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Schapbachite

Formula:
AgBiS
 
2
System:IsometricColour:Dark grey
Hardness:3 - 4
Name:Named after the locality where it was originally thought to have existed as a species. The original specimens were found to be a mixture of galena and matildite (Ramdohr, 1936). Redefined in 1982 and retained the original name, but not confirmed in nature until 2004 (Walenta).
Dimorph of:Matildite
This page provides mineralogical data about Schapbachite.

Classification of Schapbachite

IMA status:Approved 1982
Explanation of status:Redefined by CNMMN (1982) as the high-temperature dimorph of matildite (above 200 deg. C). Described as a natural (ambient temperature) phase by Walenta et al. (2004).
Strunz 8th edition ID:2/C.16-35
Nickel-Strunz 10th (pending) edition ID:2.JA.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
Hey's CIM Ref.:5.2.18

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

Type Locality:Silberbrünnle Mine, Haigerach valley, Gengenbach, Black Forest, Baden-Württemberg, Germany

Physical Properties of Schapbachite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Dark grey
Streak:Black
Hardness (Mohs):3 - 4

Crystallography of Schapbachite

Crystal System:Isometric

Optical Data of Schapbachite

Type:Isotropic

Chemical Properties of Schapbachite

Formula:
AgBiS
 
2
Essential elements:Ag, Bi, S
All elements listed in formula:Ag, Bi, S

Relationship of Schapbachite to other Species

Related to:
  • Schapbachite group
    • Related Minerals - Nickel-Strunz Grouping):
    2.JA.05Benjaminite
    (Ag,Cu)
     
    3
    		(Bi,Pb)
     
    7
    		S
     
    12
    2.JA.05Borodaevite
    Ag
     
    5
    		(Bi,Pb,Fe)
     
    8
    		(Sb,Bi)
     
    2
    		S
     
    17
    2.JA.05Cupropavonite
    AgCu
     
    2
    		PbBi
     
    5
    		S
     
    10
    2.JA.05Makovickyite
    Ag
     
    1.5
    		Bi
     
    5.5
    		S
     
    9
    2.JA.05Mummeite
    Ag
     
    2
    		CuPbBi
     
    6
    		S
     
    13
    2.JA.05Pavonite
    (Ag,Cu)(Bi,Pb)
     
    3
    		S
     
    5
    2.JA.05Grumiplucite
    HgBi
     
    2
    		S
     
    4
    2.JA.05Mozgovaite
    PbBi
     
    4
    		(S,Se)
     
    7
    2.JA.05Cupromakovickyite
    Cu
     
    8
    		Pb
     
    4
    		Ag
     
    2
    		Bi
     
    18
    		S
     
    36
    2.JA.05Kudriavite
    (Cd,Pb)Bi
     
    2
    		S
     
    4
    2.JA.05IMA2005-036
    Ag
     
    3
    		Cu
     
    8
    		Pb
     
    4
    		Bi
     
    19
    		S
     
    38
    2.JA.10Cuprobismutite
    Cu
     
    10
    		Bi
     
    12
    		S
     
    23
    2.JA.10Hodrušhite
    Cu
     
    8
    		Bi
     
    12
    		S
     
    22
    2.JA.10Padĕraite
    Cu
     
    5.9
    		Ag
     
    1.3
    		Pb
     
    1.6
    		Bi
     
    11.2
    		S
     
    22
    2.JA.10Pizgrischite
    Cu
     
    17
    		Bi
     
    17
    		S
     
    35
    2.JA.10Kupčíkite
    (Cu,Fe)
     
    4
    		Bi
     
    5
    		S
     
    10
    2.JA.15Cuboargyrite
    AgSbS
    2.JA.20Bohdanowiczite
    AgBiSe
     
    2
    2.JA.20Matildite
    AgBiS
     
    2
    2.JA.20Volynskite
    AgBiTe
     
    2
    Related Minerals - Hey's Index Grouping:
    5.2.1Smithite
    AgAsS
     
    2
    5.2.2Trechmannite
    AgAsS
     
    2
    5.2.3Proustite
    Ag
     
    3
    		AsS
     
    3
    5.2.4Xanthoconite
    Ag
     
    3
    		AsS
     
    3
    5.2.5Pearceite
    (Ag,Cu)
     
    16
    		(As,Sb)
     
    2
    		S
     
    11
    5.2.6Pearceite-T2ac
    (Ag,Cu)
     
