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Aleksite

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Formula:
PbBi2Te2S2
Colour:
In polished section, very pale gray with slight greenish tint
Lustre:
Metallic
Hardness:
Specific Gravity:
7.80 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
Named after its discovery locality in Russia.
Hide all sections | Show all sections

Classification of AleksiteHide

Approved
First Published:
1978
2.GC.40a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
2.6.3.2

2 : SULFIDES
6 : AmBnXp, with (m+n):p = 4:3
3.7.39

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi

Physical Properties of AleksiteHide

Metallic
Transparency:
Opaque
Colour:
In polished section, very pale gray with slight greenish tint
Hardness:
2½ on Mohs scale
Hardness:
VHN20=40 - 65 kg/mm2 - Vickers
Cleavage:
Perfect
on {0001}
Density:
7.80 g/cm3 (Calculated)

Optical Data of AleksiteHide

Type:
Anisotropic
Anisotropism:
weak
Reflectivity:
460nmR=51.4%
480nmR=51.8%
500nmR=52.7%
520nmR=52.8%
540nmR=53.2%
560nmR=53.1%
580nmR=53.4%
600nmR=53.9%
620nmR=53.9%
640nmR=54.2%
660nmR=54.5%
680nmR=54.4%
700nmR=54.9%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 54.9%.
Colour in reflected light:
Light pale gray with greenish tint

Chemical Properties of AleksiteHide

Formula:
PbBi2Te2S2

Crystallography of AleksiteHide

Crystal System:
Trigonal
Cell Parameters:
a = 4.238(1) Å, c = 79.76(2) Å
Ratio:
a:c = 1 : 18.82
Unit Cell V:
1,240.62 ų (Calculated from Unit Cell)
Z:
6
Morphology:
Platy grains to 1mm.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.6027 (18)
3.3230 (26)
3.0796 (100)
2.2464 (51)
2.1160 (49)
1.9733 (28)
1.7447 (30)
Comments:
Synthetic (ICDD 51-640).

Type Occurrence of AleksiteHide

Place of Conservation of Type Material:
Gosudarst University, Moscow; Moscow University, Moscow; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 79060.

Synonyms of AleksiteHide

Other Language Names for AleksiteHide

German:Aleksit
Simplified Chinese:硫碲铋铅矿
Spanish:Aleksita
Traditional Chinese:硫碲鉍鉛礦

Relationship of Aleksite to other SpeciesHide

Member of:
Other Members of this group:
BabkinitePb2Bi2(S,Se)3Trig.
KochkaritePbBi4Te7Trig.
PoubaitePbBi2(Se,Te,S)4Trig.
RucklidgeitePbBi2Te4Trig.
SaddlebackitePb2Bi2Te2S3Hex.

Common AssociatesHide

Related Minerals - Nickel-Strunz GroupingHide

2.GC.05HatchiteAgTlPbAs2S5Tric. 1 : P1
2.GC.05Wallisite(Cu,Ag)TlPbAs2S5Tric.
2.GC.10SinneriteCu6As4S9Tric. 1 : P1
2.GC.15WatanabeiteCu4(As,Sb)2S5Orth.
2.GC.20SimoniteTlHgAs3S6Mon. 2/m
2.GC.25QuadratiteAg(Cd,Pb)AsS3Tet.
2.GC.25ManganoquadratiteAgMnAsS3Tet. 4 2 2 : P43 2 2
2.GC.30SmithiteAgAsS2Mon. 2/m
2.GC.35TrechmanniteAgAsS2Trig.
2.GC.40bKochkaritePbBi4Te7Trig.
2.GC.40cPoubaitePbBi2(Se,Te,S)4Trig.
2.GC.40cRucklidgeitePbBi2Te4Trig.
2.GC.40eBabkinitePb2Bi2(S,Se)3Trig.
2.GC.40dSaddlebackitePb2Bi2Te2S3Hex.
2.GC.45TvalchrelidzeiteHg3SbAsS3Mon. 2/m
2.GC.50MutnovskitePb4As2S6IClOrth. mmm (2/m 2/m 2/m) : Pnma

