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Briartite

Pictures (3 Images total)

Briartit
Views (File:
1271528688
): 2421
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
): 1330
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
): 1600
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

Other languages

German

Briartit

Spanish

Briartita

French

Briartite

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