    16
    		(As,Sb)
     
    2
    		S
     
    11
    5.2.7Argentotennantite
    (Ag,Cu)
     
    10
    		(Zn,Fe)
     
    2
    		(As,Sb)
     
    4
    		S
     
    13
    5.2.8Miargyrite
    AgSbS
     
    2
    5.2.9Pyrargyrite
    Ag
     
    3
    		SbS
     
    3
    5.2.10Pyrostilpnite
    Ag
     
    3
    		SbS
     
    3
    5.2.11Stephanite
    Ag
     
    5
    		SbS
     
    4
    5.2.12Polybasite
    (Ag,Cu)
     
    16
    		(Sb,As)
     
    2
    		S
     
    11
    5.2.13Billingsleyite
    Ag
     
    7
    		AsS
     
    6
    5.2.14Polybasite-Tac
    (Ag,Cu)
     
    16
    		(Sb,As)
     
    2
    		S
     
    11
    5.2.15Freibergite
    (Ag,Cu,Fe)
     
    12
    		(Sb,As)
     
    4
    		S
     
    13
    5.2.16Aramayoite
    Ag(Sb,Bi)S
     
    2
    5.2.17Matildite
    AgBiS
     
    2
    5.2.19Pavonite
    (Ag,Cu)(Bi,Pb)
     
    3
    		S
     
    5
    5.2.20Arcubisite
    Ag
     
    6
    		CuBiS
     
    4
    5.2.21Bohdanowiczite
    AgBiSe
     
    2
    5.2.22Selenostephanite
    Ag
     
    5
    		Sb(Se,S)
     
    4
    5.2.23Benleonardite
    Ag
     
    8
    		(Sb,As)Te
     
    2
    		S
     
    3
    5.2.24Volynskite
    AgBiTe
     
    2

    Other Names for Schapbachite

    German names:
    Schapbachit
    Russian names:
    Шапбахит
    Spanish names:
    Schapbachita

    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 Schapbachite

    Reference List:Sandberger, F. (1882): Untersuch. Erzgadhge, 1, 90.

    Ramdohr, P.(1936): Fortschr. Min. Krist. 20,56.

    American Mineralogist (1951): 36: 436.

    Acta Crystallographica (1959): 12:46.

    American Mineralogist (1975): 60: 621.

    Ramdohr, P. (1980), The Ore Minerals and their Intergrowths, 2nd edition: 665.

    Hey, M.H. (1982): Mineralogical Magazine, 46, 513-514 [redefinition].

    Walenta, K.; Bernhardt, H.-J. & Theye, T. (2004): Cubic AgBiS2 (schapbachite) from the Silberbrünnle mine near Gengenbach in the Central Black Forest, Germany. Neues Jahrbuch für Mineralogie, Monatshefte 2004, 425-432.

    Internet Links for Schapbachite

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  • Raman and XRD data at RRUFF project
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    Localities for Schapbachite

    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.
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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.
    France
     
    • Auvergne
      • Haute-Loire
        • Langeac
          • Langeac
            • Barlet
    		P.G. Pélisson : "Etude Minéralogique et Métallogénique du District Filonien Polytype de Paulhaguet (Haute-Loire, Massif Central Français)", Doctorate Thesis, Orléans, France, 1989
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Gengenbach
          • Haigerach valley
    		Walenta, K., Bernhardt, H.J., Theye, T. (2004): Cubic AgBiS2 (schapbachite) from the Silberbrünnle mine near Gengenbach in the Central Black Forest, Germany. Neues Jahrbuch für Mineralogie - Monatshefte, 2004, 425-432
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Zwiesel
            • Bodenmais
    		Obermüller, T., (1993): Der Silberberg bei Bodenmais/Bayer. Wald, Der Aufschluss, Vol. 44, 201-224
    • Saxony
      • Erzgebirge
    		Lapis 30(7/8):78-80 (2005)
    Italy
     
    • Trentino-Alto Adige
      • Trento Province
        • Mocheni Valley
          • Pergine Valsugana
    		Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp.
    Peru
     
    • Huancavelica Department
      • Angaraes Province
        • Julcani District
    		B. Duval, Y. Moëlo and P. Picot, Bull. Minéral. , 1986, 109, pp. 649-655.
    Slovakia
     
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
        • Švedlár
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    Mineral and/or Locality
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