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Rhodarsenide

Big Photo

Miass River, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
© 2008, J. Weissman

Formula:
(Rh,Pd)
 
2
As
System:OrthorhombicLustre:Metallic
Hardness:4 - 5
Name:Named after its chemical composition of rhodium and arsenic.
This page provides mineralogical data about Rhodarsenide.

Classification of Rhodarsenide

IMA status:Approved
Strunz 8th edition ID:2/A.05-105
Nickel-Strunz 10th (pending) edition ID:2.AC.25b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
C : Alloys of metalloids with PGE
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Type Occurrence of Rhodarsenide

Type Locality:Srebrnica River, Veluce, Serbia

Physical Properties of Rhodarsenide

Lustre:Metallic
Hardness (Mohs):4 - 5

Crystallography of Rhodarsenide

Crystal System:Orthorhombic

Chemical Properties of Rhodarsenide

Formula:
(Rh,Pd)
 
2
As
Essential elements:As, Rh
All elements listed in formula:As, Pd, Rh

Relationship of Rhodarsenide to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.AC.05aAtheneite
(Pd,Hg)
 
3
As
2.AC.05bVincentite
Pd
 
3
As
2.AC.10cArsenopalladinite
Pd
 
8
(As,Sb)
 
3
2.AC.10bMertieite-II
Pd
 
8
(Sb,As)
 
3
2.AC.10aStillwaterite
Pd
 
8
As
 
3
2.AC.15aIsomertieite
Pd
 
11
Sb
 
2
As
 
2
2.AC.15bMertieite-I
Pd
 
11
(Sb,As)
 
4
2.AC.15aMiessiite
Pd
 
11
Te
 
2
Se
 
2
2.AC.20bPalarstanide
Pd
 
8
(As,Sn)
 
3
2.AC.20aStibiopalladinite
Pd
 
5
Sb
 
2
2.AC.20cMenshikovite
Pd
 
3
Ni
 
2
As
 
3
2.AC.25eMajakite
PdNiAs
2.AC.25aPalladoarsenide
Pd
 
2
As
2.AC.25fPalladobismutharsenide
Pd
 
2
(As,Bi)
2.AC.25cPalladodymite
(Pd,Rh)
 
2
As
2.AC.25dNaldrettite
Pd
 
2
Sb
2.AC.30UM1999-02-As:NiRh
(Rh,Ni)
 
7
As
 
4
2.AC.30Polkanovite
Rh
 
12
As
 
7
2.AC.35aGenkinite
(Pt,Pd,Rh)
 
4
Sb
 
3
2.AC.35bUngavaite
Pd
 
4
Sb
 
3
2.AC.40Polarite
Pd(Bi,Pb)
2.AC.45cBorishanskiite
Pd
 
1+x
(As,Pb)
 
2
 , x = 0-0.2
2.AC.45aFroodite
α-PdBi
 
2
2.AC.45bIridarsenite
(Ir,Ru)As
 
2

Other Names for Rhodarsenide

Synonyms:
IMA1996-030
Other Languages:
German:Rhodarsenid

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 Rhodarsenide

Reference List:Mineralogical Record: 29: 476.

European Journal of Mineralogy (1997): 9: 1321-1325.

Internet Links for Rhodarsenide

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  • Raman and XRD data at RRUFF project
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    Localities for Rhodarsenide

    (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.
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
    		[CanMin 38 p1251-1264 "The association of platinum-group minerals in placers of the Pustaya River, Kamchatka, Russia"]
    Serbia
     
    • Veluce
    		Eur.J.Mineral.(1997) 9, 1321-1325
    South Africa
     
    • Limpopo Province
      • Bushveld Complex
    		The Canadian Mineralogist Vol. 43, pp. 1711-1734 (2005)
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 12th Oct 2009 07:09:25