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Kenoargentotennantite-(Fe)

Collectors Summary

Crystal System kubisch, I43m

Chemism

Chemical formula

Ag6(Cu4Fe2)As4S12

Chemical composition

Arsen, Eisen, Kupfer, Silber, Schwefel, Vakanz

Unit weight: 1697.55732801 u; Number of atoms in the formula: 29

Info

Empirical formula:

Ag6(Cu4Fe2)As4S12Vc

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

1

3.45

0.0000000

0.0000000

Sulfur

S

22.67

12

41.38

32.0655000

384.7860000

Iron

Fe

6.58

2

6.90

55.8452000

111.6904000

Copper

Cu

14.97

4

13.79

63.5463000

254.1852000

Arsenic

As

17.65

4

13.79

74.9216020

299.6864080

Silver

Ag

38.13

6

20.69

107.8682200

647.2093200

IMA status

anerkannt - CNMNC Newsletter 58, Oktober-November (2020)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Tetrahedrite Group  ⇒ Arsenofreibergite Series

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

217

Space Group

I43m

Cell parameters a (Å)

10.3740(5)

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°

Volume (ų)

1116.449

Crystal structure

Tetraedrit-Gruppe; Struktur ermittelt

X-Ray Powder Diffraction

7.336(13), 2.995(100), 2.594(18), 2.212(7), 2.035(7), 1.894(8), 1.834(36), 1.564(18)

XRD chart Kenoargentotennantite-(Fe)

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

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Pietrasanta/Valdicastello Carducci/Miniera del Pollone

Type material

Typenmaterial ist in den mineralogischen Sammlungen des Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (PI), Katalognummer 19920, hinterlegt.

Preface

Author (Name, Year)

Cristian Biagioni, Jiri Sejkora, Yves Moëlo, Emil Makovicky, Marco Pasero, und Zdeněk Dolníček (2020)

References

Biagioni, C., Sejkora, J., Moëlo, Y., Makovicky, E., Pasero, M., and Dolníček, Z.: Kenoargentotennantite-(Fe), IMA 2020-062, in: CNMNC Newsletter 58, Eur. J. Mineral., 32, https://doi.org/10.5194/ejm-32-645-2020, 2020.

IMA group assignments



 
 
 
Ag6(Cu4Fe2)As4S13
kubisch
I43m

 
 
 
Ag6(Cu4Zn2)As4S13
kubisch
I43m

 
 
 
Ag6(Cu4Fe2)As4S12
kubisch
I43m

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Actuality: 13. May 2025 - 07:34:19

Other languages

German

Kenoargentotennantit-(Fe)

English

Kenoargentotennantite-(Fe)

Russian

Кеноаргентотеннантит-(Fe)

CNMNC (IMA)-Number

IMA 2020-062

CNMNC symbol

Symbol

Katnt-Fe

Locations with GPS information

IDs

GUSID (Global unique identifier short form) kEm7xa6uFE2gVOmnkLXEpg
GUID (Global unique identifier) C5BB4990-AEAE-4D14-A054-E9A790B5C4A6
Database ID 8948