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Kalungaite

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Formula:
PdAsSe
System:IsometricColour:Lead-grey
Name:For the Kalunga people
This page provides mineralogical data about Kalungaite.

Classification of Kalungaite

IMA status:Approved 2004
Strunz 8th edition ID:2/D.18-55
Nickel-Strunz 10th (pending) edition ID: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.
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Type Occurrence of Kalungaite

Type Locality:Buraco do Ouro mine, Cavalcante, Goiás, Brazil
General Appearance of Type Material:platy anhedral aggregates, up to 0.2 mm across
Geological Setting of type material:foliation planes of a quartz-muscovite mylonite, related to a peraluminous granite
Associated Minerals at type locality:
StibiopalladiniteSperrylitePadmaiteGuanajuatiteGold
ClausthaliteChalcopyriteBohdanowiczite

Physical Properties of Kalungaite

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

Crystallography of Kalungaite

Crystal System:Isometric
Class (H-M):m3 (2/m 3) - Diploidal
Space Group:Pa3 {P21/a 3}
Cell Parameters:a = 6.089Å
Unit Cell Volume:V 225.78 ų
Z:4
X-Ray Powder Diffraction:
d-spacingIntensity
3.027 (75)
1.838 (100)
1.172 (95)
1.077 (80)
0.988 (70)
0.929 (90)
0.918 (70)
Comments:Format: d/Å (I/%) (hkl), data from type description

Optical Data of Kalungaite

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


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

Chemical Properties of Kalungaite

Formula:
PdAsSe
All elements listed in formula:As, Pd, Se
Analytical Data:Average values out of eight electron-microprobe analyses
Pd (41.32)
As (27.49)
Bi (0.35)
Sb (1.59)
Se (27.67)
S (1.22)

total 99.64 wt.-%
Empirical Formula:
Pd
 
1.006
(As
 
0.950
Sb
 
0.034
Bi
 
0.004
)
 
0.988
(Se
 
0.908
S
 
0.099
)
 
1.007
Common Impurities:Sb,Bi,S

Relationship of Kalungaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.EB.05aAurostibite
AuSb
 
2
2.EB.05bBambollaite
Cu(Se,Te)
 
2
2.EB.05aCattierite
CoS
 
2
2.EB.05aErlichmanite
OsS
 
2
2.EB.05aFukuchilite
Cu
 
3
FeS
 
8
2.EB.05aGeversite
PtSb
 
2
2.EB.05aHauerite
MnS
 
2
2.EB.05aInsizwaite
Pt(Bi,Sb)
 
2
2.EB.05aKrut'aite
CuSe
 
2
2.EB.05aLaurite
RuS
 
2
2.EB.05aPenroseite
(Ni,Co,Cu)Se
 
2
2.EB.05aPyrite
FeS
 
2
2.EB.05aSperrylite
PtAs
 
2
2.EB.05aTrogtalite
CoSe
 
2
2.EB.05aVaesite
NiS
 
2
2.EB.05aVillamaninite
(Cu,Ni,Co,Fe)S
 
2
2.EB.05aDzharkenite
FeSe
 
2
2.EB.05aGaotaiite
Ir
 
3
Te
 
8
2.EB.10bAlloclasite
Co
 
1-x
Fe
 
x
AsS
2.EB.10dCostibite
CoSbS
2.EB.10aFerroselite
FeSe
 
2
2.EB.10aFrohbergite
FeTe
 
2
2.EB.10cGlaucodot
(Co
 
0.50
Fe
 
0.50
)AsS
2.EB.10aKullerudite
NiSe
 
2
2.EB.10aMarcasite
FeS
 
2
2.EB.10aMattagamite
CoTe
 
2
2.EB.10eParacostibite
CoSbS
2.EB.10ePararammelsbergite
NiAs
 
2
2.EB.10fOenite
CoSbAs
2.EB.15aAnduoite
(Ru,Os)As
 
2
2.EB.15aClinosafflorite
(Co,Fe,Ni)As
 
2
2.EB.15aLöllingite
FeAs
 
2
2.EB.15aNisbite
NiSb
 
2
2.EB.15aOmeiite
(Os,Ru)As
 
2
2.EB.15cPaxite
CuAs
 
2
2.EB.15aRammelsbergite
NiAs
 
2
2.EB.15aSafflorite
(Co,Fe,Ni)As
 
2
2.EB.15bSeinäjokite
(Fe,Ni)(Sb,As)
 
2
2.EB.20Arsenopyrite
FeAsS
2.EB.20Gudmundite
FeSbS
2.EB.20Osarsite
(Os,Ru)AsS
2.EB.20Ruarsite
(Ru,Os)AsS
2.EB.25Cobaltite
CoAsS
2.EB.25Gersdorffite
NiAsS
2.EB.25Hollingworthite
(Rh,Pt,Pd)AsS
2.EB.25Irarsite
(Ir,Ru,Rh,Pt)AsS
2.EB.25Jolliffeite
NiAsSe
2.EB.25Krutovite
NiAs
 
2
2.EB.25Maslovite
PtBiTe
2.EB.25Michenerite
PdBiTe
2.EB.25Padmaite
PdBiSe
2.EB.25Platarsite
(Pt,Rh,Ru)AsS
2.EB.25Testibiopalladite
PdTe(Sb,Te)
2.EB.25Tolovkite
IrSbS
2.EB.25Ullmannite
NiSbS
2.EB.25Willyamite
(Co,Ni)SbS
2.EB.25Changchengite
IrBiS
2.EB.25Mayingite
IrBiTe
2.EB.25Hollingsworthite
2.EB.25Milotaite
PdSbSe
2.EB.30Urvantsevite
Pd(Bi,Pb)
 
2
2.EB.35Rheniite
ReS
 
2

Other Names for Kalungaite

Synonyms:
IMA2004-047
Other Languages:
Russian:Калунгаит

Other Information

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

References for Kalungaite

Reference List:

- +
- Foecker, A.J. & 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

Internet Links for Kalungaite

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    • Localities for Kalungaite

    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Brazil
     
    • 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
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