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

2.6.3.BabkinitePb2Bi2(S,Se)3Trig.
2.6.3.1KochkaritePbBi4Te7Trig.
2.6.3.3HedleyiteBi7Te3Trig. 3m (3 2/m) : R3m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.7.1PatróniteVS4Mon.
3.7.2DuranusiteAs4SOrth. mmm (2/m 2/m 2/m) : Pmna
3.7.3DimorphiteAs4S3Orth. mmm (2/m 2/m 2/m) : Pnma
3.7.4RealgarAs4S4Mon. 2/m
3.7.5PararealgarAs4S4Mon. 2/m : P21/b
3.7.6AlacrániteAs8S9Mon. 2/m : P2/b
3.7.7UzoniteAs4S5Mon.
3.7.8OrpimentAs2S3Mon. 2/m
3.7.9JeromiteAmor.
3.7.10LaphamiteAs2(Se,S)3Mon. 2/m
3.7.11GetchelliteAsSbS3Mon. 2/m : P21/b
3.7.12Wakabayashilite[(As,Sb)6S9][As4S5]Orth. mm2 : Pna21
3.7.13PääkköneniteSb2AsS2Mon. 2/m : B2/m
3.7.14StibniteSb2S3Orth. mmm (2/m 2/m 2/m)
3.7.15MetastibniteSb2S3Amor.
3.7.16TellurantimonySb2Te3Trig.
3.7.17BismuthiniteBi2S3Orth. mmm (2/m 2/m 2/m)
3.7.18NevskiteBi(Se,S)Trig.
3.7.19GuanajuatiteBi2Se3Orth. mmm (2/m 2/m 2/m) : Pnma
3.7.21IkunoliteBi4(S,Se)3Trig.
3.7.22LaitakariteBi4Se2STrig. 3m : R3m
3.7.23PoubaitePbBi2(Se,Te,S)4Trig.
3.7.24TellurobismuthiteBi2Te3Trig.
3.7.25SoučekitePbCuBi(S,Se)3Orth.
3.7.26TsumoiteBiTeTrig. 3m (3 2/m) : P3 1m
3.7.27PilseniteBi4Te3Trig. 3m (3 2/m) : R3m
3.7.28HedleyiteBi7Te3Trig. 3m (3 2/m) : R3m
3.7.29TetradymiteBi2Te2STrig. 3m (3 2/m) : R3m
3.7.30JoséiteBi4TeS2Trig. 3m (3 2/m) : R3m
3.7.31Joséite-BBi4Te2STrig.
3.7.32IngoditeBi2TeSTrig.
3.7.33SulphotsumoiteBi3Te2STrig.
3.7.34KawazuliteBi2Te2SeTrig.
3.7.36SkippeniteBi2TeSe2Trig.
3.7.37KochkaritePbBi4Te7Trig.
3.7.38RucklidgeitePbBi2Te4Trig.
3.7.40JunoiteCu2Pb3Bi8(S,Se)16Mon. 2/m : B2/m

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 AleksiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lipovetskii, A.G., Borodaev, Y.S., Zav´yalov, E.N. (1978) Aleksite, PbBi2Te2S2, a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 107(3): 315-321. [in Russian]
Fleischer, M., Mandarino, J.A., Chao, G.Y. (1979) New mineral names. American Mineralogist: 64: 652-659.
Bevins, R.E., Stanley, C.J. (1990) Aleksite, a lead bismuth sulfotelluride; a second world occurrence from the Dolgellau gold belt, Gwynedd, Wales. Journal of the Russell Society: 3(2): 67–69.

Internet Links for AleksiteHide

Localities for AleksiteHide

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.
Australia
 
  • Western Australia
    • Boddington Shire
      • Boddington
[MinRec 39:476]
    • Kalgoorlie-Boulder Shire
      • Kalgoorlie-Boulder
Mueller, Andreas G.; Lawrance, Louisa M.; Muhling, Janet; Pooley, Gregory D. (2012): Mineralogy and PTX relationships of the Archean Hannan South Au-Cu (Co-Bi) deposit, Kalgoorlie, Western Australia: thermodynamic constraints on the formation of a zoned intrusion-related skarn. Economic Geology 107, 1-24.
Austria
 
  • Carinthia
    • Hohe Tauern
      • Goldberg group
        • Innerfragant
          • Großfragant
Cook, N.J., Ciobanu, C.L., Stanley, C.J., Paar, W.H., and Sundblad, K. (2007): Canadian Mineralogist 45(3), 417-435.
Brazil
 
