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Ovamboite

A valid IMA mineral species
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03807480015741550885118.jpg
Ovamboite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
02261730014977519052246.png
Ovamboite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
01140620015859279289509.jpg
Ovamboite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03626980015737738339325.jpg
Ovamboite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
08749400014947116483276.png
Ovamboite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03550580015635400721194.jpg
Ovamboite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03807480015741550885118.jpg
Ovamboite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
08749400014947116483276.png
Ovamboite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
Hide all sections | Show all sections

About OvamboiteHide

01492480014947119958952.jpg
Typical landscape in Ovamboland

Oshikoto Region, Namibia
Formula:
Cu20(Fe,Cu,Zn)6W2Ge6S32
Colour:
Whitish to pale yellow
Lustre:
Metallic
Specific Gravity:
4.736 (Calculated)
Crystal System:
Isometric
Name:
Derived from the location of the Tsumeb deposit, which is in the Ovamboland region of Namibia.
This page provides mineralogical data about Ovamboite.


Unique IdentifiersHide

Mindat ID:
26581
Long-form identifier:
mindat:1:1:26581:6
GUID
(UUID V4):
65363572-bd79-4cf9-86e5-3b62e6c681a3

IMA Classification of OvamboiteHide

Classification of OvamboiteHide

Strunz-mindat (2024):
2.CB.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
OvaIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of OvamboiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Whitish to pale yellow
Hardness:
VHN30=265 - 340 kg/mm2 - Vickers
Cleavage:
None Observed
Density:
4.736 g/cm3 (Calculated)

Optical Data of OvamboiteHide

Reflectivity:
WavelengthR
400nm23.0%
420nm23.3%
440nm23.7%
460nm24.1%
470nm24.0%
480nm23.9%
500nm24.1%
520nm24.2%
540nm24.3%
546nm24.3%
560nm24.4%
580nm24.5%
589nm24.4%
600nm24.3%
620nm24.1%
640nm24.3%
650nm24.0%
660nm23.7%
680nm23.9%
700nm24.2%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 24.5%.
Colour in reflected light:
Whitish to pale yellow, pinkish gray.
Internal Reflections:
None.

Chemistry of OvamboiteHide

Mindat Formula:
Cu20(Fe,Cu,Zn)6W2Ge6S32
Elements listed:
Cu, Fe, Ge, S, W, Zn - search for minerals with similar chemistry

Crystallography of OvamboiteHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
P4 3n
Cell Parameters:
a = 10.68 Å
Unit Cell V:
1,218.19 ų (Calculated from Unit Cell)
Z:
1
Comment:
By analogy with the germanite group

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.08 Å(100)
1.887 Å(70)
1.612 Å(50)
2.67 Å(20)
1.225 Å(15)
1.543 Å(10)
1.333 Å(10)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of OvamboiteHide

Type Locality:
ⓘ Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
General Appearance of Type Material:
Distinct round segregations and emulsion dissemination in germanite aggregates and as outer zones of maikainite crystal overgrowths on Ge-colusite, usually 1-20 µm.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia.
Mining Museum, St. Petersburg, Russia.
Associated Minerals at Type Locality:
MaikainiteGermaniteColusite
Reference:
Spiridonov, E.M. (2003) Maikainite Cu20(Fe,Cu)6Mo2Ge6S32 and ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32: New minerals in massive sulfide base metal ores. Doklady Earth Sciences: 393A: 1329-1332.
Download:
https://rruff.info/rruff_1.0/uploads/DES393A-1329.pdf

Synonyms of OvamboiteHide

Other Language Names for OvamboiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
19 photos of Ovamboite associated with GermaniteCu13Fe2Ge2S16
18 photos of Ovamboite associated with Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
10 photos of Ovamboite associated with GalenaPbS
7 photos of Ovamboite associated with GalliteCuGaS2
7 photos of Ovamboite associated with Tennantite SubgroupCu6(Cu4C2+2)As4S12S
6 photos of Ovamboite associated with ChalcociteCu2S
4 photos of Ovamboite associated with QuartzSiO2
4 photos of Ovamboite associated with SphaleriteZnS
2 photos of Ovamboite associated with Tennantite-(Zn)Cu6(Cu4Zn2)As4S12S
1 photo of Ovamboite associated with MaikainiteCu20(Fe,Cu)6Mo2Ge6S32

