Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Cupropearceite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
[Cu6As2S7][Ag9CuS4]
System:
Trigonal
Member of:
Name:
For its relationship to pearceite.
This page provides mineralogical data about Cupropearceite.

Classification of Cupropearceite

Approved 2007
2.GB.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
B : Neso-sulfarsenites, etc. with additional S
mindat.org URL:
http://www.mindat.org/min-35576.html
Please feel free to link to this page.

First Recorded Occurrence of Cupropearceite

Crystallography of Cupropearceite

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3m1
Cell Parameters:
a = 7.3218Å, c = 11.8877Å
Ratio:
a:c = 1 : 1.624
Unit Cell Volume:
V 551.90 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
11.89 (54)
3.063 (38)
2.972 (100)
2.797 (44)
2.476 (45)
2.349 (45)
2.168 (42)
1.831 (50)

Chemical Properties of Cupropearceite

Formula:
[Cu6As2S7][Ag9CuS4]
Essential elements:
All elements listed in formula:

Relationship of Cupropearceite to other Species

Member of:
Other Members of Group:
Cupropolybasite[Cu6Sb2S7][Ag9CuS4]
Pearceite[(Ag,Cu)6(As,Sb)2S7][Ag9CuS4]
Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Selenopolybasite[(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2]
2.GB.05ArgentotennantiteAg6[Cu4(Fe,Zn)2]As4S13
2.GB.05FreibergiteAg6[Cu4Fe2]Sb4S13-x
2.GB.05GirauditeCu6[Cu4(Fe,Zn)2]As4Se13
2.GB.05GoldfielditeCu10Te4S13
2.GB.05HakiteCu6[Cu4Hg2]Sb4Se13
2.GB.05TennantiteCu6[Cu4(Fe,Zn)2]As4S13
2.GB.05TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
2.GB.10SelenostephaniteAg5Sb(Se,S)4
2.GB.10StephaniteAg5SbS4
2.GB.15Pearceite[(Ag,Cu)6(As,Sb)2S7][Ag9CuS4]
2.GB.15Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
2.GB.15UM2003-14-S:AgBiFeTeAg16FeBiTe3S8
2.GB.15Selenopolybasite[(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2]
2.GB.15Cupropolybasite[Cu6Sb2S7][Ag9CuS4]
2.GB.15UM1979-17-S:BiCuFeCu18Fe4BiS16
2.GB.20Galkhaite(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12

Other Names for Cupropearceite

Name in Other Languages:

Other Information

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 Cupropearceite

Reference List:
Bindi, L., M. Evain, P.G. Spry, K.T. Tait, & S. Menchetti (2007): Structural role of copper in the minerals of the pearceite-polybasite group: the case of the new minerals cupropearceite and cupropolybasite. Mineralogical Magazine 71, 641-650.

Bindi, L. & Pekov, I.V. (2009): Crystal chemistry of extremely Cu-rich cupropearceite from the Sarbay mine, Northern Kazakhstan. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 5, 44-50.

Internet Links for Cupropearceite

Localities for Cupropearceite

(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.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Příbram
        • Vrančice
          • Alexander Shaft (Alexander Mine)
Sejkora, J., Pauliš, P., Litochleb, J., Novák, F. (2010): Příspěvek k chemickému složení minerálů skupiny pearceit-polybazit z Vrančic u Příbrami (Česká republika) [Contribution to chemical composition of the minerals of pearceite-polybasite group from Vrančice near Příbram (Czech Republic). Bulletin mineralogicko-petrologického oddělení 18 (2), 23-31. [containing minor Cl]
Kazakhstan
 
  • Kostanay Province (Qostanay Oblysy; Kostanai Oblast')
    • Rudny
Bindi, L., M. Evain, P.G. Spry, K.T. Tait, & S. Menchetti (2007): Structural role of copper in the minerals of the pearceite-polybasite group: the case of the new minerals cupropearceite and cupropolybasite. Mineralogical Magazine 71, 641-650.; Bindi, L. & Pekov, I.V. (2009): Crystal chemistry of extremely Cu-rich cupropearceite from the Sarbay mine, Northern Kazakhstan. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 5, 44-50.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: March 28, 2015 17:50:32 Page generated: March 27, 2015 23:17:33