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Briartite

Pictures (3 Images total)

Briartit
Views (Image: 1271528688): 1833
Briartit

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

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-17
Locality: Kipushi Mine / Kipushi / Ober-Katanga (Haut-Katanga), Distrikt / Katanga (Shaba), Provinz / Demokratische Republik Kongo
Briartit
Views (Image: 1327769824): 1054
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): 1094
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

 
A2DEX4
 
 

 
 
Cu2(Zn,Fe)GeS4
tetragonal
I42m

 
 
Cu2CdSnS4
tetragonal
I42m

 
 
Cu3SbS4
tetragonal
I42m

 
 
Cu2FeSnS4
tetragonal
I4

 
 
Ag2FeSnS4
tetragonal
I42m

 
 
Cu2(Zn,Fe)SnS4
tetragonal
I4

 
 
Cu2AgAsS4
tetragonal
I42m

 
 
Cu3SnS4
tetragonal
I42m

 
 
Cu3AsS4
tetragonal
I42m

 
 
Cu8Fe2ZnGe2S12
orthorhombisch
I222

 
 
Cu3SbSe4
tetragonal
I42m

 
 
(Cu,Ag)2(Fe,Zn)(Sn,In)S4
orthorhombisch
Pmn21

 
 
Ag2ZnSnS4
tetragonal
I42m, I4

 
 
Zn2CuGaS4
tetragonal
I42m

 
 
Cu2FeSnS4
tetragonal
I42m

 
 
Cu8(Fe,Zn)3Sn2S12
orthorhombisch
I222


 
 
Cu2(Hg,Zn)SnS4
tetragonal
I4

 
 
Cu2(Zn,Fe)(Ge,Ga)S4
tetragonal
I42m

Refresh list

Actuality: 12. Oct 2021 - 19:19:18

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

Luzonite

Cu3AsS4

tetragonal : 42m : I42m

2.KA.10

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

2.KA.10

Famatinite

Cu3SbS4

tetragonal : 42m : I42m

2.KA.10

Permingeatite

Cu3SbSe4

tetragonal : 42m : I42m

2.KA.10

Zincobriartite

Cu2(Zn,Fe)(Ge,Ga)S4

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

Richardsite

Zn2CuGaS4

tetragonal : 42m : I42m

II/C.06-125

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

CNMNC (IMA)-Number

IMA 1965-018

CNMNC symbol

Symbol

Btt

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