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Chaméanite

Collectors Summary

Color grauschwarz-met.
Hardness (Mohs) 4.00 - 4.50
Crystal System kubisch,

Additional information / Summary

Möglicherweise identisch mit Mgriit

Moëlo, Y. et al. (2008) Sulfosalt systematics: a review. Report of the sulfosalt sub-committee of the IMA Commission on Ore Mineralogy. Eur. J. Mineral., 20, 7-46.

Chemism

Chem­ical formula

(Cu,Fe)4As(Se,S)4

Chem­ical com­po­si­tion

Arsen, Eisen, Kupfer, Selen, Schwefel

Unit weight: 590.360202 u; Number of atoms in the formula: 9

Info

Empirical formula:

(Cu0.75Fe0.25)4As(Se0.75S0.25)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

5.43

1

11.11

32.0655000

32.0655000

Iron

Fe

9.46

1

11.11

55.8452000

55.8452000

Copper

Cu

32.29

3

33.33

63.5463000

190.6389000

Arsenic

As

12.69

1

11.11

74.9216020

74.9216020

Selenium

Se

40.13

3

33.33

78.9630000

236.8890000

Anal­y­sis wt%

Cu : 35.46, Fe : 4.13, As : 11.03, Sb : 0.49, Se : 47.08, S : 1.49 (Ref: Tschermaks Mineralogische und Petrographische Mitteilungen 82)

Strunz 9th edi­tion incl. updates

2.LA.35

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
L: unklassifizierte Sulfosalze
A: ohne nennenswertes Pb (Blei)
35:Chaméanit-Gruppe

Lapis Clas­sifica­tion

II/C.11-080

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1
11: Tetraedrit-Gruppe

Clas­sifica­tion by Hölzel

2.CB.590

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
5: Germanite-Colusite-Mawsonite-Group

Dana 8th edi­tion

03.02.08.01

03: Sulfides - Sulfosalts
02: Sulfides - Sulfosalts where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grauschwarz-met.

Crystallography

Crystal Sys­tem

kubisch

Cell param­e­ters a (Å)

11.039

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

8

Volumne (ų)

1345.207

X-Ray Pow­der Diffrac­tion

3.187(100),
1.951(90),
1.665(80),
1.381(40),
1.266(60),
1.127(70),
1.062(50),
0.975(30)

XRD chart Chaméanite

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

Physical Properties

Hard­ness (Mohs)

4.00 - 4.50

VHN (Hard­ness Vick­ers)

265 (25g)

Density (g/cm³)

6.17 (berechnet)

5.83 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Johan & Picot & Ruhlmann, 1982

References

Tschermaks Mineralogische und Petrographische Mitteilungen 29 (1982), 151

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Chaméanite

(Cu,Fe)4As(Se,S)4

2.LA.35

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

'Tennantite series'

Cu10(Fe,Zn)2As4S13

kubisch : 43m : I43m

II/C.11-010

Argentotennantite-(Zn)

Ag6(Cu4Zn2)As4S13

kubisch : 43m : I43m

II/C.11-020

Giraudite-(Zn)

Cu6(Cu4Zn2)As4Se13

kubisch : 43m : I43m

II/C.11-030

'Tetrahedrite series'

Cu10(Fe,Zn)2Sb4S13

kubisch : 43m : I43m

II/C.11-040

Argentotetrahedrite-(Fe)

Ag6Cu4(Fe,Zn)2Sb4S13

kubisch : 43m : I43m

II/C.11-045

Kenoargentotetrahedrite-(Fe)

[Ag6]4+(Cu4Fe2)Sb4S12

kubisch : 43m : I43m

II/C.11-050

Goldfieldite

(Cu42)Cu6Te4S13

kubisch : 43m : I43m

II/C.11-060

Hakite-(Hg)

Cu6(Cu4Hg2)Sb4Se13

kubisch : 43m : I43m

II/C.11-070

'Annivite' (Var.v. Tetrahedrite series, Tennantite series)

II/C.11-075

Mgriite

Cu3AsSe3

kubisch : m3m : Fd3m

II/C.11-078

Chaméanite

(Cu,Fe)4As(Se,S)4

II/C.11-080

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Haycockite

Cu4Fe5S8

2.CB.500

Mooihoekite

Cu9Fe9S16

tetragonal : 42m : P42m

2.CB.510

Talnakhite

Cu9(Fe,Ni)8S16

kubisch : 43m : I43m

2.CB.520

Putoranite

Cu1.1Fe1.2S2

kubisch : m3m

2.CB.525

Colusite

Cu12VAs3S16

kubisch : 43m : P43n

2.CB.530

Stibiocolusite

Cu13V(Sb,As,Sn)3S16

kubisch : 43m : P43m

2.CB.535

Germanocolusite

Cu13V(Ge,As)3S16

kubisch : 43m : P43m

2.CB.540

Nekrasovite

Cu13V(Sn,As,Sb)3S16

kubisch : 43m : P43n

2.CB.545

Renierite

(Cu,Zn)11(Ge,As)2Fe4S16

tetragonal : 42m : P42c

2.CB.550

Germanite

Cu13Fe2Ge2S16

kubisch : 43m : P43n

2.CB.555

Maikainite

Cu10Fe3MoGe3S16

2.CB.560

Ovamboite

Cu10Fe3WGe3S16

2.CB.565

Mawsonite

Cu61+Fe23+Sn4+S8

tetragonal : 42m : P4m2

2.CB.570

Chatkalite

Cu6Fe2+Sn2S8

tetragonal : 42m : P4m2

2.CB.575

Chaméanite

(Cu,Fe)4As(Se,S)4

2.CB.590

Lautite

CuAsS

orthorhombisch : mm2 : Pna21

2.CB.595

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Enargite

Cu3AsS4

orthorhombisch : mm2 : Pmn21

03.02.01.01

Luzonite

Cu3AsS4

tetragonal : 42m : I42m

03.02.02.01

Famatinite

Cu3SbS4

tetragonal : 42m : I42m

03.02.02.02

Permingeatite

Cu3SbSe4

tetragonal : 42m : I42m

03.02.02.03

Sulvanite

Cu3VS4

kubisch : 43m : P43m

03.02.03.01

Stephanite

Ag5SbS4

orthorhombisch : mm2 : Cmc21

03.02.04.01

Selenostephanite

Ag5SbSe4

orthorhombisch : 222 : P212121

03.02.04.02

Hauchecornite

Ni9Bi(Sb,Bi)S8

tetragonal : 4/mmm : P4/mmm

03.02.05.01

Bismutohauchecornite

Ni9Bi2S8

tetragonal : 4/mmm : P4/mmm

03.02.05.02

Tellurohauchecornite

Ni9BiTeS8

tetragonal : 4/mmm : P4/mmm

03.02.05.03

Arsenohauchecornite

Ni18Bi3AsS16

tetragonal : 4/mmm : I4/mmm

03.02.05.04

Tučekite

Ni9Sb2S8

tetragonal : 4/mmm : P4/mmm

03.02.05.05

Arcubisite

Ag6CuBiS4

03.02.06.01

Chalcothallite

(Tl,K)2Cu5.5(Fe,Ag)SbS4

tetragonal : 4/mmm : I4/mmm

03.02.07.01

Chaméanite

(Cu,Fe)4As(Se,S)4

03.02.08.01

Fangite

Tl3AsS4

orthorhombisch : mmm : Pnma

03.02.09.01

CNMNC symbol

Symbol

Céa

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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