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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

Member of Group:
Schapbachite group:
Related Minerals - Nickel-Strunz Grouping):

- +
2.JA.05eBenjaminite
(Ag,Cu)
 
3
(Bi,Pb)
 
7
S
 
12
2.JA.05gBorodaevite
Ag
 
5
(Bi,Pb,Fe)
 
8
(Sb,Bi)
 
2
S
 
17
2.JA.05aCupropavonite
AgCu
 
2
PbBi
 
5
S
 
10
2.JA.05aKitaibelite
Ag
 
10
PbBi
 
30
S
 
51
2.JA.05iLivingstonite
HgSb
 
4
S
 
8
2.JA.05dMakovickyite
Ag
 
1.5
Bi
 
5.5
S
 
9
2.JA.05fMummeite
Ag
 
2
CuPbBi
 
6
S
 
13
2.JA.05aPavonite
(Ag,Cu)(Bi,Pb)
 
3
S
 
5
2.JA.05bGrumiplucite
HgBi
 
2
S
 
4
2.JA.05hMozgovaite
PbBi
 
4
(S,Se)
 
7
2.JA.05dCupromakovickyite
Cu
 
8
Pb
 
4
Ag
 
2
Bi
 
18
S
 
36
2.JA.05cKudriavite
(Cd,Pb)Bi
 
2
S
 
4
2.JA.05aIMA2005-036
Ag
 
3
Cu
 
8
Pb
 
4
Bi
 
19
S
 
38
2.JA.05IMA2008-058
Ag
 
5
Bi
 
13
S
 
22
2.JA.10aCuprobismutite
Cu
 
10
Bi
 
12
S
 
23
2.JA.10cHodrušite
Cu
 
8
Bi
 
12
S
 
22
2.JA.10ePadĕraite
Cu
 
5.9
Ag
 
1.3
Pb
 
1.6
Bi
 
11.2
S
 
22
2.JA.10dPizgrischite
Cu
 
17
Bi
 
17
S
 
35
2.JA.10bKupčíkite
(Cu,Fe)
 
4
Bi
 
5
S
 
10
2.JA.15Cuboargyrite
AgSbS
 
2
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)
 
6
(As,Sb)
 
2
S
 
7
][Ag
 
9
CuS
 
4
]
5.2.6Pearceite-T2ac
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)
 
6
(Sb,As)
 
2
S
 
7
][Ag
 
9
CuS
 
4
]
5.2.13Billingsleyite
Ag
 
7
AsS
 
6
5.2.14Polybasite-Tac
5.2.15Freibergite
(Ag
 
4+2x
Cu
 
2-2x
)[(Cu, Ag)
 
4
(Fe, Zn)
 
2
]Sb
 
4
S
 
12
S
 
1-x
 (0 < x < 1)
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

Other Languages:
German:Schapbachit
Russian:Шапбахит
Spanish: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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    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.
    (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.
    Chile
     
    • Arica and Parinacota Region
      • Parinacota Province
        • Ticnamar area
    		Econ Geol (1991) 86:1206-1221
    France
     
    • Auvergne
      • Haute-Loire
        • 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.
    Russia
     
    • Far-Eastern region
      • Sakhalinskaya Oblast'
        • Kuril Islands
          • Kunashir Island
    		Econ Geol (1997) 92:468-484
    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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