Wallisite
A valid IMA mineral species
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About Wallisite
Unique Identifiers
Mindat ID:
4236
Long-form identifier:
mindat:1:1:4236:5
GUID
(UUID V4):
(UUID V4):
0a537e6a-146d-4af2-9d82-be38352f0b0c
IMA Classification of Wallisite
Approved
IMA Formula:
CuPbTlAs2S5
First published:
1965
Classification of Wallisite
2.GC.05
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
3.5.8.1
3 : SULFOSALTS
5 : 2.5 < Ăž < 3
3 : SULFOSALTS
5 : 2.5 < Ăž < 3
5.5.8
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
5 : Sulpharsenites etc. of Tl
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
5 : Sulpharsenites etc. of Tl
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Wal | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Wallisite
Metallic
Transparency:
Opaque
Colour:
Lead-gray
Cleavage:
Distinct/Good
Pronounced on {001}
Pronounced on {001}
Density:
5.71 g/cm3 (Calculated)
Chemistry of Wallisite
Mindat Formula:
(Cu,Ag)TlPbAs2S5
Crystallography of Wallisite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.98 Å, b = 8.97 Å, c = 7.76 Å
α = 106.11°, β = 114.48°, γ = 65.48°
α = 106.11°, β = 114.48°, γ = 65.48°
Ratio:
a:b:c = 0.89 : 1 : 0.865
Unit Cell V:
456.19 Ă
Âł (Calculated from Unit Cell)
Z:
2
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0010669 | Wallisite | Takeuchi Y, Ohmasa M (1968) The crystal structure of wallisite, PbTlCuAs2S5, the Cu analogue of hatchite PbTlAgAs2S5 Zeitschrift fur Kristallographie 127 349-365 | 1968 | Lengenbach quarry, Binnatal, Switzerland | 0 | 293 | |
0018394 | Wallisite | Boiocchi M, Callegari A (2003) Crystal structure refinement of a wallisite-hatchite solid solution Neues Jahrbuch fur Mineralogie, Monatshefte 2003 396-406 | 2003 | Binnatal, Switzerland | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.339 Ă | (100) |
2.834 Ă | (50) |
2.879 Ă | (30) |
2.667 Ă | (30) |
4.555 Ă | (25) |
4.233 Ă | (25) |
2.985 Ă | (25) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-đ alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Wallisite
Place of Conservation of Type Material:
Mineralogical-Petrographical Institute, University of Bern, Bern, Switzerland, L2533-63.
Associated Minerals at Type Locality:
Reference:
Nowacki, W. (1965) Ăber einige Mineralfunde aus dem Lengenbach (Binnatal, Kt. Wallis). Eclogae Geologicae Helveticae: 58: 403-406.
Other Language Names for Wallisite
Relationship of Wallisite to other Species
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
10 photos of Wallisite associated with Realgar | As4S4 |
5 photos of Wallisite associated with Hatchite | AgTlPbAs2S5 |
5 photos of Wallisite associated with Sartorite | PbAs2S4 |
5 photos of Wallisite associated with Pararealgar | As4S4 |
5 photos of Wallisite associated with Dolomite | CaMg(CO3)2 |
3 photos of Wallisite associated with Edenharterite | PbTlAs3S6 |
3 photos of Wallisite associated with Pyrite | FeS2 |
2 photos of Wallisite associated with Trechmannite | AgAsS2 |
Related Minerals - Strunz-mindat Grouping
2.GC. | Clogauite | PbBi4Te4S3 |
2.GC.05 | Hatchite | AgTlPbAs2S5 |
2.GC.10 | Sinnerite | Cu6As4S9 |
2.GC.15 | Watanabeite | Cu4(As,Sb)2S5 |
2.GC.20 | Simonite | TlHgAs3S6 |
2.GC.25 | Quadratite | Ag(Cd,Pb)AsS3 |
2.GC.25 | Manganoquadratite | AgMnAsS3 |
2.GC.30 | Smithite | AgAsS2 |
2.GC.35 | Trechmannite | AgAsS2 |
2.GC.35 | Debattistiite | Ag9Hg0.5As6S12Te2 |
2.GC.40a | Aleksite | PbBi2Te2S2 |
2.GC.40b | Kochkarite | PbBi4Te7 |
2.GC.40c | Poubaite | PbBi2(Se,Te,S)4 |
2.GC.40c | Rucklidgeite | PbBi2Te4 |
2.GC.40e | Babkinite | Pb2Bi2(S,Se)3 |
2.GC.40d | Saddlebackite | Pb2Bi2Te2S3 |
2.GC.45 | Tvalchrelidzeite | Hg3SbAsS3 |
2.GC.50 | Mutnovskite | Pb4As2S6ICl |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Wallisite
mindat.org URL:
https://www.mindat.org/min-4236.html
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Please feel free to link to this page.
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References for Wallisite
Localities for Wallisite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Switzerland (TL) | |
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Lengenbach Quarry, FĂ€ld, Binn, Goms, Valais, Switzerland