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Schapbachite

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Silberbrünnle Mine, Haigerach valley, Gengenbach, Black Forest, Baden-Württemberg, Germany
© S. Möller




Formula:
Ag
 
0.4
Pb
 
0.2
Bi
 
0.4
S
Pb is necessary for the stabilisation of the cubic structure of schapbachite.
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


Note: many specimens originally described as "schapbachite" are in fact matildite.

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:
Ag
 
0.4
Pb
 
0.2
Bi
 
0.4
S


Pb is necessary for the stabilisation of the cubic structure of schapbachite.
Essential elements:Ag, Bi, Pb, S
All elements listed in formula:Ag, Bi, Pb, S

Relationship of Schapbachite to other Species

Structurally related to group(s):
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
(Cu,Ag)
 
3-4
(Bi,Pb)
 
7-8
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.05aCupromakopavonite
Ag
 
3
Cu
 
8
Pb
 
4
Bi
 
19
S
 
38
2.JA.05Dantopaite
Cu
 
1.06
Ag
 
4.24
Pb
 
0.9
Bi
 
12.23
S
 
21.89
Te
 
0.11
2.JA.10aCuprobismutite
Cu
 
8
AgBi
 
12
S
 
24
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
Simplified Chinese:硫铅铋银矿
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.

Moëlo, Y., Makovicky, E., Mozgova, N.N., Jambor, J.L., Cook, N., Pring, A., Paar, W., Nickel, E.H., Graeser, S., Karup-Møller, S.; Balić-Žunić, T.; Mumme, W.G., Vurro, F., Topa, D., Bindi, L., Bente, K., Shimizu, M. (2008): Sulfosalt systematics: a review. Report of the sulfosalt sub-committee of the IMA Commission on Ore Mineralogy. European Journal of Mineralogy, 20, 7-46.

Internet Links for Schapbachite

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    • Localities for Schapbachite

    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.
    Hide Locality List
    (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.
    Bulgaria
     
    • Pernik Oblast
      • Trun Obshtina
        • Trun (Tran)
    		- I. Kostov, V. Breskovska, J. Mincheva-Stefanova, G. Kirov (1964): Minerals of Bulgaria. Sofia, Bulgaria, 540 pp. (in Bulgarian).
    • Sofiya Oblast (Sofia Oblast)
      • Botevgrad
    		Kostov et al.(1964):Minerals of Bulgaria
    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
      • Gelnica Co.
        • Švedlár
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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