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Kalungaite

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About KalungaiteHide

Formula:
PdAsSe
Colour:
Lead-grey
Lustre:
Metallic
Specific Gravity:
7.59 (Calculated)
Crystal System:
Isometric
Member of:
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.


Classification of KalungaiteHide

Approved
Approval Year:
2004
First Published:
2006
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.

Physical Properties of KalungaiteHide

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:
470 nmR=47.5%
546 nmR=46.9%
589 nmR=46.8%
650 nmR=48.0%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 48.0%.
Colour in reflected light:
Cream, creamy grey (adjacent to gold grains)
Internal Reflections:
None

Chemical Properties of KalungaiteHide

Formula:
PdAsSe
Common Impurities:
Sb,Bi,S

Crystallography of KalungaiteHide

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - 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)
Comments:
Format: d/Å (I/%) (hkl), data from type description

Type Occurrence of KalungaiteHide

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:
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: 123-130.

Synonyms of KalungaiteHide

Other Language Names for KalungaiteHide

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

Relationship of Kalungaite to other SpeciesHide

Member of:
Other Members of this group:
ChangchengiteIrBiSIso.
CobaltiteCoAsSOrth. mm2 : Pca21
GersdorffiteNiAsSIso. m3 (2/m 3) : Pa3
Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3)
Irarsite(Ir,Ru,Rh,Pt)AsSIso.
JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
MaslovitePtBiTeIso. 2 3 : P21 3
MayingiteIrBiTeIso. m3 (2/m 3) : Pa3
MicheneritePdBiTeIso. 2 3 : P21 3
MilotaitePdSbSeIso. 2 3 : P21 3
PadmaitePdBiSeIso.
PlatarsitePtAsSIso.
TestibiopalladitePdTe(Sb,Te)Iso.
TolovkiteIrSbSIso.
UllmanniteNiSbSIso. 2 3 : P21 3
WillyamiteCoSbS

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Kalungaite associated with GoldAu
1 photo of Kalungaite associated with GuanajuatiteBi2Se3

Related Minerals - Nickel-Strunz GroupingHide

2.EB.05aAurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aCattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.EB.05aErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3 (2/m 3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.EB.05aInsizwaitePt(Bi,Sb)2Iso. m3 (2/m 3) : Pa3
2.EB.05aKrut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aLauriteRuS2Iso. m3 (2/m 3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.EB.05aPyriteFeS2Iso. m3 (2/m 3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.EB.05aTrogtaliteCoSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aVaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.EB.05aVillamaninite(Cu,Ni,Co,Fe)S2Tric.
2.EB.05aDzharkeniteFeSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aGaotaiiteIr3Te8Iso.
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10aFerroseliteFeSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aKulleruditeNiSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMarcasiteFeS2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMattagamiteCoTe2Orth.
2.EB.10eParacostibiteCoSbSOrth.
2.EB.10ePararammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10fOeniteCoSbAsOrth.
2.EB.15aAnduoite(Ru,Os)As2Orth.
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15aLöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aNisbiteNiSb2Orth.
2.EB.15aOmeiite(Os,Ru)As2Orth.
2.EB.15cPaxiteCuAs2Mon.
2.EB.15aRammelsbergiteNiAs2Orth. 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.15bSeinäjokite(Fe,Ni)(Sb,As)2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GersdorffiteNiAsSIso. m3 (2/m 3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3)
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso.
2.EB.25JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
2.EB.25KrutoviteNiAs2Iso.
2.EB.25MaslovitePtBiTeIso. 2 3 : P21 3
2.EB.25MicheneritePdBiTeIso. 2 3 : P21 3
2.EB.25PadmaitePdBiSeIso.
2.EB.25PlatarsitePtAsSIso.
2.EB.25TestibiopalladitePdTe(Sb,Te)Iso.
2.EB.25TolovkiteIrSbSIso.
2.EB.25UllmanniteNiSbSIso. 2 3 : P21 3
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiSIso.
2.EB.25MayingiteIrBiTeIso. m3 (2/m 3) : Pa3
2.EB.25Hollingsworthite(Rh,Pt,Pd)AsS
2.EB.25MilotaitePdSbSeIso. 2 3 : P21 3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet.
2.EB.35RheniiteReS2Tric.

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.

References for KalungaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Foecker, A.J. and Jeitschko, W. (2001) The atomic order of the pnicogen and chalcogen atoms in equiatomic ternary compounds TPnCh (T=Ni, Pd; Pn=P, As, Sb; Ch=S, Se, Te). Journal of Solid State Chemistry: 162: 69-78.
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: 123-130.
Piilonen, P.C., Rowe, R., Ercit, T.S., Locock, A.J. (2006) New mineral names. American Mineralogist: 91: 1452-1457.

Internet Links for KalungaiteHide

Localities for KalungaiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil (TL)
 
  • Goiás
    • Cavalcante
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, 123-130; Menez, J.; Botelho, N. F. (2017): Ore characterization and textural relationships among gold, selenides, platinum-group minerals and uraninite at the granite-related Buraco do Ouro gold mine, Cavalcante, Central Brazil. Mineralogical Magazine 81, 463-476.
 
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