  • Goiás
    • Campinorte
Handbook of Mineralogy
Bulgaria
 
  • Kardzhali Oblast (Kurdzhali; Kărdžali; Kurdjali)
Handbook of Mineralogy
Canada
 
  • Ontario
    • Cochrane District
      • Timmins area
Handbook of Mineralogy
China
 
  • Hainan Province (Hainan Island)
    • Ledong Co.
Bin Shu, Ping'an Wang, Faxian Dong, and Zhongjian Li (2006): Geological Bulletin of China 25(6), 745-755
  • Hebei Province
    • Zhangjiakou Prefecture
      • Shangyi Co.
Yu Wang, Xinming Jiang, Muyuan Shang, and Zhengkun Wang (1991): First discovery of Aleksite. Bulletin of Mineralogy, Petrology and Geochemistry 10(3), 207-208
  • Henan Province
    • Luoyang Prefecture
      • Song Co.
Wanzhong Li (2011): Geological Survey and Research 35(2), 126-132
  • Qinghai Province
    • Haixi Autonomous Prefecture
      • Da Qaidam Co. (Dachaidan Co.)
        • Xitieshan
Wang, L., Zhu, X., Wang, J., Deng, J., Wang, Y., and Zhu, H. (2006): Proceedings of the XIIIth International conference on thermobarogeochemistry and IVth APIFIS symposium, Vol. 2, 173-175
Japan
 
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
        • Uetsu
Izumino, Y., & Nakashima, K. (2015). Bismuth minerals from the W–Mo–Sn deposits hosted in the Iwafune granitoids, Niigata Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 110(6), 300-312.
      • Shizuoka Prefecture
        • Shimoda City
          • Rendaiji
Int Geol Congr (2008) Oslo. MRD-09
    • Chugoku Region
      • Shimane Prefecture
        • Masuda
The Mineral Species of Japan (5th ed) Matsubara
  • Kyushu Region
    • Fukuoka prefecture
      • Kitakyushu City
The Mineral Species of Japan (5th ed) Matsubara
      • Tagawa-gun
        • Kawara
Handbook of Mineralogy
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Altai Mts (Rudnyi Altai)
Baibatsha, A., Dyussembayeva, K., & Kassenova, A. (2015). Microparagenetic Associations of Gold in Ore-Forming Minerals from Deposits of Different Geological and Industrial Types of Kazakhstan. In Proceedings of the 11th International Congress for Applied Mineralogy (ICAM) (pp. 1-8). Springer International Publishing.
Romania
 
  • Bihor Co.
    • Nucet
www.minerals-of-the carpathians.eu (2009)
  • Harghita Co.
    • Ditrău (Ditró)
Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
  • Hunedoara Co.
    • Deva
Cook, N. J., Ciobanu, C. L., Capraru, N., Damian, G., & Cristea, P. (2005). Mineral assemblages from the vein salband at Sacarimb, Golden Quadrilateral, Romania: II. Tellurides. Geokhimiia, Mineralogiia i Petrologiia, 43, 56-63.
Russia (TL)
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Stanovoi Range
        • Sutamskii Region
[ZVMO,(1978) 107, 315-321; Clark, 1993 - "Hey's Mineral Index, 3rd Edition"]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Plast
          • Kochkar' District
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Bindi L, Cipriani C (2004) The crystal structure of skippenite, Bi2Se2Te, from the Kochkar deposit, southern Urals, Russian Federation, The Canadian Mineralogist 42, 835-840
Spain
 
  • Andalusia
    • Málaga
      • Estepona
Romero Silva,JC; Martos J; Navarro Garcia,JM (2012). La Mina Conchita de Estepona (Malaga). un raro yacimiento de metales complejos en Sierra Bermeja. Edita Anuario de Estudios sobre Ronda y la Serrania Takurunna nº2; año 2012 pag.9.
UK
 
  • Wales
    • Gwynedd
      • Dolgellau Gold Belt
        • Bontddu
Cook, N.J., Ciobanu, C.L., Stanley, C.J., Paar, W.H., and Sundblad, K. (2007): Canadian Mineralogist 45(3), 417-435.
USA
 
  • Nevada
    • Nye Co.
      • Hot Creek Range
        • Tybo District
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
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