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Ovamboite (Ovamboit)

Pictures (1 Images total)

Anschliff mit diversen Sulfiden
Views (Image: 1589369996): 243
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

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Ovamboit
Google-Bilder-Suche - search for: Ovamboit
Mineralienatlas.de (Forum) - search for: Ovamboit

English pages

Mindat - search for: Ovamboite
Webmineral - search for:Ovamboite
Handbook-of-Mineralogy - search for: Ovamboite
RRUFF - Raman, XRD and other mineral data - search for: Ovamboite
RRUFF - References and PDF downloads - search for: Ovamboite
American-Mineralogist-Crystal-Structure-Database - search for: Ovamboite
Strahlen.org - search for: Ovamboite

Russian pages

Webmineral.ru - search for: Овамбоит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Ovamboit
Crystal-Treasure.com - search for: Ovamboit
Bosse - search for: Ovamboit
Edelsteine Neuburg - Gundolf Fischer - search for: Ovamboit

Locations with GPS information