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Briartite (Briartit)

Pictures (3 Images total)

Briartit
Views (Image: 1271528688): 1453
Briartit

Bildbreite: 4 mm, Fundort: Kipushi, Provinz Katanga, Demokratische Republik Kongo.

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-17
Locality: Kipushi / Ober-Katanga (Haut-Katanga), Distrikt / Katanga (Shaba), Provinz / Demokratische Republik Kongo
Briartit
Views (Image: 1327769824): 809
Briartit

Briartit mit Ge-Mawsonit in Tennantit-Erz. BB 2cm. Fundort: Tsumeb, Otjikoto, Namibia.

Collection: Yi Sun
Copyright: Yi Sun
Contribution: sun-mineral 2012-01-28
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Briartit
Views (Image: 1356724326): 818
Briartit (SNr: A003090)

Derb metallisch bunt, BB = 3,8 mm, Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2012-12-28
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia

Collectors Summary

Color grau zu graublau
Hardness (Mohs) 3.5 - 4
Crystal System tetragonal, I42m

Chemism

Chemical formula

Cu2(Zn,Fe)GeS4

Chemical composition

Eisen, Germanium, Kupfer, Zink, Schwefel

Unit weight: 391.01395 u; Number of atoms in the formula: 8

Info

Empirical formula:

Cu2(Zn0.75Fe0.25)GeS4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

32.80

4

50.00

32.0655000

128.2620000

Iron

Fe

3.57

0.25

3.13

55.8452000

13.9613000

Copper

Cu

32.50

2

25.00

63.5463000

127.0926000

Zinc

Zn

12.55

0.75

9.38

65.4094000

49.0570500

Germanium

Ge

18.58

1

12.50

72.6410000

72.6410000

Analysis wt%

Cu : 32.00, Fe : 5.10, Zn : 10.80, Ge : 14.60, Ga : 1.00, S : 34.80 (Ref: Bulletin de Mineralogie 65)

Strunz 9th edition incl. updates

2.KA.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
K: Sulfoarsenate
A: Unterteilung 2.KA - 2.KB
10:Luzonit-Gruppe

Lapis Classification

II/C.06-040

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

Classification by Hölzel

2.CB.420

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
4: Luzonite-Hemusite-Group

Dana 8th edition

02.09.02.03

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
02: Stannite Group (Tetragonal: I-42m) A2BCS type

IMA status

anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Stannite group

Optical Properties

Color

grau zu graublau

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

tetragonal

Class (H-M)

42m

Space Group number

121

Space Group

I42m

Cell parameters a (Å)

5.32

Cell parameters b (Å)

-

Cell parameters c (Å)

10.51

Cell parameters a/b or c/a

1.976

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

297.458

X-Ray Powder Diffraction

3.06(100),
2.67(20),
1.888(50),
1.871(50),
1.608(50),
1.591(50),
1.533(20),
1.333(20)

XRD chart Briartite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5 - 4

VHN (Hardness Vickers)

160 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.5

4.365 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Francotte & Moreau & Ottenburgs & Lévy, 1965

References

American Mineralogist: 51: 1816.

American Mineralogist: 80: 849.

Strunz Mineralogical Tables 9. Edition.