Related Minerals - Strunz-mindat GroupingHide

2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.RichardsiteZn2CuGaS4Tet. 4 2m : I4 2m
2.CB.GachingiteAu(Te1-xSex)Orth. mmm (2/m 2/m 2/m)
2.CB.TolstykhiteAu3S4Te6Tric. 1 : P1
2.CB.HanswilkeiteKFeS2Mon. 2/m : B2/b
2.CB.AuroselenideAuSeMon. 2/m : B2/m
2.CB.Ruizhongite(Ag2◻)Pb3Ge2S8Iso. 4 3m : I4 3d
2.CB.OkruginiteCu2SnSe3Mon. m : Bb
2.CB.05aColoradoiteHgTeIso. 4 3m : F4 3m
2.CB.05aHawleyiteCdSIso. 4 3m : F4 3m
2.CB.05aMetacinnabarHgSIso. 4 3m : F4 3m
2.CB.05cPolhemusite(Zn,Hg)STet.
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4 Iso.
2.CB.05aSphaleriteZnSIso. 4 3m : F4 3m
2.CB.05aStilleiteZnSeIso. 4 3m : F4 3m
2.CB.05aTiemanniteHgSeIso. 4 3m : F4 3m
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aRudashevskyite(Fe,Zn)SIso. 4 3m : F4 3m
2.CB.05aIshiharaite(Cu,Ga,Fe,In,Zn)SIso. 4 3m : F4 3m
2.CB.07aShenzhuangiteNiFeS2Tet. 4 2m : I4 2d
2.CB.07aUnnamed (Cu-Mn-Sn Sulpide)Cu2MnSnS4
2.CB.10aChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.CB.10aEskeborniteCuFeSe2Tet. 4 2m : P4 2c
2.CB.10aGalliteCuGaS2Tet. 4 2m : I4 2d
2.CB.10bHaycockiteCu4Fe5S8Orth. 2 2 2
2.CB.10aLenaiteAgFeS2Tet. 4 2m : I4 2d
2.CB.10bMooihoekiteCu9Fe9S16Tet. 4 2m : P4 2m
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso. m3m (4/m 3 2/m) : Pn3m
2.CB.10aRoquesiteCuInS2Tet. 4 2m : I4 2d
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m
2.CB.10aLaforêtiteAgInS2Tet. 4 2m : I4 2d
2.CB.10aUnnamed (Cu-Zn-In Sulphide)CuZn2InS4
2.CB.10aUM1984-30-S:CuFeSnCu2Fe2Sn3S7
2.CB.10cOmariniiteCu8Fe2ZnGe2S12Orth. 2 2 2 : I2 2 2
2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4Tet. 4 2m : I4 2m
2.CB.15aFerrokësteriteCu2FeSnS4Tet. 4 : I4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 4 2m : I4 2m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aKësterite Cu2ZnSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet. 4 2m : I4 2m
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 4 2m : I4 2m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth. 2 2 2 : I2 2 2
2.CB.15aVelikiteCu2HgSnS4Tet. 4 : I4
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.17a vArsenic-bearing RenieriteCu11GeAsFe4S16
2.CB.20ChatkaliteCu6FeSn2S8Tet. 4 2m : P4m2
2.CB.20MawsoniteCu6Fe2SnS8Tet. 4 2m : P4m2
2.CB.30Argyropyritenear Ag2Fe7S11
2.CB.30ColusiteCu13VAs3S16Iso. 4 3m : P4 3n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 4 3m : P4 3n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso. 4 3m : P4 3m
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso. 4 3m : P4 3n
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso. 4 3m : P4 3m
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32Iso. m3m (4/m 3 2/m)
2.CB.30FrieseiteAg2Fe5S8 (?)
2.CB.35aHemusiteCu6SnMoS8Iso.
2.CB.35aKiddcreekiteCu6SnWS8Iso. 4 3m : F4 3m
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4Iso.
2.CB.35aRenierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16Tet. 4 2m : P4 2c
2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.
2.CB.35bCatamarcaiteCu6GeWS8Hex. 6mm : P63mc
2.CB.40LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
2.CB.42LingbaoiteAgTe3Trig. 3m : R3m
2.CB.45CadmoseliteCdSeHex. 6mm : P63mc
2.CB.45GreenockiteCdSHex. 6mm : P63mc
2.CB.45Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.CB.45RambergiteMnSHex. 6mm : P63mc
2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
2.CB.45MaletoyvayamiteAu3Se4Te6Tric. 1 : P1
2.CB.47MurchisiteCr5S6Trig. 3m (3 2/m) : P3 1c
2.CB.50ZincselenideZnSe
2.CB.50WassoniteTiSTrig. 3m (3 2/m) : R3m
2.CB.52DzhezkazganiteReMoCu2PbS6 ?Trig. 3m : R3m
2.CB.55aCubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.55bIsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
2.CB.60PicotpauliteTlFe2S3Orth. mmm (2/m 2/m 2/m) : Cmcm
2.CB.60RaguiniteTlFeS2Orth.
2.CB.65ArgentopyriteAgFe2S3Mon. 2/m
2.CB.65SternbergiteAgFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.70SulvaniteCu3VS4Iso. 4 3m : P4 3m
2.CB.75VulcaniteCuTeOrth. mmm (2/m 2/m 2/m)
2.CB.80EmpressiteAgTeOrth. mmm (2/m 2/m 2/m)
2.CB.85MuthmanniteAuAgTe2Mon. 2/m : P2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for OvamboiteHide

References for OvamboiteHide

Localities for OvamboiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Namibia (TL)
 
  • Oshikoto Region
    • Tsumeb
Spiridonov (2003)
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