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Sinnerite

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Formula:
Cu6As4S9
Colour:
Bronze, steel-grey, silver
Lustre:
Metallic
Hardness:
4 - 4½
Crystal System:
Triclinic
Name:
Named after Rudolf von Sinner (1890-1960), President of the Commission of the Natural History Museum, Bern, Switzerland.
Known as a synthetic compound.


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Classification of SinneriteHide

Approved
Approval Year:
1964
2.GC.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites
3.6.14.1

3 : SULFOSALTS
6 : 2 < ø < 2.49
5.1.1

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
1 : Sulpharsenites etc. of Cu

Physical Properties of SinneriteHide

Metallic
Transparency:
Opaque
Colour:
Bronze, steel-grey, silver
Streak:
grey-black
Hardness:
4 - 4½ on Mohs scale
Cleavage:
Poor/Indistinct

Chemical Properties of SinneriteHide

Formula:
Cu6As4S9

Crystallography of SinneriteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 9.103(2) Å, b = 9.860(3) Å, c = 9.111(2) Å
α = 90.27(2)°, β = 109.53(2)°, γ = 107.58(2)°
Ratio:
a:b:c = 0.923 : 1 : 0.924
Unit Cell V:
729.6 ų
Z:
2
Morphology:
Twinning:
Crystals are twinned complexly; principal laws are twin planes {010} and {110}.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.34 (20)
3.02 (100)
1.852 (80)
1.581 (70)
1.556 (20)
1.312 (20)
1.205 (30)

Type Occurrence of SinneriteHide

Synonyms of SinneriteHide

Other Language Names for SinneriteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Dolomite1 photo of Sinnerite associated with Dolomite on mindat.org.
Liveingite1 photo of Sinnerite associated with Liveingite on mindat.org.
Sartorite1 photo of Sinnerite associated with Sartorite on mindat.org.
Realgar1 photo of Sinnerite associated with Realgar on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.GC.05HatchiteAgTlPbAs2S5Tric. 1 : P1
2.GC.05Wallisite(Cu,Ag)TlPbAs2S5Tric.
2.GC.15WatanabeiteCu4(As,Sb)2S5Orth.
2.GC.20SimoniteTlHgAs3S6Mon. 2/m
2.GC.25QuadratiteAg(Cd,Pb)AsS3Tet.
2.GC.25ManganoquadratiteAgMnAsS3Tet. 4 2 2 : P43 2 2
2.GC.30SmithiteAgAsS2Mon. 2/m
2.GC.35TrechmanniteAgAsS2Trig.
2.GC.40aAleksitePbBi2Te2S2Trig.
2.GC.40bKochkaritePbBi4Te7Trig.
2.GC.40cPoubaitePbBi2(Se,Te,S)4Trig.
2.GC.40cRucklidgeitePbBi2Te4Trig.
2.GC.40eBabkinitePb2Bi2(S,Se)3Trig.
2.GC.40dSaddlebackitePb2Bi2Te2S3Hex.
2.GC.45TvalchrelidzeiteHg3SbAsS3Mon. 2/m
2.GC.50MutnovskitePb4As2S6IClOrth. mmm (2/m 2/m 2/m) : Pnma

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

5.1.2TennantiteCu6[Cu4(Fe,Zn)2]As4S13Iso. 4 3m : I4 3m
5.1.4ChalcostibiteCuSbS2Orth. mmm (2/m 2/m 2/m)
5.1.5TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13Iso. 4 3m : I4 3m
5.1.6GoldfielditeCu10Te4S13Iso. 4 3m : I4 3m
5.1.7EmplectiteCuBiS2Orth. mmm (2/m 2/m 2/m) : Pmna
5.1.8CuprobismutiteCu8AgBi13S24Mon. 2/m : B2/m
5.1.9WitticheniteCu3BiS3Orth. 2 2 2 : P21 21 21
5.1.10HodrušiteCu8Bi12S22Mon.
5.1.11GirauditeCu6[Cu4(Fe,Zn)2]As4Se13Iso. 4 3m : I4 3m
5.1.11PermingeatiteCu3SbSe4Tet.

Other InformationHide

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

References for SinneriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1972) 57: 824-834.
American Mineralogist (1975) 60: 998-1012.
Schweizerische mineralogische und petrographische Mitteilungen 44: 439-454.
Harlov, D.E. (1999) Thermochemistry of Ag-Cu exchange equilibria between proustite, sinnerite, and pearceite; constraints on Ag-Cu and As-Sb mixing in pyrargyrite-proustite. European Journal of Mineralogy, 11, 709-719.
Bindi, L., Makovicky, E., Nestola, F., De Battisti, L. (2013): Sinnerite, Cu6As4S9, from the Lengenbach quarry, Binn Valley, Switzerland: description and re-investigation of the crystal structure. Canadian Mineralogist, 51, 851-860.

Internet Links for SinneriteHide

Localities for SinneriteHide

This 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.

Locality ListHide

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Finland
 
  • Southwestern Finland Region
    • Pargas (Parainen)
Hangala Leake S. 1987 The early proterozoic Zn-Pb-Cu massive sulfide deposit at Attu, SW Finland Geological Survey of Finland Bulletin 341 61s
Mexico
 
  • Guanajuato
    • Mun. de Guanajuato
Georg Gebhard
Switzerland (TL)
 
  • Wallis (Valais)
    • Binn Valley
      • Fäld (Imfeld; Im Feld; Feld)
Schweiz.Min.Petr.Mitt.(1964) 44, 439-454; http://fglb.clubdesk.ch/clubdesk/www [untwinned sinnerite]
Mineral and/or Locality  
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