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Vaughanite

Formula:
TlHgSb
 
4
S
 
7
System:TriclinicHardness:3 - 3½
Name:Named after David John Vaughan (b. 1946), chair in mineralogy, University of Manchester (England).
This page provides mineralogical data about Vaughanite.

Classification of Vaughanite

IMA status:Approved 1987
Strunz 8th edition ID:2/E.13-80
Nickel-Strunz 10th (pending) edition ID:2.LA.20

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
L : Unclassified Sulfosalts
A : Without essential Pb
Dana 8th edition ID:3.8.15.1

3 : SULFOSALTS
8 : 1 < ø < 2
Hey's CIM Ref.:5.5.15

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
5 : Sulpharsenites etc. of Tl
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Type Occurrence of Vaughanite

Type Locality:Hemlo Mines, Hemlo gold deposit, Marathon, Thunder Bay District, Ontario, Canada
Year of Discovery:1989

Physical Properties of Vaughanite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Streak:Black
Hardness (Mohs):3 - 3½
Tenacity:Brittle

Crystallography of Vaughanite

Crystal System:Triclinic
Cell Parameters:a = 9.01Å, b = 13.22Å, c = 5.9Å
α = 93.27°, β = 95.05°, γ = 109.16°
Ratio:a:b:c = 0.682 : 1 : 0.446
Unit Cell Volume:V 658.49 ų (Calculated from Unit Cell)

Chemical Properties of Vaughanite

Formula:
TlHgSb
 
4
S
 
7
Essential elements:Hg, S, Sb, Tl
All elements listed in formula:Hg, S, Sb, Tl

Relationship of Vaughanite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.LA.10Dervillite
Ag
 
2
AsS
 
2
2.LA.15Daomanite
CuPtAsS
 
2
2.LA.25Criddleite
TlAg
 
2
Au
 
3
Sb
 
10
S
 
10
2.LA.30Fettelite
Ag
 
24
HgAs
 
5
S
 
20
2.LA.35Chaméanite
(Cu,Fe)
 
4
As(Se,S)
 
4
2.LA.40Arcubisite
Ag
 
6
CuBiS
 
4
2.LA.45Mgriite
Cu
 
3
AsSe
 
3
2.LA.50Benleonardite
Ag
 
8
(Sb,As)Te
 
2
S
 
3
2.LA.55Tsnigriite
Ag
 
9
SbTe
 
3
(S,Se)
 
3
2.LA.60Borovskite
Pd
 
3
SbTe
 
4
2.LA.65Jonassonite
AuBi
 
5
S
 
4
Related Minerals - Hey's Index Grouping:

- +
5.5.1Lorándite
TlAsS
 
2
5.5.2Ellisite
Tl
 
3
AsS
 
3
5.5.3Imhofite
Tl
 
6
CuAs
 
16
S
 
40
5.5.4Simonite
TlHgAs
 
3
S
 
6
5.5.6Christite
TlHgAsS
 
3
5.5.6Routhierite
Tl(Cu,Ag)(Hg,Zn)
 
2
(As,Sb)
 
2
S
 
6
5.5.7Hutchinsonite
(Tl,Pb)
 
2
As
 
5
S
 
9
5.5.8Wallisite
(Cu,Ag)TlPbAs
 
2
S
 
5
5.5.9Bernardite
Tl(As,Sb)
 
5
S
 
8
5.5.10Vrbaite
Tl
 
4
Hg
 
3
Sb
 
2
As
 
8
S
 
20
5.5.11Rebulite
Tl
 
5
Sb
 
5
As
 
8
S
 
22
5.5.12Gillulyite
Tl
 
2
(As,Sb)
 
8
S
 
13
5.5.13Weissbergite
TlSbS
 
2
5.5.14Rohaite
(Tl,Pb,K)
 
2
Cu
 
8.7
Sb
 
2
S
 
4
5.5.16Chalcothallite
Tl
 
2
(Cu,Fe)
 
6
SbS
 
4
5.5.17Pierrotite
Tl
 
2
Sb
 
6
As
 
4
S
 
16
5.5.18Parapierrotite
Tl(Sb,As)
 
5
S
 
8
5.5.19Criddleite
TlAg
 
2
Au
 
3
Sb
 
10
S
 
10
5.5.20Chabournéite
Tl
 
21-x
Pb
 
2x
(Sb,As)
 
91-x
S
 
147
 (x = 0-17.5)

Other Names for Vaughanite

Synonyms:
IMA1987-055
Other Languages:
German:Vaughanit
Spanish:Vaughanita

Other Information

Health Warning:Contains thallium and mercury - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest.

References for Vaughanite

Reference List:Mineralogical Magazine (1989): 53: 79-83.

American Mineralogist (1990): 75: 710-711.

Internet Links for Vaughanite

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  • Raman and XRD data at RRUFF project
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  • Vaughanite details from Handbook of Mineralogy (PDF)
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    Localities for Vaughanite

    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.
    Canada
     
    • Ontario
      • Thunder Bay District
        • Marathon
          • Hemlo gold deposit
    		Handbook of Mineralogy
    Econ Geol (1997) 92:569-577
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 14th Nov 2009 05:42:28