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Platarsite

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Mount Filipp, Kamchatka Oblast', Far-Eastern Region, Russia
© 2008, J. Weissman

Formula:
(Pt,Rh,Ru)AsS
System:IsometricColour:Gray
Hardness:7½


Cobaltite Group.

Classification of Platarsite

IMA status:Approved
Strunz 8th edition ID:2/D.18-70
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.
Dana 8th edition ID:2.12.3.6

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
Hey's CIM Ref.:3.12.51

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
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Type Occurrence of Platarsite

Type Locality:Onverwacht Mine, Lydenburg District, Eastern Bushveld Complex, Mpumalanga Province, South Africa
Year of Discovery:1977

Physical Properties of Platarsite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Gray
Hardness (Mohs):7½

Crystallography of Platarsite

Crystal System:Isometric
Cell Parameters:a = 5.79Å
Unit Cell Volume:V 194.10 ų (Calculated from Unit Cell)

Optical Data of Platarsite

Type:Isotropic

Chemical Properties of Platarsite

Formula:
(Pt,Rh,Ru)AsS
Essential elements:As, Pt, S
All elements listed in formula:As, Pt, Rh, Ru, S
Common Impurities:Ir,Os

Relationship of Platarsite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.EB.05Aurostibite
AuSb
 
2
2.EB.05Bambollaite
Cu(Se,Te)
 
2
2.EB.05Cattierite
CoS
 
2
2.EB.05Erlichmanite
OsS
 
2
2.EB.05Fukuchilite
Cu
 
3
FeS
 
8
2.EB.05Geversite
PtSb
 
2
2.EB.05Hauerite
MnS
 
2
2.EB.05Insizwaite
Pt(Bi,Sb)
 
2
2.EB.05Krut'aite
CuSe
 
2
2.EB.05Laurite
RuS
 
2
2.EB.05Penroseite
(Ni,Co,Cu)Se
 
2
2.EB.05Pyrite
FeS
 
2
2.EB.05Sperrylite
PtAs
 
2
2.EB.05Trogtalite
CoSe
 
2
2.EB.05Vaesite
NiS
 
2
2.EB.05Villamanínite
(Cu,Ni,Co,Fe)S
 
2
2.EB.05Dzharkenite
FeSe
 
2
2.EB.05Gaotaiite
Ir
 
3
Te
 
8
2.EB.10Ferroselite
FeSe
 
2
2.EB.10Frohbergite
FeTe
 
2
2.EB.10Hastite
CoSe
 
2
2.EB.10Kullerudite
NiSe
 
2
2.EB.10Marcasite
FeS
 
2
2.EB.10Mattagamite
CoTe
 
2
2.EB.15Alloclasite
(Co
 
0.65
Fe
 
0.35
)AsS - CoAsS
2.EB.15Anduoite
(Ru,Os)As
 
2
2.EB.15Clinosafflorite
(Co,Fe,Ni)As
 
2
2.EB.15Costibite
CoSbS
2.EB.15Krutovite
NiAs
 
2
2.EB.15Löllingite
FeAs
 
2
2.EB.15Nisbite
NiSb
 
2
2.EB.15Omeiite
(Os,Ru)As
 
2
2.EB.15Paracostibite
CoSbS
2.EB.15Pararammelsbergite
NiAs
 
2
2.EB.15Rammelsbergite
NiAs
 
2
2.EB.15Safflorite
(Co,Fe)As
 
2
2.EB.15Seinäjokite
(Fe,Ni)(Sb,As)
 
2
2.EB.15Oenite
CoSbAs
2.EB.20Arsenopyrite
FeAsS - (Fe
 
0.90
Co
 
0.10
)AsS
2.EB.20Glaucodot
(Fe
 
0.65
Co
 
0.35
)AsS - (Co
 
0.65
Fe
 
0.35
)AsS
2.EB.20Gudmundite
FeSbS
2.EB.20Osarsite
(Os,Ru)AsS
2.EB.20Paxite
CuAs
 
2
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.25Maslovite
PtBiTe
2.EB.25Michenerite
PdBiTe
2.EB.25Padmaite
PdBiSe
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.25Kalungaite
PdAsSe
2.EB.25Milotaite
PdSbSe
2.EB.30Urvantsevite
Pd(Bi,Pb)
 
2
2.EB.35Rheniite
ReS
 
2
Related Minerals - Hey's Index Grouping:
3.12.1Seinäjokite
(Fe,Ni)(Sb,As)
 
2
3.12.2Laurite
RuS
 
2
3.12.3Ruthenarsenite
(Ru,Ni)As
3.12.4Anduoite
(Ru,Os)As
 
2
3.12.5Ruarsite
(Ru,Os)AsS
3.12.6Xingzhongite
(Pb,Cu,Fe)(Ir,Pt,Rh)
 
2
S
 
4
3.12.7Rhodplumsite
Rh
 
3
Pb
 
2
S
 
2
3.12.8Cuprorhodsite
(Cu,Fe)Rh
 
2
S
 
4
3.12.9Konderite
Cu
 
3
Pb(Rh,Pt,Ir)
 
8
S
 
16
3.12.10Bowieite
(Rh,Ir,Pt)
 
2
S
 
3
3.12.11Cherepanovite
RhAs
3.12.12Hollingworthite
(Rh,Pt,Pd)AsS
3.12.13Vysotskite
(Pd,Ni)S
3.12.14Vasilite
(Pd,Cu)
 
