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Germanocolusite (Germanocolusit)

Collectors Summary

Color gelb, graulich gelb, grünlichgelb, Olive gelb, cremfarben gelb
Hardness (Mohs) 5.25
Cleavages keine
Fracture muschelig
Solubility - Standard Reagentien
Crystal System kubisch, P43m

Chemism

Chemical formula

Cu13V(Ge,As)3S16

Chemical composition

Arsen, Germanium, Kupfer, Schwefel, Vanadium

Unit weight: 1609.7248615 u; Number of atoms in the formula: 33

Info

Empirical formula:

Cu13V(Ge0.75As0.25)3S16

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

31.87

16

48.48

32.0655000

513.0480000
Vanadium

V

3.16

1

3.03

50.9415100

50.9415100
Copper

Cu

51.32

13

39.39

63.5463000

826.1019000
Germanium

Ge

10.15

2.25

6.82

72.6410000

163.4422500
Arsenic

As

3.49

0.75

2.27

74.9216020

56.1912015

Analysis wt%

Ø Cu : 48.98, Fe : 1.19, Zn : 0.78, V : 3.23, Ge : 8.10, As : 4.79, S : 31.71 (Ref: Vest.Moskov.Univ.,Geol.92)

Strunz 9th edition incl. updates

2.CB.30

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.
30:Germanit-Gruppe

Lapis Classification

II/C.10-047

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

Classification by Hölzel

2.CB.540

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
5: Germanite-Colusite-Mawsonite-Group

Dana 8th edition

03.01.01.02

03: Sulfides - Sulfosalts
01: Sulfides - Sulfosalts where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
01: Colusite Group (Isometric: P-43n) with Cu and V

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelb, graulich gelb, grünlichgelb, Olive gelb, cremfarben gelb

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

215

Space Group

P43m

Cell parameters a (Å)

10.568

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

1180.262

X-Ray Powder Diffraction

3.05(100),
2.64(40),
1.870(50),
1.595(30),
1.320(30),
1.212(30),
1.079(30),
1.017(30)
XRD chart Germanocolusite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.25

VHN (Hardness Vickers)

330 (40g)

Density (g/cm³)

4.55 (berechnet)

4.529 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

muschelig

Tenacity

zerbrechlich

Instability

- Standard Reagentien

(Co-)Type locality

(Co-)Type locality

Kasachstan/Pawlodar, Gebiet (Pawlodar oblysy; Pavlodar)/Maikain

Russland/Nordkaukasus, Föderationskreis/Karatschai-Tscherkessien (Karachaevo-Cherkessk), Republik/Urup

Preface

Author (Name, Year)

Spiridonov & Kachalovskaya & Kovachev & Krapiva, 1992

References

Vestnik Moskovskogo Universiteta, Geologiya ser. ser. 4, 47 (1992) (6), 50

Other languages

German

Germanocolusit

Spanish

Germanocolusita

English

Germanocolusite

French

Germanocolusite

Russian

Германоколусит

Traditional Chinese

鍺硫釩砷銅礦

Simplified Chinese

锗硫钒砷铜矿

CNMNC (IMA)-Number

IMA 1991-044

CNMNC symbol

Symbol

Gclu

Locations with GPS information