3 |
4.CC.40 | Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
4.CC.40 | Davidite-(Ce) | Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 |
4.CC.40 | Davidite-(La) | La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 |
4.CC.40 | Davidite-(Y) | (La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical) |
4.CC.40 | Landauite | NaMnZn2(Ti,Fe)6Ti12O38 |
4.CC.40 | Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
4.CC.40 | Loveringite | (Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38 |
4.CC.40 | Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
4.CC.40 | Senaite | Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38 |
4.CC.40 | Uhligite | Ca3(Ti,Al,Zr)9O20 ? |
4.CC.40 | Dessauite-(Y) | (Sr,Pb)(Y,U)(Ti,Fe3+)20O38 |
4.CC.40 | Cleusonite | (Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38 |
4.CC.40 | Gramaccioliite-(Y) | (Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38 |
4.CC.45 | Diaoyudaoite | NaAl11O17 |
4.CC.45 | Hawthorneite | BaMgTi3Cr4Fe2+2Fe3+2O19 |
4.CC.45 | Hibonite | CaAl12O19 |
4.CC.45 | Lindqvistite | Pb2Mn2+Fe16O27 |
4.CC.45 | Magnetoplumbite | (Pb,Mn)(Fe,Mn)12O19 |
4.CC.45 | Plumboferrite | Pb2(Fe3+,Mn2+,Mg)11O19 |
4.CC.45 | Yimengite | K(Cr,Ti,Fe,Mg)12O19 |
4.CC.45 | Haggertyite | BaFe2+4Fe3+2Ti5MgO19 |
4.CC.45 | Nežilovite | PbZn2Mn4+2Fe3+8O19 |
4.CC.45 | Batiferrite | BaTi2Fe3+8Fe2+2O19 |
4.CC.45 | Chihuahuaite | FeAl12O19 |
4.CC.45 | Barioferrite | BaFe3+12O19 |
4.CC.45 | Kangite | (Sc,Ti,Al,Zr,Mg,Ca,◻)2O3 |
4.CC.45 | Mizraite-(Ce) | Ce(Al11Mg)O19 |
4.CC.50 | Jeppeite | (K,Ba)2(Ti,Fe)6O13 |
4.CC.55 | Zenzénite | Pb3Fe3+4Mn4+3O15 |
4.CC.60 | Mengxianminite (of Huang et al.) | (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 |
Other Information
IR Spectrum:
Two major absorption bands at 415 cm-1 and 600 cm-1, as well as a general spectrum pattern indicate correspondence of isolueshite to the perovskite group.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Isolueshite
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https://www.mindat.org/min-7114.html
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References for Isolueshite
Localities for Isolueshite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| Chakhmouradian et al. (1997) +1 other reference |
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Kirovskii apatite mine, Kukisvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia