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Kalungaite

A valid IMA mineral species
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08885230017271948804589.jpg
Kalungaite, etc.

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
05368930017559548673901.jpg
Kalungaite

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
08368900017455353039518.jpg
Kalungaite, etc.

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
08885230017271948804589.jpg
Kalungaite, etc.

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
05138190017559201785879.jpg
Kalungaite

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
08565000017455238483250.jpg
Kalungaite, etc.

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
08885230017271948804589.jpg
Kalungaite, etc.

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
07808400017559548675716.jpg
Kalungaite

Buraco do Ouro mine, Cavalcante, Goiás, Brazil
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About KalungaiteHide

Formula:
PdAsSe
Colour:
Lead-grey
Lustre:
Metallic
Specific Gravity:
7.59 (Calculated)
Crystal System:
Isometric
Member of:
Cobaltite Group
Name:
Named in honor of the Kalunga people, "a community of descendants of African slaves living outside Cavalcante and other nearby towns."
This page provides mineralogical data about Kalungaite.


Unique IdentifiersHide

Mindat ID:
27492
Long-form identifier:
mindat:1:1:27492:0

IMA Classification of KalungaiteHide

Classification of KalungaiteHide

Strunz-mindat (2026):
2.EB.25

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

Physical Properties of KalungaiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Lead-grey
Streak:
Black
Hardness:
VHN25=429 - 455 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
7.59 g/cm3 (Calculated)

Optical Data of KalungaiteHide

Reflectivity:
WavelengthR1 (%)
470nm47.5%
546nm46.9%
589nm46.8%
650nm48.0%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 48.0%.
Colour in reflected light:
Cream, creamy grey (adjacent to gold grains)
Internal Reflections:
None

Chemistry of KalungaiteHide

Mindat Formula:
PdAsSe
Element Weights:
Element% weight
Pd40.883 %
Se30.334 %
As28.783 %

Calculated from ideal end-member formula.
Pd
Se
As
Elements listed:
As, Pd, Se - search for minerals with similar chemistry
Common Impurities:
Sb,Bi,S

Crystallography of KalungaiteHide

Crystal System:
Isometric
Class (H-M):
m3(2/m3) - Diploidal
Space Group:
Pa3
Cell Parameters:
a = 6.089 Å
Unit Cell V:
225.78 ų
Z:
4

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014013KalungaiteFoecker A J, Jeitschko W (2001) The atomic order of the pnictogen and chalcogen atoms in equiatomic ternary Journal of Solid State Chemistry 162 69-782001synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.027 Å(75)
1.838 Å(100)
1.172 Å(95)
1.077 Å(80)
0.988 Å(70)
0.929 Å(90)
0.918 Å(70)
Locality:
Buraco do Ouro mine, Cavalcante, Goiás, Brazil
Reference:
Botelho, N. F., Moura, M. A., Peterson, R. C., Stanley, C. J., Silva, D. V. G. (2006) Kalungaite, PdAsSe, a new platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goiás State, Brazil. Mineralogical Magazine, 70 (1) 123-130 doi:10.1180/0026461067010318
Comments:
Format: d/Å (I/%) (hkl), data from type description

Geological EnvironmentHide

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

Type Occurrence of KalungaiteHide

Type Locality:
ⓘ Buraco do Ouro mine, Cavalcante, Goiás, Brazil
General Appearance of Type Material:
platy anhedral aggregates, up to 0.2 mm across
Place of Conservation of Type Material:
Cotype sample (polished section CAV1B) at The Natural History Museum in London (BM2004,35).
Geological Setting of Type Material:
foliation planes of a quartz-muscovite mylonite, related to a peraluminous granite
Associated Minerals at Type Locality:
BohdanowicziteChalcopyriteClausthaliteNative GoldGuanajuatite
PadmaiteSperryliteStibiopalladinite
Reference:
Botelho, N. F., Moura, M. A., Peterson, R. C., Stanley, C. J., Silva, D. V. G. (2006) Kalungaite, PdAsSe, a new platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goiás State, Brazil. Mineralogical Magazine, 70 (1) 123-130 doi:10.1180/0026461067010318

Synonyms of KalungaiteHide

Other Language Names for KalungaiteHide

German:Kalungait
Simplified Chinese:硒砷钯矿
Traditional Chinese:硒砷鈀礦

Relationship of Kalungaite to other SpeciesHide

Member of:
Cobaltite Group
Other Members of Cobaltite Group:
AndrieslombaarditeRhSbSIso. 23 : P213
ChangchengiteIrBiSIso. 23 : P213
CobaltiteCoAsSOrth. mm2 : Pca21
GersdorffiteNiAsSIso. 23 : P213
GuixiangiteNiBiSIso. 23 : P213
Hollingworthite(Rh,Pt,Pd)AsSIso. m3(2/m3) : Pa3
Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3(2/m3) : Pa3
JolliffeiteNiAsSeIso. m3(2/m3) : Pa3
MaslovitePtBiTeIso. 23 : P213
MayingiteIrBiTeIso. m3(2/m3) : Pa3
MicheneritePdBiTeIso. 23 : P213
MilotaitePdSbSeIso. 23 : P213
PadmaitePdBiSeIso. 432
'Platarsite'Pt(As,S)2Iso. m3(2/m3) : Pa3
SulfopadmaitePdBiSIso. 23 : P213
TestibiopalladitePdSbTeIso.
TolovkiteIrSbSIso.
UllmanniteNiSbSIso. 23 : P213
'UM1991-19-Se:AsCo'(Co,Ni)AsSeIso. m3(2/m3) : Pm3
WillyamiteCoSbS

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Kalungaite associated with Native GoldAu
2 photos of Kalungaite associated with GuanajuatiteBi2Se3
1 photo of Kalungaite associated with BohdanowicziteAgBiSe2
1 photo of Kalungaite associated with PoubaitePbBi2(Se,Te,S)4

Related Minerals - Strunz-mindat GroupingHide

2.EB.SelenolauriteRuSe2Iso. m3(2/m3) : Pa3
2.EB.AndrieslombaarditeRhSbSIso. 23 : P213
2.EB.Iridarsenite(Ir,Ru)As2Mon. 2/m : P21/c
2.EB.Kanatzidisite(SbBiS3)2Te2Mon. 2/m : P21/m
2.EB.05aVaesiteNiS2Iso. m3(2/m3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3(2/m3) : Pa3
2.EB.05aLauriteRuS2Iso. m3(2/m3) : Pa3
2.EB.05aGaotaiiteIr3Te8Iso. m3(2/m3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3(2/m3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3(2/m3) : Pa3
2.EB.05aVillamanínite(Cu,Ni,Co,Fe)S2Tric.
2.EB.05aErlichmaniteOsS2Iso. m3(2/m3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3(2/m3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3(2/m3) : Pa3
2.EB.05aCattieriteCoS2Iso. m3(2/m3) : Pa3
2.EB.05aAurostibiteAuSb2Iso. m3(2/m3) : Pa3
2.EB.05aTrogtaliteCoSe2Iso. m3(2/m3) : Pa3
2.EB.05a v'Cayeuxite'
2.EB.05aKruťaiteCuSe2Iso. m3(2/m3) : Pa3
2.EB.05aPyriteFeS2Iso. m3(2/m3) : Pa3
2.EB.05aInsizwaitePtBi2Iso. m3(2/m3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aDzharkeniteFeSe2Iso. m3(2/m3) : Pa3
2.EB.10aMarcasiteFeS2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10eParacostibiteCoSbSOrth. mmm(2/m2/m2/m) : Pbca
2.EB.10fOeniteCoSbAsOrth.
2.EB.10ePararammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pbca
2.EB.10aMattagamiteCoTe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm(2/m2/m2/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/m2/m2/m) : Pnnm
2.EB.10aKulleruditeNiSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFerroseliteFeSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15bSeinäjokiteFeSb2Orth.
2.EB.15aRammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15cPaxiteCuAs2Mon. 2/m : P21/c
2.EB.15aNisbiteNiSb2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aLöllingiteFeAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aOmeiiteOsAs2Orth.
2.EB.15aAnduoiteRuAs2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/c
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20GudmunditeFeSbSMon. 2/m : P21/c
2.EB.25MayingiteIrBiTeIso. m3(2/m3) : Pa3
2.EB.25MaslovitePtBiTeIso. 23 : P213
2.EB.25ParagersdorffiteNi(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25OrthogersdorffiteNiAsSOrth. mm2 : Pca21
2.EB.25SulfopadmaitePdBiSIso. 23 : P213
2.EB.25JolliffeiteNiAsSeIso. m3(2/m3) : Pa3
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GuixiangiteNiBiSIso. 23 : P213
2.EB.25TestibiopalladitePdSbTeIso.
2.EB.25 va'Antimony-bearing Gersdorffite'Ni(As,Sb)S
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3(2/m3) : Pa3
2.EB.25MicheneritePdBiTeIso. 23 : P213
2.EB.25GersdorffiteNiAsSIso. 23 : P213
2.EB.25MilotaitePdSbSeIso. 23 : P213
2.EB.25TolovkiteIrSbSIso.
2.EB.25'Platarsite'Pt(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiSIso. 23 : P213
2.EB.25KvačekiteNiSbSeIso. 23 : P213
2.EB.25KrutoviteNiAs2Iso. 23 : P213
2.EB.25PadmaitePdBiSeIso. 432
2.EB.25UllmanniteNiSbSIso. 23 : P213
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3(2/m3) : Pa3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet. 4/mmm(4/m2/m2/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 KalungaiteHide

References for KalungaiteHide

Localities for KalungaiteHide

Showing 1 localities.

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.
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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.
Brazil (TL)
 
  • Goiás
    • Cavalcante
Menez +2 other references
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