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Ovamboite (Ovamboit)

Pictures (1 Images total)

Anschliff mit diversen Sulfiden
Views (File:
1589369996
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Anschliff mit diversen Sulfiden
Erzanschliff mit Ovamboit, Gallit, Pyrit, Chalkosin, Chalkopyrit, Tsumeb Mine, Otavibergland, Namibia; BB ~ 1 mm, analysiert mittels REM-EDX; verknüpftes Bild beachten
Copyright: Joy Desor; Contribution: openpit
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Ovamboite
Image: 1589369996
License: Usage for Mineralienatlas project only
Anschliff mit diversen Sulfiden  E
Analysed with energy dispersive X-ray spectroscopy EDX

Erzanschliff mit Ovamboit, Gallit, Pyrit, Chalkosin, Chalkopyrit, Tsumeb Mine, Otavibergland, Namibia; BB 1 mm, analysiert mittels REM-EDX; verknüpftes Bild beachten
Copyright: Joy Desor
Contribution: openpit 2020-05-13
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia

Collectors Summary

Color blass gelblichpink in reflektiertem Licht
Lustre Metallglanz
Hardness (Mohs) 4.5
Cleavages keine
Crystal System kubisch,

Chemism

Chemical formula

Cu10Fe3WGe3S16

Chemical composition

Eisen, Germanium, Kupfer, Schwefel, Wolfram

Unit weight: 1717.8106 u; Number of atoms in the formula: 33

Info

Empirical formula:

Cu10Fe3WGe3S16

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

29.87

16

48.48

32.0655000

513.0480000
Iron

Fe

9.75

3

9.09

55.8452000

167.5356000
Copper

Cu

36.99

10

30.30

63.5463000

635.4630000
Germanium

Ge

12.69

3

9.09

72.6410000

217.9230000
Tungsten

W

10.70

1

3.03

183.8410000

183.8410000

Analysis wt%

Cu : 38.35, Fe : 6.69, Zn : 3.12, W : 9.94, Ge : 9.70, Ga : 1.67, As : 1.18, S : 30.35 (Ref: Geol.Rudn.Mest.94)

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.10-055

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

Classification by Hölzel

2.CB.565

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

02.09.04.04

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
04: Germanite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blass gelblichpink in reflektiertem Licht

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Reflectivity Ø

23.91

Crystallography

Crystal System

kubisch

Cell parameters a (Å)

10.675

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)

1216.476

X-Ray Powder Diffraction

4.36(10),
3.38(10),
3.08(100),
2.67(20),
1.887(70),
1.612(50),
1.543(10),
1.225(10)
XRD chart Ovamboite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

295 (30g)

Density (g/cm³)

4.76 (berechnet)

4.689 ( ρ calc. Mineralienatlas )

Cleavages

keine

(Co-)Type locality

(Co-)Type locality

Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine

Preface

Author (Name, Year)

Spiridonov, 2003

References

Doklady Akademiia Nauk (in Russian) 393 (2003), 809

American Mineralogist 89 (2004), 1830

Other languages

German

Ovamboit

English

Ovamboite

French

Ovamboite

Spanish

Ovamboíta

Russian

Овамбоит

Traditional Chinese

鍺硫鎢鐵銅礦

Simplified Chinese

锗硫钨铁铜矿

Alternative Name

Traditional Chinese

硫鍺鎢鐵銅礦

Simplified Chinese

硫锗钨铁铜矿

CNMNC (IMA)-Number

IMA 1992-039

CNMNC symbol

Symbol

Ova

Locations with GPS information