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Rhodium

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Formula:
(Rh,Pt)
System:IsometricColour:Silver-white
Lustre:MetallicHardness:3½
This page provides mineralogical data about Rhodium.

Classification of Rhodium

IMA status:Approved
Strunz 8th edition ID:1/A.14-10
Nickel-Strunz 10th (pending) edition ID:1.AF.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
F : Platinum group elements
Dana 7th edition ID:1.2.1.3
Dana 8th edition ID:1.2.1.3

1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
Hey's CIM Ref.:1.89

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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Type Occurrence of Rhodium

Co-type Localities:Stillwater Mine, Nye, Stillwater Co., Montana, USA
Stillwater Complex, Stillwater Co., Montana, USA
Year of Discovery:1974

Physical Properties of Rhodium

Lustre:Metallic
Colour:Silver-white
Hardness (Mohs):3½

Crystallography of Rhodium

Crystal System:Isometric
Cell Parameters:a = 3.8Å
Unit Cell Volume:V 54.87 ų (Calculated from Unit Cell)

Optical Data of Rhodium

Type:Isotropic

Chemical Properties of Rhodium

Formula:
(Rh,Pt)
Essential elements:Rh
All elements listed in formula:Pt, Rh

Relationship of Rhodium to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AF.05Osmium
(Os,Ir,Ru)
1.AF.05Rutheniridosmine
(Ir,Os,Ru)
1.AF.05Ruthenium
(Ru,Ir)
1.AF.10Iridium
(Ir,Os,Ru)
1.AF.10Palladium
(Pd,Pt)
1.AF.10Platinum
Pt
Related Minerals - Hey's Index Grouping:

- +
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.7Tetra-auricupride
AuCu
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.15Eugenite
Ag
 
11
Hg
 
2
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.28Silicon
Si
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
Pb
 
0.7
Hg
 
0.3
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.37Domeykite
Cu
 
3
As
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.39Novakite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
Cu, Sb
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.58Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.62Kamacite
(Fe,Ni)
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
CuSn
1.71Taimyrite-I
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pd
 
3
Pb
 
2
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
Related Minerals - Dana Grouping):

- +
1.2.1.1Platinum
Pt
1.2.1.2Iridium
(Ir,Os,Ru)
1.2.1.4Palladium
(Pd,Pt)
1.2.1.5Rutheniridosmine
(Ir,Os,Ru)

Other Names for Rhodium

Synonyms:
IMA1974-012
Other Languages:
German:Rhodium (Synonym)
Russian:Родий
Simplified Chinese:自然铑

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 Rhodium

Reference List:

- +
CIM Special Volume 23: 132-133.

CIM Special Volume 23: 155.

Canadian Mineralogist (1974): 12: 399-403.

Internet Links for Rhodium

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Rhodium details from Handbook of Mineralogy (PDF)
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    • Localities for Rhodium

    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.
    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.
    Australia
     
    • New South Wales
      • Rous Co.
        • Ballina
    		Carlo Tortorella
    • Tasmania
      • Rosebery district
    		G. A. Albertson Data Bottrill & Baker, 2008 Catalogue of Minerals of Tasmania
    China
     
    • Tibet Autonomous Region
      • Shannan (Lhokha; Lhoka) Prefecture
        • Qusum (Qusong) Co.
    		http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume p. 8.
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
          • Bodaibo
            • Lena Gold District
              • Kropotkinsky ore cluster
    		http://www.igem.ru/igem/chem/pt/sukhloge.htm
    South Africa
     
    • Limpopo Province
      • Bushveld Complex
    		The Canadian Mineralogist Vol. 43, pp. 1711-1734 (2005)
    Sweden
     
    • Småland
      • Vetlanda
        • Alseda
    		H.-J.Wilke: Die Mineralien und Fundstellen von Schweden.1997
    USA
     
    • Alaska
      • Bethel Borough
        • Goodnews Bay
          • Salmon River - Red Mountain District
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    • Montana
      • Stillwater Co.
        • Nye
    		Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
    Can.Min.(1974) 12, 399-403
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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