16
(S,Te)
 
7
3.12.15Palladseite
Pd
 
17
Se
 
15
3.12.16Oosterboschite
(Pd,Cu)
 
7
Se
 
5
3.12.17Telluropalladinite
Pd
 
9
Te
 
4
3.12.18Temagamite
Pd
 
3
HgTe
 
3
3.12.19Sopcheite
Ag
 
4
Pd
 
3
Te
 
4
3.12.20Michenerite
PdBiTe
3.12.21Kotulskite
Pd(Te,Bi)
 
1-2
3.12.22Telargpalite
(Pd,Ag)
 
3
(Te,Bi)
3.12.23Merenskyite
(Pd,Pt)(Te,Bi)
 
2
3.12.24Palladoarsenide
Pd
 
2
As
3.12.25Stillwaterite
Pd
 
8
As
 
3
3.12.26Atheneite
(Pd,Hg)
 
3
As
3.12.27Majakite
PdNiAs
3.12.28Palarstanide
Pd
 
8
(As,Sn)
 
3
3.12.29Arsenopalladinite
Pd
 
8
(As,Sb)
 
3
3.12.30Vincentite
Pd
 
3
As
3.12.31Palladobismutharsenide
Pd
 
2
(As,Bi)
3.12.32Stibiopalladinite
Pd
 
5
Sb
 
2
3.12.33Hexatestibiopanickelite
Ni(Te,Sb)
3.12.34Sudburyite
(Pd,Ni)Sb
3.12.35Testibiopalladite
PdTe(Sb,Te)
3.12.36Borovskite
Pd
 
3
SbTe
 
4
3.12.37Isomertieite
Pd
 
11
Sb
 
2
As
 
2
3.12.38Mertieite-I
Pd
 
11
(Sb,As)
 
4
3.12.39Mertieite-II
Pd
 
8
(Sb,As)
 
3
3.12.40Sobolevskite
PdBi
3.12.41Froodite
α-PdBi
 
2
3.12.42Polarite
Pd(Bi,Pb)
3.12.43Urvantsevite
Pd(Bi,Pb)
 
2
3.12.44Cooperite
(Pt,Pd,Ni)S
3.12.45Braggite
(Pt,Pd,Ni)S
3.12.46Kharaelakhite
(Pt,Cu,Pb,Fe,Ni)
 
9
S
 
8
3.12.47Malanite
Cu(Pt
3+
 
,Ir
3+
 
)
 
2
S
 
4
3.12.48Moncheite
(Pt,Pd)(Te,Bi)
 
2
3.12.49Maslovite
PtBiTe
3.12.50Sperrylite
PtAs
 
2
3.12.52Geversite
PtSb
 
2
3.12.53Daomanite
CuPtAsS
 
2
3.12.54Genkinite
(Pt,Pd,Rh)
 
4
Sb
 
3
3.12.55Stumpflite
Pt(Sb,Bi)
3.12.56Insizwaite
Pt(Bi,Sb)
 
2
3.12.57Erlichmanite
OsS
 
2
3.12.58Omeiite
(Os,Ru)As
 
2
3.12.59Osarsite
(Os,Ru)AsS
3.12.60Kashinite
(Ir,Rh)
 
2
S
 
3
3.12.61Inaglyite
Cu
 
3
Pb(Ir,Pt)
 
8
S
 
16
3.12.62Cuproiridsite
(Cu,Fe)Ir
 
2
S
 
4
3.12.63Iridarsenite
(Ir,Ru)As
 
2
3.12.64Irarsite
(Ir,Ru,Rh,Pt)AsS
3.12.65Tolovkite
IrSbS

Other Names for Platarsite

Synonyms:
IMA1976-050Rh-Sperrylite
German names:
Platarsit
Russian names:
Платарсит
Spanish names:
Platarsita

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 Platarsite

Reference List:Cabri, L.J., Feather, C.E., and Stewart, J.M. (1977) Platinum-group minerals from Onverwacht. II. Platarsite, a new sulfarsenide of platinum. Canadian Mineralogist: 15: 385-388.

American Mineralogist (1979): 64: 657.

Szymański, J.T. (1979) The crystal structure of platarsite, Pt(As,S)2, and a comparison with sperrylite, PtAs2. Canadian Mineralogist: 17: 117-123.

Internet Links for Platarsite

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    Localities for Platarsite

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    The 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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    (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.
    Austria
     
    • Styria
      • Leoben
    		Min.& Pet. 73:247-277
    Finland
     
    • Lapin (Lapland) Lääni
      • Portimo complex
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
    		[World of Stones 12:49]
    • Far-Eastern Region
      • Kamchatka Oblast'
    		[CanMin 38 p1251-1264 "The association of platinum-group minerals in placers of the Pustaya River, Kamchatka, Russia"]
    South Africa
     
    • Limpopo Province
      • Bushveld Complex
        • Burgersfort
          • Sekhukhuneland
    		Minerals of South Africa
    • Mpumalanga Province
      • Eastern Bushveld Complex
        • Lydenburg District
    		Can.Min.(1977): 15, 385-388.
        • Potgietersrus
    		Minerals of South Africa
    Minerals of South Africa
    USA
     
    • Alaska
      • Bethel Borough
        • Goodnews Bay
          • Salmon River - Red Mountain District
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Mineral and/or Locality
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