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Wallisite

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Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland
© Stephan Wolfsried

Formula:
(Cu,Ag)TlPbAs
 
2
S
 
5
System:TriclinicColour:Lead-gray
Name:Named after its discovery locality the Lengenbach quarry, Binntal, Wallis, Switzerland.
This page provides mineralogical data about Wallisite.

Classification of Wallisite

IMA status:Approved
Strunz 8th edition ID:2/E.12-60
Nickel-Strunz 10th (pending) edition ID:2.GC.05

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:3.5.8.1

3 : SULFOSALTS
5 : 2.5 < ø < 3
Hey's CIM Ref.:5.5.8

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 Wallisite

Type Locality:Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland
Year of Discovery:1965

Physical Properties of Wallisite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Lead-gray

Crystallography of Wallisite

Crystal System:Triclinic
Cell Parameters:a = 7.98Å, b = 8.97Å, c = 7.76Å
α = 106.11°, β = 114.48°, γ = 65.48°
Ratio:a:b:c = 0.89 : 1 : 0.865
Unit Cell Volume:V 456.19 ų (Calculated from Unit Cell)

Chemical Properties of Wallisite

Formula:
(Cu,Ag)TlPbAs
 
2
S
 
5
Essential elements:As, Cu, Pb, S, Tl
All elements listed in formula:Ag, As, Cu, Pb, S, Tl

Relationship of Wallisite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.GC.05Hatchite
(PbTl)
 
2
AgAs
 
2
S
 
3
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.40Aleksite
PbBi
 
2
Te
 
2
S
 
2
2.GC.40Kochkarite
PbBi
 
4
Te
 
7
2.GC.40Poubaite
PbBi
 
2
(Se,Te,S)
 
4
2.GC.40Rucklidgeite
(Bi,Pb)
 
3
Te
 
4
2.GC.40Babkinite
Pb
 
2
Bi
 
2
(S,Se)
 
3
2.GC.40Saddlebackite
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:
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
CuHg
 
2
TlAs
 
2
S
 
6
5.5.7Hutchinsonite
(Tl,Pb)
 
2
As
 
5
S
 
9
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
 
3
(As,Sb)
 
8
S
 
13
5.5.13Weissbergite
TlSbS
 
2
5.5.14Rohaite
Cu
 
5
TlSbS
 
2
5.5.15Vaughanite
TlHgSb
 
4
S
 
7
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,Pb)
 
5
(Sb,As)
 
21
S
 
34

Other Names for Wallisite

German names:
Wallisit
Russian names:
Валлисит
Spanish names:
Wallisita

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 Wallisite

Reference List:Eclogae Geol. Helv. (1965), 58, 403-406.

Zeitschrift für Kristallographie: 127: 349-365.

American Mineralogist (1966): 51: 532.

American Mineralogist (1969): 54: 1497.

Internet Links for Wallisite

Search Engines:
  • Look for Wallisite on Google
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    • External Links:
  • Look for Wallisite on Webmineral
  • Look for Wallisite on Athena Mineralogy
  • Look for Wallisite on Wikipedia
  • Look for Wallisite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Wallisite in the Natural History Museum (London) online catalogue
  • Wallisite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Buy Minerals and Crystals from Crystalarium.com
  • Wilensky Fine Minerals
  • Search for Wallisite on minvision.com
  • Fine Minerals from Dan Weinrich Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • rare and unusual minerals mainly crystallized
  • Buy Fine Minerals from mineralsweb.com
  • Fabre Minerals - search for Wallisite specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • Find Wallisite on www.crystalclassics.co.uk
  • Wendel Minerals - Auktion & Shop
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    Localities for Wallisite

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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.
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Im Feld (Imfeld; Feld; Fäld)
    		Eclogae Geol.Helv.(1965) 58, 403-406
    Mineral and/or Locality
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