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Saddlebackite

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Formula:
Pb
 
2
Bi
 
2
Te
 
2
S
 
3
System:HexagonalLustre:Metallic
Hardness:2 - 2½
Member of:Aleksite Group
Name:Named after its locality.


Aleksite Group.

Classification of Saddlebackite

IMA status:Approved
Strunz 8th edition ID:2/D.12-55
Nickel-Strunz 10th (pending) edition ID:2.GC.40d

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:2.2.7.

2 : SULFIDES
2 : AmBnXp, with (m+n):p = 3:1
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Type Occurrence of Saddlebackite

Type Locality:Boddington Au Mine, Boddington, Mt Saddleback, Western Australia, Australia

Physical Properties of Saddlebackite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Hardness (Mohs):2 - 2½

Crystallography of Saddlebackite

Crystal System:Hexagonal

Chemical Properties of Saddlebackite

Formula:
Pb
 
2
Bi
 
2
Te
 
2
S
 
3
Essential elements:Bi, Pb, S, Te
All elements listed in formula:Bi, Pb, S, Te

Relationship of Saddlebackite to other Species

Member of:Aleksite Group
Other Members of Group:

- +
Aleksite
PbBi
 
2
Te
 
2
S
 
2
Babkinite
Pb
 
2
Bi
 
2
(S,Se)
 
3
Kochkarite
PbBi
 
4
Te
 
7
Poubaite
PbBi
 
2
(Se,Te,S)
 
4
Rucklidgeite
(Bi,Pb)
 
3
Te
 
4
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.40aAleksite
PbBi
 
2
Te
 
2
S
 
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.45Tvalchrelidzeite
Hg
 
3
SbAsS
 
3
2.GC.50Mutnovskite
Pb
 
4
As
 
2
S
 
6
ICl

Other Names for Saddlebackite

Synonyms:
IMA1994-051
Other Languages:
German:Saddlebackit
Spanish:Saddlebackita

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 Saddlebackite

Reference List:

- +
Mineralogical Record: 29: 476-477.

Australian Journal of Mineralogy (1997): 3: 119-124.

Internet Links for Saddlebackite

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

    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.
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    (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]; AJM 1997, 119-24
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