Mindat Logo

Polybasite-Tac

This page is currently not sponsored. Click here to sponsor this page.



System:MonoclinicColour:Black
Hardness:3
A polytype of Polybasite

Previously known as "antimonpearceite", which was originally described from Sonora, Mexico. Was renamed during a nomenclature change in 2006 (Bindi et al., 2007).

A Se-bearing variety has been described by Marquez-Zavalia et al. (2008).

Classification of Polybasite-Tac

IMA status:Redefined Approved 2006
Hey's CIM Ref.:5.2.14

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
2 : Sulpharsenites etc. of Ag
mindat.org URL:http://www.mindat.org/min-265.html
Please feel free to link to this page.

Occurrences of Polybasite-Tac

Geological Setting:Epithermal precious metal deposits

Physical Properties of Polybasite-Tac

Lustre:Sub-Metallic
Diaphaneity (Transparency):Opaque
Colour:Black
Streak:Black
Hardness (Mohs):3
Tenacity:Brittle
Density (measured):6.33 - 6.35 g/cm3
Density (calculated):6.40 g/cm3

Crystallography of Polybasite-Tac

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Space Group Setting:C2/m
Morphology:Thin tabular pseudohexagonal
Twinning:On {110}

Relationship of Polybasite-Tac to other Species

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
 
6
[Cu
 
4
(Fe,Zn)
 
2
]As
 
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
5.2.15Freibergite
Ag
 
6
[Cu
 
4
Fe
 
2
]Sb
 
4
S
 
13-x
5.2.16Aramayoite
Ag(Sb,Bi)S
 
2
5.2.17Matildite
AgBiS
 
2
5.2.18Schapbachite
Ag
 
0.4
Pb
 
0.2
Bi
 
0.4
S
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 Polybasite-Tac

Synonyms:
Antimonpearceite
Other Languages:
German:Antimonpearceit
Russian:Антимонпирсеит
Simplified Chinese:锑硫砷铜银矿
Spanish:Antimonpearceita

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 Polybasite-Tac

Reference List:

- +
American Mineralogist: 48: 565-572.

American Mineralogist: 50: 1507.

M. Evain, L. Bindi and S. Menchetti (2006): Structure and phase transition of the Se-rich variety of antimonpearceite, [(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2]. Acta Cryst. B62, 768-774.

Bindi et al., Acta Cryst. B62, 212-219 (2006), "Temperature dependence of the silver distribution in the crystal structure of natural pearceite"

Evain et al., Acta Cryst. B62, 447-456 (2006), "Structural complexity in minerals: twinning, polytypism and disorder in the crystal structure of polybasite"

Bindi, Luca, Michel Evain, Paul G. Spry, and Silvio Menchett (2007) The pearceite-polybasite group of minerals: Crystal chemistry and new nomenclature rules. American Mineralogist, 92, 918-925.

Marquez-Zavalia, M.F. et al. (2008): Mineral. Petrol. 94, 145-150.

Internet Links for Polybasite-Tac

Search Engines:
  • Look for Polybasite-Tac on Google
  • Look for Polybasite-Tac images on Google
  • External Links:
  • Antimonpearceite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy minerals from YourMineralCollection
  • Search for Polybasite-Tac on Well-Arranged Molecules
  • Fabre Minerals - search for Polybasite-Tac specimens
  • Lapis Mineral Magazin
  • Buy from David K Joyce minerals
  • Fine and rare minerals from mintreasure.com
  • Buy from McDougall Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Fine minerals from bisbeeborn.com
  • High-end worldwide specimens & outstanding customer service
  • Fine Minerals from Weinrich Minerals, Inc.
  • Buy fine minerals and gemstones from Pala International
  • Localities for Polybasite-Tac

    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.
    Argentina
     
    • Santa Cruz
      • Macizo del Deseado
    Marquez-Zavalia, M.F. et al. (2008): Mineral. Petrol. 94, 145-150.; FERNANDEZ, Raúl R. et al. Gold and silver deposits related to Jurassic Patagonian volcanism: review and perspectives for exploration. Rev. Asoc. Geol. Argent. [online]. 2008, vol.63, n.4, pp. 665-681.
    Bulgaria
     
    • Montana Oblast
      • Chiprovtsi Obshtina
    Petrova, M., & Ilieev, T. (2007). Compositional variations in the tetrahedrite-tennantite fahlores and polybasite-pearceite series from the Chiprovtsi Ag-Pb deposit, northwestern Bulgaria. Au-Ag telluride-selenide deposits, 26, 39.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • St Blasien
          • Urberg
    Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Wolfach
          • Oberwolfach
            • Frohnbach valley
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
            • Rankach valley
    Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); KOLITSCH, U., GRÖBNER, J. & BAYERL, R. (1995): Die Mineralien der Silber-Antimon-Vererzungen der Grube Clara im Zeitraum 1993 bis 1995. - Erzgräber 9 (2), 61-77. ; Wendel, G. (2006): Antimonpearceite aus der Grube Clara, Oberwolfach. LAPIS 31 (2), 36-37
    • Rhineland-Palatinate
      • Siegerland
        • Niederfischbach
    Schnorrer-Köhler, G. (1991): Mineralogische Notizen V, Der Aufschluss, Vol. 42, 155-171
    Indonesia
     
    • Jawa Island (Java Island)
      • Jawa Barat Province (West Java Province)
        • Bogor District
    Syafrizal; Imai, A.; Motomura, Y.; Watanabe, K. (2005): Characteristics of gold mineralization at the Ciurug vein, Pongkor gold-silver deposit, West Java, Indonesia. Resource Geology 55, 225-238.
    Italy
     
    • Sardinia
      • Cagliari Province
        • Burcei
    Stara, P., Rizzo, R., Brizzi G., (1993): Sarrabus Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", 208 pp.
        • San Vito
    AA. VV., 1996. Collezionare minerali. Hobby & Work.
    Mexico
     
    • Guanajuato
    Amer.Min.(1963) 48, 565-572
    Amer.Min.(1963) 48, 565-572
      • Mun. de Arizpe
        • Arizpe
    Amer.Min.(1963) 48, 565-572
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Djebel Saghro (Jbel Saghro)
          • Imiter District
    Burniaux, P. and Williams-Jones, A.E., (2006) Controls Of Silver-Mercury Mineralization At Imiter, Morocco. in Geological Association of Canada, Program with Abstracts Volume 3
    Slovakia
     
    • Prešov Region
      • Prešov Co.
    Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    Spain
     
    • Castile and Leon
      • Salamanca
    Revista de minerales, 2000 (Mars), 260-263.
    UK
     
    • England
      • Cornwall
        • Wadebridge District
          • St Minver
    No reference listed
    USA
     
    • Alaska
      • Juneau Borough
        • Admiralty District
    Taylor, C.D., and Johnson, C.A., editors, 2010, Geology, geochemistry, and genesis of the Greens Creek massive sulfide deposit, Admiralty Island, southeastern Alaska: U.S. Geological Survey Professional Paper 1763, 429 p., 7 plates on CD.
    • Colorado
      • Clear Creek Co.
    Minerals of Colorado (1997) Eckels, E. B.
    • Missouri
      • Madison Co.
        • Fredericktown District
    R&M 73:2 pp 98-117
    • Washington
      • Chelan Co.
        • Wenatchee District
          • Wenatchee
            • Squillchuck Creek
    Lasmanis, R. (1995): Mineral News: A Compendium of Wenatchee District Mineralogy, Chelan County, Washington, p.6-7
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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.
    Current server date and time: June 12, 2014 09:09:54
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds