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Oenite

A valid IMA mineral species
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01417880017271928765159.jpg
Oen Ing Soen
Formula:
CoSbAs
Colour:
Silver white
Lustre:
Metallic
Hardness:
5 - 5½
Specific Gravity:
7.91 (Calculated)
Crystal System:
Orthorhombic
Name:
Named after Oen Ing Soen (30 June 1928, Semarang, Indonesia (then Dutch East Indies) - 14 October 1996, Amsterdam, Netherlands), Professor of Petrology, Mineralogy and Ore Geology at the University of Amsterdam and the Free University in Amsterdam.
This page provides mineralogical data about Oenite.


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Unique IdentifiersHide

Mindat ID:
7201
Long-form identifier:
mindat:1:1:7201:0

IMA Classification of OeniteHide

Classification of OeniteHide

Strunz-mindat (2025):
2.EB.10f

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, 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
OenIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of OeniteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Silver white
Streak:
Gray
Hardness:
5 - 5½ on Mohs scale
Hardness:
VHN100=599 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
7.91 g/cm3 (Calculated)

Optical Data of OeniteHide

Anisotropism:
Distinct, reddish brown to darker pale violet
Bireflectance:
None in air, weak in oil
Reflectivity:
WavelengthR1 (%)R2 (%)
470nm58.2% 55.5%
546nm56.8% 55.6%
589nm55.8% 55.5%
650nm55.0% 55.5%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 58.2%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Silver white in air, creamy tint in oil
Pleochroism:
Weak
Comments:
None in air. Very weak in oil, white to slightly darker creamy white.

Chemistry of OeniteHide

Mindat Formula:
CoSbAs
Element Weights:
Element% weight
Sb47.634 %
As29.310 %
Co23.056 %

Calculated from ideal end-member formula.
Elements listed:
As, Co, Sb - search for minerals with similar chemistry

Crystallography of OeniteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 3.304 Å, b = 6.092 Å, c = 10.258 Å
Ratio:
a:b:c = 0.542 : 1 : 1.684
Unit Cell V:
206.47 ų (Calculated from Unit Cell)
Twinning:
None observed
Comment:
Class : nd; Space Group: nd

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.63 Å(100)
1.942 Å(100)
2.53 Å(80)
1.1182 Å(80)
1.730 Å(40)
1.640 Å(40)
1.3963 Å(40)

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 OeniteHide

Type Locality:
ⓘ Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland County, Sweden
General Appearance of Type Material:
Up to 300 µm silver-white anhedral aggregates in chalcopyrite as replacements of cobaltite and lollingite.
Place of Conservation of Type Material:
Instituut voor Aardwetenschappen, Vrije Universiteit, Amsterdam.
Geological Setting of Type Material:
In arsenide rich chalcopyrite ore. Skarn.
Associated Minerals at Type Locality:
AllargentumNative BismuthBorniteBreithauptiteChalcopyrite
CobaltiteGudmunditeLöllingiteNisbiteTetrahedrite Subgroup
Reference:
Dobbe, R. T. M., Zakrzewski, M. A. (1998) Oenite, CoSbAs, a new mineral species from the Tunaberg Cu–Co–sulfide skarns, Bergslagen, Sweden. The Canadian Mineralogist, 36 (3) 855-860

Synonyms of OeniteHide

Other Language Names for OeniteHide

German:Oenit
Spanish:Oenita

Relationship of Oenite to other SpeciesHide

Member of:
Löllingite Group
Other Members of Löllingite Group:
AlloclasiteCo1-xFexAsSMon. 2 : P21
Anduoite(Ru,Os)As2Orth.
ClinosaffloriteCoAs2Mon. 2/m : P21/m
CostibiteCoSbSOrth. mm2 : Pmn21
LöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
NisbiteNiSb2Orth. mmm (2/m 2/m 2/m) : Pnnm
Omeiite(Os,Ru)As2Orth.
ParacostibiteCoSbSOrth. mmm (2/m 2/m 2/m) : Pbca
PararammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pbca
RammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
Safflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
UM1998-01-AsSb:CoFeNi(Fe,Ni)SbAs

Related Minerals - Strunz-mindat GroupingHide

2.EB.SelenolauriteRuSe2Iso. m3 (2/m 3) : Pa3
2.EB.AndrieslombaarditeRhSbSIso. 2 3 : P21 3
2.EB.Iridarsenite(Ir,Ru)As2Mon. 2/m : P21/b
2.EB.Kanatzidisite(SbBiS3)2Te2Mon. 2/m : P21/m
2.EB.05aVaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.EB.05aLauriteRuS2Iso. m3 (2/m 3) : Pa3
2.EB.05aGaotaiiteIr3Te8Iso. m3 (2/m 3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
2.EB.05aVillamanínite(Cu,Ni,Co,Fe)S2Tric.
2.EB.05aErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3 (2/m 3) : Pa3
2.EB.05aCattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.EB.05aAurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.EB.05aTrogtaliteCoSe2Iso. m3 (2/m 3) : Pa3
2.EB.05a vCayeuxite
2.EB.05aKruťaiteCuSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aPyriteFeS2Iso. m3 (2/m 3) : Pa3
2.EB.05aInsizwaitePt(Bi,Sb)2Iso. m3 (2/m 3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aDzharkeniteFeSe2Iso. m3 (2/m 3) : Pa3
2.EB.10aMarcasiteFeS2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10eParacostibiteCoSbSOrth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10ePararammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10aMattagamiteCoTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aPetříčekiteCuSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aKulleruditeNiSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aFerroseliteFeSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15bSeinäjokiteFeSb2Orth.
2.EB.15aRammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15cPaxiteCuAs2Mon. 2/m : P21/b
2.EB.15aNisbiteNiSb2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aLöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aOmeiite(Os,Ru)As2Orth.
2.EB.15aAnduoite(Ru,Os)As2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.25MayingiteIrBiTeIso. m3 (2/m 3) : Pa3
2.EB.25MaslovitePtBiTeIso. 2 3 : P21 3
2.EB.25ParagersdorffiteNi(As,S)2Iso. m3 (2/m 3) : Pa3
2.EB.25OrthogersdorffiteNiAsSOrth. mm2 : Pca21
2.EB.25JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GuixiangiteNiBiSIso. 2 3 : P21 3
2.EB.25TestibiopalladitePdSbTeIso.
2.EB.25 vaAntimony-bearing GersdorffiteNi(As,Sb)S
2.EB.25KalungaitePdAsSeIso. m3 (2/m 3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3) : Pa3
2.EB.25MicheneritePdBiTeIso. 2 3 : P21 3
2.EB.25GersdorffiteNiAsSIso. 2 3 : P21 3
2.EB.25MilotaitePdSbSeIso. 2 3 : P21 3
2.EB.25TolovkiteIrSbSIso.
2.EB.25PlatarsitePt(As,S)2Iso. m3 (2/m 3) : Pa3
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiSIso. 2 3 : P21 3
2.EB.25KvačekiteNiSbSeIso. 2 3 : P21 3
2.EB.25KrutoviteNiAs2Iso. 2 3 : P21 3
2.EB.25PadmaitePdBiSeIso. 4 3 2
2.EB.25UllmanniteNiSbSIso. 2 3 : P21 3
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3 (2/m 3) : Pa3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.EB.35RheniiteReS2Tric. 1 : P1

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 OeniteHide

References for OeniteHide

Localities for OeniteHide

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.
Russia
 
  • Krasnoyarsk Krai
    • Maimecha and Kotui Rivers Basin
Гриценко et al. (2021)
Sweden (TL)
 
  • Södermanland County
    • Nyköping
      • Tunaberg
Dobbe et al. (1998)
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