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Smirnite

A valid IMA mineral species
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About SmirniteHide

02337740017077353944983.jpg
Vladimir I. Smirnov
Formula:
Bi2Te4+O5
Colour:
Colourless, gray, light yellow
Hardness:
3½ - 4
Specific Gravity:
7.78
Crystal System:
Orthorhombic
Name:
Named after Vladimir Ivanovich Smirnov (Владимир Иванович Смирнов) (18 (31) January 1910, Moscow, Russian Empire - 16 June 1988, Moscow, USSR), chief of economic minerals studies in the geology department, Moscow State University, a specialist in ore deposit geology. He also served as Vice-President of the International Union of Geological Sciences (1968-1976).
This page provides mineralogical data about Smirnite.


Unique IdentifiersHide

Mindat ID:
3686
Long-form identifier:
mindat:1:1:3686:9
GUID
(UUID V4):
c3340076-768e-4bba-93fc-714576916c32

IMA Classification of SmirniteHide

Classification of SmirniteHide

4.JK.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
K : Tellurites without additional anions, without H2O
Dana 7th ed.:
34.1.9.1
34.1.8.1

34 : SELENITES, TELLURITES AND SULFITES
1 : A(XO3)
28.3.16

28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
SmrIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SmirniteHide

Transparency:
Transparent, Translucent
Colour:
Colourless, gray, light yellow
Comment:
Darkens on exposure to sunlight
Hardness:
3½ - 4 on Mohs scale
Hardness:
VHN20=142 - 227 kg/mm2 - Vickers
Comment:
Great anisotropy
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {010}
Distinct in other directions
Density:
7.78 g/cm3 (Measured)    7.72 g/cm3 (Calculated)

Optical Data of SmirniteHide

Type:
Biaxial (+)
RI values:
nα = 2.350 nβ = 2.360 nγ = 2.460
2V:
Measured: 35° to 40°, Calculated: 38°
Max Birefringence:
δ = 0.110
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Anisotropism:
Strong
Dispersion:
none
Optical Extinction:
Straight extinction.
Reflectivity:
WavelengthR1R2
400nm20.7%19.1%
420nm20.5%18.8%
440nm20.0%18.1%
460nm19.7%17.8%
480nm19.4%17.5%
500nm19.3%17.5%
520nm19.3%17.4%
540nm19.2%17.4%
560nm19.1%17.3%
580nm19.0%17.2%
600nm18.8%17.0%
620nm18.7%16.8%
640nm18.5%16.7%
660nm18.3%16.5%
680nm18.2%16.3%
700nm18.0%16.3%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 20.7%.
R1 shown in black, R2 shown in red
Comments:
Z = a, Y = b, X = c

Chemistry of SmirniteHide

Mindat Formula:
Bi2Te4+O5

Crystallography of SmirniteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 16.447(19) Å, b = 5.513(3) Å, c = 11.579(15) Å
Ratio:
a:b:c = 2.983 : 1 : 2.1
Unit Cell V:
1,049.89 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Crystals tabular to 2mm, aggregates and incrustations.
Comment:
Space Group: Cm2a.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014203SmirniteMercurio D, El Farissi M, Frit B, Goursat P (1983) Etude structurale et densification d'un nouveau materiau piezoelectrique: Bi2TeO5 Materials Chemistry and Physics 9 467-4761983synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.226 Å(100)
2.890 Å(60)
1.996 Å(30)
1.992 Å(28)
1.727 Å(27)
2.743 Å(24)
2.750 Å(23)

Geological EnvironmentHide

Paragenetic Mode(s):
Geological Setting:
Oxidation zone of tellurium bearing hydrothermal ore deposits.