IMA group assignments

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

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

2.KA.10

Famatinite

Cu3SbS4

tetragonal : 42m : I42m

2.KA.10

Luzonite

Cu3AsS4

tetragonal : 42m : I42m

2.KA.10

Permingeatite

Cu3SbSe4

tetragonal : 42m : I42m

2.KA.10

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

Luzonite

Cu3AsS4

tetragonal : 42m : I42m

II/C.06-010

Famatinite

Cu3SbS4

tetragonal : 42m : I42m

II/C.06-020

Permingeatite

Cu3SbSe4

tetragonal : 42m : I42m

II/C.06-030

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

II/C.06-040

Barquillite

Cu2(Cd,Fe)GeS4

tetragonal : 42m : I42m

II/C.06-045

Kuramite

Cu3SnS4

tetragonal : 42m : I42m

II/C.06-050

Stannite

Cu2FeSnS4

tetragonal : 42m : I42m

II/C.06-060

Ferrokësterite

Cu2FeSnS4

tetragonal : 4 : I4

II/C.06-070

Kësterite

Cu2(Zn,Fe)SnS4

tetragonal : 4 : I4

II/C.06-080

Černýite

Cu2CdSnS4

tetragonal : 42m : I42m

II/C.06-090

Velikite

Cu2(Hg,Zn)SnS4

tetragonal : 4 : I4

II/C.06-100

Hocartite

Ag2FeSnS4

tetragonal : 42m : I42m

II/C.06-110

Pirquitasite

Ag2ZnSnS4

tetragonal : 42m, 4 : I42m, I4

II/C.06-120

Sakuraiite

(Cu,Zn,Fe)3(In,Sn)S4

II/C.06-130

Petrukite

(Cu,Ag)2(Fe,Zn)(Sn,In)S4

orthorhombisch : mm2 : Pmn21

II/C.06-140

Rhodostannite

(Cu,Ag)2FeSn3S8

tetragonal : 4/m : I41/a

II/C.06-150

Toyohaite

Ag2FeSn3S8

tetragonal : 4/m : I41/a

II/C.06-160

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

Luzonite

Cu3AsS4

tetragonal : 42m : I42m

2.CB.400

Famatinite

Cu3SbS4

tetragonal : 42m : I42m

2.CB.405

Permingeatite

Cu3SbSe4

tetragonal : 42m : I42m

2.CB.410

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

2.CB.420

Barquillite

Cu2(Cd,Fe)GeS4

tetragonal : 42m : I42m

2.CB.430

Vinciennite

Cu10Fe4Sn(As,Sb)S16

2.CB.440

Polhemusite

(Zn,Hg)S

2.CB.450

Sakuraiite

(Cu,Zn,Fe)3(In,Sn)S4

2.CB.460

Hemusite

Cu1+4Cu2+2SnMoS8

2.CB.470

Kiddcreekite

Cu6SnWS8

2.CB.475

Morozeviczite

(Pb,Fe)3Ge1-xS4

2.CB.485

Catamarcaite

Cu6GeWS8

hexagonal : 6mm : P63mc

2.CB.487

Polkovicite

(Fe,Pb)3(Ge,Fe)1-xS4

2.CB.490

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

Chalcopyrite

CuFeS2

tetragonal : 42m : I42d

02.09.01.01

Eskebornite

CuFeSe2

tetragonal : 42m : P42c

02.09.01.02

Gallite

CuGaS2

tetragonal : 42m : I42d

02.09.01.03

Roquesite

CuInS2

tetragonal : 42m : I42d

02.09.01.04

Lenaite

AgFeS2

tetragonal : 42m : I42d

02.09.01.05

Laforêtite

AgInS2

tetragonal : 42m : I42d

02.09.01.06

Stannite

Cu2FeSnS4

tetragonal : 42m : I42m

02.09.02.01

Černýite

Cu2CdSnS4

tetragonal : 42m : I42m

02.09.02.02

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

02.09.02.03

Kuramite

Cu3SnS4

tetragonal : 42m : I42m

02.09.02.04

Sakuraiite

(Cu,Zn,Fe)3(In,Sn)S4

02.09.02.05

Hocartite

Ag2FeSnS4

tetragonal : 42m : I42m

02.09.02.06

Pirquitasite

Ag2ZnSnS4

tetragonal : 42m, 4 : I42m, I4

02.09.02.07

Velikite

Cu2(Hg,Zn)SnS4

tetragonal : 4 : I4

02.09.02.08

Kësterite

Cu2(Zn,Fe)SnS4

tetragonal : 4 : I4

02.09.02.09

Ferrokësterite

Cu2FeSnS4

tetragonal : 4 : I4

02.09.02.10

Barquillite

Cu2(Cd,Fe)GeS4

tetragonal : 42m : I42m

02.09.02.11

Chatkalite

Cu6Fe2+Sn2S8

tetragonal : 42m : P4m2

02.09.03.02

Stannoidite

Cu8(Fe,Zn)3Sn2S12

orthorhombisch : 222 : I222

02.09.03.03

Renierite

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

tetragonal : 42m : P42c

02.09.04.01

Germanite

Cu13Fe2Ge2S16

kubisch : 43m : P43n

02.09.04.02

Maikainite

Cu10Fe3MoGe3S16

02.09.04.03

Ovamboite

Cu10Fe3WGe3S16

02.09.04.04

Morozeviczite

(Pb,Fe)3Ge1-xS4

02.09.05.01

Polkovicite

(Fe,Pb)3(Ge,Fe)1-xS4

02.09.05.02

Hemusite

Cu1+4Cu2+2SnMoS8

02.09.06.01

Kiddcreekite

Cu6SnWS8

02.09.06.02

Putoranite

Cu1.1Fe1.2S2

kubisch : m3m

02.09.07.01

Talnakhite

Cu9(Fe,Ni)8S16

kubisch : 43m : I43m

02.09.08.01

Haycockite

Cu4Fe5S8

02.09.08.02

Mooihoekite

Cu9Fe9S16

tetragonal : 42m : P42m

02.09.08.03

Raguinite

TlFeS2

monoklin : 2/m : C2/m

02.09.09.01

Other languages

German

Briartit

Spanish

Briartita

French

Briartite

English

Briartite

Russian

Бриартит

IMA Number

IMA 1965-018

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

German pages

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English pages

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Locations with GPS information




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