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Gallite

Pictures (2 Images total)

Gallit
Views (File:
1356725475
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Gallit
Derb metallisch schwarzblau, BB = 8 mm, Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A008128, Donator: Klaus Fleck
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Gallite
Image: 1356725475
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Gallit (SNr: A008128)

Derb metallisch schwarzblau, BB = 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
Gallit
Views (File:
1271528918
): 2157
Gallit
Gallit mit Germanit und Renierit. Größe: 3,9 x 2,8 x 1,2 cm, Fundort: Tsumeb Mine, Otjikoto Region, Namibia.
Copyright: Rob Lavinsky; Contribution: thdun5
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Gallite
Image: 1271528918
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Gallit

Gallit mit Germanit und Renierit. Größe: 3,9 x 2,8 x 1,2 cm, Fundort: Tsumeb Mine, Otjikoto Region, Namibia.

Copyright: Rob Lavinsky
Contribution: thdun5 2010-04-17
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia

You find additional specimen at the Geolitho Museum

Collectors Summary

Color grau-met.
Streak color grauschwarz
Hardness (Mohs) 3.00 - 3.50
Crystal System tetragonal, I42d

Chemism

Chemical formula

CuGaS2

Chemical composition

Gallium, Kupfer, Schwefel

Unit weight: 197.4004 u; Number of atoms in the formula: 4

Info

Empirical formula:

CuGaS2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

32.49

2

50.00

32.0655000

64.1310000

Copper

Cu

32.19

1

25.00

63.5463000

63.5463000

Gallium

Ga

35.32

1

25.00

69.7231000

69.7231000

Analysis wt%

Cu : 31.20, Fe : 2.30, Zn : 1.70, Ga : 32.40, S : 32.80 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 69)

Strunz 9th edition incl. updates

2.CB.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
10:Chalkopyrit-Gruppe

Lapis Classification

II/C.03-030

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

Classification by Hölzel

2.CB.230

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
2: Chalcopyrite-Group

Dana 8th edition

02.09.01.03

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

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Chalcopyrite group

Optical Properties

Color

grau-met.

Streak color

grauschwarz

Crystallography

Crystal System

tetragonal

Class (H-M)

42m

Space Group number

122

Space Group

I42d

Cell parameters a (Å)

5.36

Cell parameters b (Å)

-

Cell parameters c (Å)

10.49

Cell parameters a/b or c/a

1.957

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

301.374

X-Ray Powder Diffraction

3.064(100),
1.891(50),
1.872(80),
1.610(60),
1.585(30),
1.337(20),
1.225(10),
1.215(30)

XRD chart Gallite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.00 - 3.50

VHN (Hardness Vickers)

108 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.40 (berechnet)

4.35 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

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

Type material

Mineralogische Sammlungen Technische Universität Berlin

Collection number of type material

86/67, 87/564, 396 / 41-10, 45-1, Schrank 97

Paragenesis of type material

Reniérit

Preface

Author (Name, Year)

Strunz & Geier & Seeliger, 1958

References

Strunz Mineralogical Tables 9. Edition

American Mineralogist (1959): 44: 906.

Strunz, H., Geier, B.H., and Seeliger, E. (1958) Gallite, CuGaS2, das erste Selbst dige Galliummineral, und seine Verbreitung in den Erzen der Tsumeb- und Kipushi-Mine. Neues Jahrbuch für Mineralogie, Monatshefte: 241-264.

IMA group assignments


 
 
CuFeS2
tetragonal
I42d

 
 
CuFeSe2
tetragonal
P42c

 
 
CuGaS2
tetragonal
I42d

 
 
AgInS2
tetragonal
I42d

 
 
AgFeS2
tetragonal
I42d

 
 
CuInS2
tetragonal
I42d

 
 
NiFeS2
tetragonal
I42d

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Actuality: 20. May 2024 - 18:09:12

Other languages

Spanish

Galita

German

Gallit

English

Gallite

French

Gallite

Russian

Галлит

Traditional Chinese

硫鎵銅礦

Simplified Chinese

硫镓铜矿

CNMNC symbol

Symbol

Gal

Locations with GPS information

IDs

GUSID (Global unique identifier short form) CHbEFHNiIkmmqdpurPO5Bw
GUID (Global unique identifier) 14C47608-6273-4922-A6A9-DA6EACF3B907
Database ID 1325