Type Occurrence of SmirniteHide

General Appearance of Type Material:
Tabular crystals up to 2 mm and aggregates, or crusts on quartz and tellurides.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 82767.
Geological Setting of Type Material:
Occurs in fractures of vein quartz and chalcedony, containing the relics of tellurobismuthite, tetradymite, volynskite and galena.
Associated Minerals at Type Locality:
Reference:
Spiridonov, E.M., Demina, L.A., Dolgikh, V.A., Antonina, G.M., Rakcheev, A.D., Bulgak, L.V., Lebedeva, S.I., Chvileva, T.N. (1984) Smirnite Bi2TeO5 - a new mineral. Doklady Akademii Nauk SSSR: 278: 199-202.

Synonyms of SmirniteHide

Other Language Names for SmirniteHide

German:Smirnit
Spanish:Smirnita

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Smirnite associated with TsumoiteBiTe

Related Minerals - Strunz-mindat GroupingHide

4.JK.MatthiasweilitePbTe4+O3Tric. 1 : P1
4.JK.05WinstanleyiteTiTe4+3O8Iso. m3 (2/m 3) : Ia3
4.JK.05Walfordite(Fe3+,Te6+)Te4+3O8Iso. m3 (2/m 3) : Ia3
4.JK.10SpiroffiteMn2+2Te4+3O8Mon. 2/m : B2/b
4.JK.10ZincospiroffiteZn2Te4+3O8Mon. 2/m : B2/b
4.JK.15BalyakiniteCu(TeO3)Orth. mmm (2/m 2/m 2/m)
4.JK.20RajiteCu(Te4+2O5)Mon. 2/m : P21/b
4.JK.25CarlfriesiteCaTe4+2Te6+O8Mon. 2/m : B2/b
4.JK.30Denningite(Mn2+,Ca,Zn)Te4+2O5Tet. 4/mmm (4/m 2/m 2/m) : P42/nbc
4.JK.35ChekhovichiteBi2Te4+4O11Mon. 2/m
4.JK.45Choloalite(Cu,Sb)3(Pb,Ca)3(TeO3)6ClIso. 4 3 2 : P41 3 2
4.JK.50FairbankitePb2+12(Te4+O3)11(SO4)Tric. 1 : P1
4.JK.55PlumbotelluritePb(TeO3)Mon. 2/m : B2/b
4.JK.60Magnolite[Hg2]2+[Te4+O3]Orth. mm2
4.JK.65MoctezumitePb(UO2)(TeO3)2Mon. 2/m : P21/b
4.JK.70Schmitterite(UO2)(TeO3)Orth. mmm (2/m 2/m 2/m)
4.JK.75Cliffordite(UO2)Te4+3O7Iso. m3 (2/m 3) : Pa3

Other InformationHide

Thermal Behaviour:
Melts at 900 C without decomposition.
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 SmirniteHide

References for SmirniteHide

Localities for SmirniteHide

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 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.
Armenia (TL)
 
  • Gegharkunik Province
    • Sotk
Spiridonov et al. (1984) +1 other reference
Georgia
 
  • Racha-Lechkhumi and Kvemo Svaneti
    • Svaneti District
Kekelia et al. (2017)
Kazakhstan
 
  • Akmola Region
    • Stepnogorsk
      • Aksu (Aqsu)
Pekov (1998) +1 other reference
Poland
 
  • Lower Silesian Voivodeship
    • Kamienna Góra County
      • Gmina Kamienna Góra
        • Rędziny
Pieczka et al. (2011)
Russia
 
  • Chukotka Autonomous Okrug
    • Okhotsk-Chukotka belt
Sidorov et al. (2007, November)
  • Sakha
    • Aldan
      • Verkhealgominsky
Kondratieva et al. (2021)
    • Aldansky District
[[1]]Kondratieva et al. (2023)
  • Sverdlovsk Oblast
    • Yekaterinburg
Pavel.M. Kartashov (n.d.)
Spain
 
  • Andalusia
    • Málaga
      • Estepona
Romero Silva +3 other references
Ukraine
 
  • Zakarpattia Oblast
    • Mukachevo Raion
      • Il'kivtsy
Pekov (1998) +1 other reference
 
Mineral and/or Locality  
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