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Aleksite

Formula:
PbBi
 
2
Te
 
2
S
 
2
System:TrigonalColour:Grey
Lustre:MetallicHardness:2½
Name:Named after its discovery locality in Russia.


Aleksite Group.

Classification of Aleksite

IMA status:Approved
Strunz 8th edition ID:2/D.12-20
Nickel-Strunz 10th (pending) edition ID:2.GC.40a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
Dana 8th edition ID:2.6.3.2

2 : SULFIDES
6 : AmBnXp, with (m+n):p = 4:3
Hey's CIM Ref.: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
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Type Occurrence of Aleksite

Type Locality:Alekseevskoye Au Mine, Sutamskii Region, Stanovoi Range, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Place of Conservation of Type Material:Gosudart University, Moscow, Russia
Year of Discovery:1978

Occurrences of Aleksite

Geological Setting:Hydrothermal veins

Physical Properties of Aleksite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Grey
Hardness (Mohs):2½
Hardness (Vickers):VHN20=40 - 65 kg/mm2
Cleavage:Perfect
on {0001}
Density (calculated):7.80 g/cm3

Crystallography of Aleksite

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

Optical Data of Aleksite

Type:Anisotropic
Anisotropism:weak
Colour in reflected light:Light pale gray with greenish tint

Chemical Properties of Aleksite

Formula:
PbBi
 
2
Te
 
2
S
 
2
Essential elements:Bi, Pb, S, Te
All elements listed in formula:Bi, Pb, S, Te

Relationship of Aleksite to other Species

Member of Group:
Aleksite Group:
Common Associates:
GoldGalenaAltaiteTetradymiteRucklidgeite
Quartz
Related Minerals - Nickel-Strunz Grouping):

- +
2.GC.05Hatchite
AgTlPbAs
 
2
S
 
5
2.GC.05Wallisite
(Cu,Ag)TlPbAs
 
2
S
 
5
2.GC.10Sinnerite
Cu
 
6
As
 
4
S
 
9
2.GC.15Watanabeite
Cu
 
4
(As,Sb)
 
2
S
 
5
2.GC.20Simonite
TlHgAs
 
3
S
 
6
2.GC.25Quadratite
Ag(Cd,Pb)AsS
 
3
2.GC.30Smithite
AgAsS
 
2
2.GC.35Trechmannite
AgAsS
 
2
2.GC.40bKochkarite
PbBi
 
4
Te
 
7
2.GC.40cPoubaite
PbBi
 
2
(Se,Te,S)
 
4
2.GC.40cRucklidgeite
(Bi,Pb)
 
3
Te
 
4
2.GC.40eBabkinite
Pb
 
2
Bi
 
2
(S,Se)
 
3
2.GC.40dSaddlebackite
Pb
 
2
Bi
 
2
Te
 
2
S
 
3
2.GC.45Tvalchrelidzeite
Hg
 
3
SbAsS
 
3
2.GC.50Mutnovskite
Pb
 
4
As
 
2
S
 
6
ICl
Related Minerals - Hey's Index Grouping:

- +
3.7.1Patrónite
VS
 
4
3.7.2Duranusite
As
 
4
S
3.7.3Dimorphite
As
 
4
S
 
3
3.7.4Realgar
As
 
4
S
 
4
3.7.5Pararealgar
As
 
4
S
 
4
3.7.6Alacránite
As
 
8
S
 
9
3.7.7Uzonite
As
 
4
S
 
5
3.7.8Orpiment
As
 
2
S
 
3
3.7.9Jeromite
3.7.10Laphamite
As
 
2
(S,Se)
 
3
3.7.11Getchellite
AsSbS
 
3
3.7.12Wakabayashilite
[(As,Sb)
 
6
S
 
9
][As
 
4
S
 
5
]
3.7.13Pääkkönenite
Sb
 
2
AsS
 
2
3.7.14Stibnite
Sb
 
2
S
 
3
3.7.15Metastibnite
Sb
 
2
S
 
3
3.7.16Tellurantimony
Sb
 
2
Te
 
3
3.7.17Bismuthinite
Bi
 
2
S
 
3
3.7.18Nevskite
Bi(Se,S)
3.7.19Guanajuatite
Bi
 
2
(Se,S)
 
3
3.7.21Ikunolite
Bi
 
4
(S,Se)
 
3
3.7.22Laitakarite
Bi
 
4
Se
 
2
S
3.7.23Poubaite
PbBi
 
2
(Se,Te,S)
 
4
3.7.24Tellurobismuthite
Bi
 
2
Te
 
3
3.7.25Součekite
PbCuBi(S,Se)
 
3
3.7.26Tsumoite
BiTe
3.7.27Pilsenite
Bi
 
4
Te
 
3
3.7.28Hedleyite
Bi
 
7
Te
 
3
3.7.29Tetradymite
Bi
 
2
Te
 
2
S
3.7.30Joséite
Bi
 
4
TeS
 
2
3.7.31Joséite-B
Bi
 
4
Te
 
2
S
3.7.32Ingodite
Bi
 
2
TeS
3.7.33Sulphotsumoite
Bi
 
3
Te
 
2
S
3.7.34Kawazulite
Bi
 
2
Te
 
2
Se
3.7.36Skippenite
Bi
 
2
TeSe
 
2
3.7.37Kochkarite
PbBi
 
4
Te
 
7
3.7.38Rucklidgeite
(Bi,Pb)
 
3
Te
 
4
3.7.40Junoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16

Other Names for Aleksite

Synonyms:
IMA1977-038
Other Languages:
German:Aleksit
Spanish:Aleksita

Other Information

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

References for Aleksite

Reference List:American Mineralogist: 64: 652.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva and Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 107: 315-321.

Internet Links for Aleksite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Aleksite details from Handbook of Mineralogy (PDF)
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    Localities for Aleksite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Western Australia
      • Mt Saddleback
        • Boddington
    		[MinRec 39:476]
    Austria
     
    • Carinthia
      • Hohe Tauern Mts
        • Goldberg group
          • Innerfragant
            • Großfragant
    		W. Günther, W. Paar, F. Gruber, V. Höck: Schatzkammer Hohe Tauern - 2000 Jahre Goldbergbau, Anton Pustet (Salzburg, Munich), 2000
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • Shimoda City
            • Rendaiji
    		Int Geol Congr (2008) Oslo. MRD-09
      • Chugoku Region
        • Shimane Prefecture
    		The Mineral Species of Japan (5th ed) Matsubara
    • Kyushu Island
      • Fukuoka prefecture
        • Kitakyushu City
    		The Mineral Species of Japan (5th ed) Matsubara
    Romania
     
    • Bihor Co.
      • Nucet
    		www.minerals-of-the carpathians.eu (2009)
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha 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
    UK
     
    • Wales
      • Gwynedd (Merionethshire)
        • Dolgellau Gold Belt
          • Bontddu
    		BMS Database
    USA
     
    • Nevada
      • Nye Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • Tybo District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
    Google
     
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