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Briartite

Pictures (3 Images total)

Briartit
Views (File:
1271528688
): 2445
Briartit
Bildbreite: 4 mm, Fundort: Kipushi, Provinz Katanga, Demokratische Republik Kongo.
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Demokratische Republik Kongo/Katanga (Shaba), Provinz/Ober-Katanga (Haut-Katanga), Distrikt/Kipushi/Kipushi Mine
Mineral: Briartite
Image: 1271528688
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
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 (File:
1327769824
): 1352
Briartit
Briartit mit Ge-Mawsonit in Tennantit-Erz. BB 2cm. Fundort: Tsumeb, Otjikoto, Namibia.
Copyright: Yi Sun; Contribution: sun-mineral
Collection: Yi Sun
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Briartite
Image: 1327769824
License: Usage for Mineralienatlas project only
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 (File:
1356724326
): 1619
Briartit
Derb metallisch bunt, BB = 3,8 mm, Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A003090, Donator: Klaus Fleck
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Briartite
Image: 1356724326
License: Usage for Mineralienatlas project only
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

You find additional specimen at the Geolitho Museum

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, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
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

Volume (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 )

(Co-)Type locality

(Co-)Type locality

Demokratische Republik Kongo/Katanga (Shaba), Provinz/Ober-Katanga (Haut-Katanga), Distrikt/Kipushi/Kipushi Mine

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

 
Stannite group
A2DEX4
 
 

 
 
Briartite
Cu2(Zn,Fe)GeS4
tetragonal
I42m

 
 
Černýite
Cu2CdSnS4
tetragonal
I42m

 
 
Famatinite
Cu3SbS4
tetragonal
I42m

 
 
Ferrokësterite
Cu2FeSnS4
tetragonal
I4

 
 
Hocartite
Ag2FeSnS4
tetragonal
I42m

 
 
Kësterite
Cu2(Zn,Fe)SnS4
tetragonal
I4

 
 
Keutschite
Cu2AgAsS4
tetragonal
I42m

 
 
Kuramite
Cu3SnS4
tetragonal
I42m

 
 
Luzonite
Cu3AsS4
tetragonal
I42m

 
 
Omariniite
Cu8Fe2ZnGe2S12
orthorhombisch
I222

 
 
Permingeatite
Cu3SbSe4
tetragonal
I42m

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

 
 
Pirquitasite
Ag2ZnSnS4
tetragonal
I42m, I4

 
 
Richardsite
Zn2CuGaS4
tetragonal
I42m

 
 
Stannite
Cu2FeSnS4
tetragonal
I42m

 
 
Stannoidite
Cu8(Fe,Zn)3Sn2S12
orthorhombisch
I222

 
 
UM1984-30-S:CuFeSn
 
 
 

 
 
Velikite
Cu2(Hg,Zn)SnS4
tetragonal
I4

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

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Actuality: 10. Jun 2025 - 10:25:46

Other languages

German

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Spanish

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French

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English

Briartite

Russian

Бриартит

CNMNC (IMA)-Number

IMA 1965-018

CNMNC symbol

Symbol

Btt

Locations with GPS information

IDs

GUSID (Global unique identifier short form) EoYLU_wIlEq-CHiSdvXS3Q
GUID (Global unique identifier) 530B8612-08FC-4A94-BE08-789276F5D2DD
Database ID 497