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Tetrahedrite-(Cu)

Collectors Summary

Color stahlgrau
Lustre Metallglanz
Hardness (Mohs) ca. 3½–4
Crystal System kubisch, I43m
Morphology Körner bis 200 × 400 μm

Chemism

Chemical formula

Cu6(Cu4Cu2)Sb4S13

Empirical formula (analysis)

Cu11.42Zn0.26Fe0.19(Sb4.06As0.08)Σ4.14S12.99

IMA status

anerkannt - CNMNC Newsletter 70, Okt. 2022 - Nov.2022

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Tetrahedrite Group  ⇒ Tetrahedrite series

Optical Properties

Color

stahlgrau

Lustre

Metallglanz

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

217

Space Group

I43m

Cell parameters a (Å)

10.3296(15)

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

1102.175

Crystal structure

Tetraedrit-Gruppe; Struktur ermittelt

X-Ray Powder Diffraction

3.652(9), 2.982(100), 2.761(7), 2.582(21), 2.435(7), 1.886(7), 1.826(40), 1.557(19)
XRD chart Tetrahedrite-(Cu)

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphology

Körner bis 200 × 400 μm

Physical Properties

Hardness (Mohs)

ca. 3½–4

Density (g/cm³)

5.029 berechnet

5.032 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Slowakei/Košický kraj/Košice-okolie, Okres/Kaschau (Kosice)/Bankov/Medvedza Magnesit-Körper (Punkt K 401)

Type material

Das Typmaterial ist in den Sammlungen der Abteilung für Mineralogie und Petrologie des Nationalmuseums in Prag, Cirkusová 1740, 19300 Prag 9, Tschechische Republik, hinterlegt, Katalognummer P1P 27/2022
und in den Sammlungen des Museo di Storia Naturale der Università di Pisa, Via Roma 79, Calci (PI), Katalognummer 20017.

Paragenesis of type material

Skinnerit, Chalcostibit, Famatinit, Tetraedrit-(Fe) und Aggregaten of Tennantit-(Cu) bis Tennantit-(Fe)

Preface

Author (Name, Year)

Jiří Sejkora, Cristian Biagioni, Martin Števko, Silvia Musetti, und Dušan Peterec (2024)

References

Sejkora, J., Biagioni, C., Števko, M., Musetti, S., and Peterec, D.: Tetrahedrite-(Cu), IMA 2022-078, in: CNMNC Newsletter 70, Eur. J. Mineral., 34, https://doi.org/10.5194/ejm-34-591-2022, 2022.

Jiří Sejkora; Cristian Biagioni; Martin Števko; Silvia Musetti; Dušan Peterec: Tetrahedrite-(Cu), Cu12Sb4S13, from Bankov near Košice, Slovak Republic: a new member of the tetrahedrite group. Mineralogical Magazine Vol. 88, Nr. 4 (2024) S. 392-399. Open Access doi: 10.1180/mgm.2024.24

IMA group assignments

 
Tetrahedrite Group
 
 
 

 
 
Tetrahedrite series
Cu10(Fe,Zn)2Sb4S13
kubisch
I43m

 
 
 
Tetrahedrite-(Cd)
Cu6(Cu4Cd2)Sb4S13
kubisch
P43m

 
 
 
Tetrahedrite-(Cu)
Cu6(Cu4Cu2)Sb4S13
kubisch
I43m

 
 
 
Tetrahedrite-(Fe)
Cu6(Cu4Fe2)Sb4S13
kubisch
I43m

 
 
 
Tetrahedrite-(Hg)
Cu6(Cu4Hg2)Sb4S13
kubisch
I43m

 
 
 
Tetrahedrite-(Mn)
Cu6(Cu4Mn2)Sb4S13
kubisch
I43m

 
 
 
Tetrahedrite-(Ni)
Cu6(Cu4Ni2)Sb4S13
kubisch
I43m

 
 
 
Tetrahedrite-(Zn)
Cu6(Cu4Zn2)Sb4S13
kubisch
I43m

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Actuality: 05. May 2025 - 18:05:31

Other languages

German

Tetraedrit-(Cu)

English

Tetrahedrite-(Cu)

CNMNC (IMA)-Number

IMA 2022-078

CNMNC symbol

Symbol

Ttr-Cu

Locations with GPS information

IDs

GUSID (Global unique identifier short form) sKHRkMrTf0a-HRrHK7B1_A
GUID (Global unique identifier) 90D1A1B0-D3CA-467F-BE1D-1AC72BB075FC
Database ID 9276