Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

UM2003-15-S:AgCuTe

Valid as an unnamed mineral
This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ag2Cu2TeS
Associates with (chemically similar) cervelleite. Shows a large compositional gap when juxtaposed with the latter.

As grains, up to ca. 30 μm.

EPMA data [wt.%]:

Ag 44.04
Cu 25.91
Bi 0.18
Sb 0.07
S 7.18
Se 0.3
Te 22.96

total 100.64

This correspondss to (Ag2.00Cu2.00)Σ4.00(Te0.88S1.10Se0.02)Σ2.00.


Hide all sections | Show all sections

Unique IdentifiersHide

Mindat ID:
54440
Long-form identifier:
mindat:1:1:54440:3

Similar NamesHide

UM1974-08-S:AgCuTeAg5CuTeS2
UM1985-14-S:AgCuFeCu(Fe,Ag)S2
UM1985-15-S:AgCuFe(Fe,Cu)Cu2(Ag,Cu)3S4
UM1985-16-S:AgCuFeFeCu3Ag6S7
UM1985-17-S:AgCuFeCu5.28Fe0.55Ag1.17S4
UM1985-18-S:AgCuFeFeCu2(Ag,Cu)2S5
UM1990-31-S:AgCuFe(Cu,Ag,Fe)6S4
UM2004-31-S:AgAuCuTe(Ag,Au,Cu)9Te2S3
UM2004-34-S:AgCuTe(Ag,Cu)12Te3S2
UM2010-07-S:AgCuSe(Ag,Cu)14Se3S6
UM2011-10-S:AgCuTe[1]Ag2CuTeS
UM2011-11-S:AgCuTe[2](Ag,Cu)2TeS

IMA Classification of UM2003-15-S:AgCuTeHide

IMA status notes:
Unnamed (probably valid)

Optical Data of UM2003-15-S:AgCuTeHide

Colour in reflected light:
blue-gray
Comments:
reflectance lower than that of cervelleite

Chemistry of UM2003-15-S:AgCuTeHide

Mindat Formula:
Ag2Cu2TeS
Element Weights:
Element% weight
Ag42.933 %
Te25.393 %
Cu25.292 %
S6.381 %

Calculated from ideal end-member formula.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for UM2003-15-S:AgCuTeHide

References for UM2003-15-S:AgCuTeHide

Localities for UM2003-15-S:AgCuTeHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Romania
 
  • Bihor County
    • Nucet
Cook et al. (2003) +1 other reference
  • Caraş-Severin County
Cook et al. (2003) +1 other reference
Quick NavTopUnique IdentifiersSimilar NamesIMA Classification Optical Data Chemistry Other InformationInternet Links References Localities Locality List
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 3, 2026 06:01:07 Page updated: December 30, 2025 20:10:37
Go to top of page