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Rhodium

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Formula:
(Rh,Pt)
Colour:
Silver-white
Lustre:
Metallic
Hardness:
Crystal System:
Isometric
Name:
Named in 1803 by William Hyde Wollaston, who discovered the metal, though it was not a native mineral. The name is derived from the Greek rhodon (ῥόδον) meaning 'rose', for "the rose-colour of a dilute solution of the salts containing it".
This page provides mineralogical data about Rhodium.


Hide all sections | Show all sections

Classification of RhodiumHide

Approved
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 ed.:
1.2.1.3
1.2.1.3

1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
1.89

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

Physical Properties of RhodiumHide

Metallic
Transparency:
Opaque
Colour:
Silver-white
Hardness:
3½ on Mohs scale
Hardness:
VHN30=136 - 194 kg/mm2 - Vickers
Comment:
VHN average 165

Optical Data of RhodiumHide

Type:
Isotropic
Reflectivity:
470nmR=75.2%
546nmR=72.6%
589nmR=73.3%
650nmR=75.7%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 75.7%.

Chemical Properties of RhodiumHide

Formula:
(Rh,Pt)
IMA Formula:
Rh

Crystallography of RhodiumHide

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

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
0.7874 (100)
0.8623 (80)
0.8847 (70)
0.9639 (20)
1.112 (10)
1.162 (50)
1.362 (50)
1.927 (30)
2.227 (60)

Type Occurrence of RhodiumHide

General Appearance of Type Material:
175x195 micron subhedral grain
Place of Conservation of Type Material:
Royal Ontario Museum, Toronto, Canada, M33257.

Synonyms of RhodiumHide

Other Language Names for RhodiumHide

Russian:Родий
Simplified Chinese:自然铑

Related Minerals - Nickel-Strunz GroupingHide

1.AF.05Osmium(Os,Ir,Ru)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AF.05Rutheniridosmine(Ir,Os,Ru)Hex.
1.AF.05Ruthenium(Ru,Ir)Hex.
1.AF.10Iridium(Ir,Os,Ru)Iso.
1.AF.10Palladium(Pd,Pt)
1.AF.10PlatinumPtIso. m3m (4/m 3 2/m) : Fm3m

Related Minerals - Dana Grouping (8th Ed.)Hide

1.2.1.1PlatinumPtIso. m3m (4/m 3 2/m) : Fm3m
1.2.1.2Iridium(Ir,Os,Ru)Iso.
1.2.1.4Palladium(Pd,Pt)

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

1.1CopperCuIso. m3m (4/m 3 2/m) : Fm3m
1.2SilverAgIso. m3m (4/m 3 2/m) : Fm3m
1.5GoldAuIso. m3m (4/m 3 2/m) : Fm3m
1.6AuricuprideCu3AuOrth.
1.7Tetra-auricuprideAuCuTet.
1.8ZincZnHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.9CadmiumCdHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.10DanbaiteCuZn2Iso.
1.11ZhanghengiteCuZnIso.
1.12MercuryHgTrig. 3m (3 2/m) : R3m
1.13KolymiteCu7Hg6Iso.
1.14MoschellandsbergiteAg2Hg3Iso. m3m (4/m 3 2/m)
1.15EugeniteAg11Hg2Iso.
1.16SchachneriteAg1.1Hg0.9Hex.
1.17ParaschachneriteAg3Hg2Orth.
1.18LuanheiteAg3HgHex.
1.19Weishanite(Au,Ag)3Hg2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.20IndiumInTet.
1.21AluminiumAlIso. m3m (4/m 3 2/m) : Fm3m
1.22Khatyrkite(Cu,Zn)Al2Tet.
1.23Cupalite(Cu,Zn)AlOrth.
1.24DiamondCIso. m3m (4/m 3 2/m) : Fd3m
1.25GraphiteCHex. 6mm : P63mc
1.26ChaoiteCHex. 6/mmm (6/m 2/m 2/m) : P6/mmm
1.27LonsdaleiteCHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.28SiliconSi
1.29TinSnTet. 4/mmm (4/m 2/m 2/m) : I41/amd
1.30LeadPbIso. m3m (4/m 3 2/m) : Fm3m
1.31AnyuiiteAuPb2Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm
1.31NovodnepriteAuPb3Tet. 4 2m : I4 2m
1.32LeadamalgamPb0.7Hg0.3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.33ArsenicAsTrig. 3m (3 2/m) : R3m
1.34ArsenolampriteAsOrth. mmm (2/m 2/m 2/m)
1.35PaxiteCuAs2Mon.
1.36KoutekiteCu5As2Hex.
1.37DomeykiteCu3AsIso. 4 3m : I4 3d
1.38Algodonite(Cu1-xAsx)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.39NovákiteCu20AgAs10Mon.
1.40KutinaiteAg6Cu14As7 Iso.
1.41AntimonySbTrig. 3m (3 2/m) : R3m
1.42StibarsenAsSbTrig. 3m (3 2/m) : R3m
1.43ParadocrasiteSb3AsMon. 2 : B2
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
1.46Allargentum(Ag1-xSbx)Hex.
1.47AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
1.48DyscrasiteAg3SbOrth. mm2 : Pmm2
1.49BismuthBiTrig. 3m (3 2/m) : R3m
1.50MaldoniteAu2BiIso. m3m (4/m 3 2/m) : Fd3m
1.51SulphurS8Orth. mmm (2/m 2/m 2/m) : Fddd
1.52RosickýiteSMon. 2/m : P2/b
1.53SeleniumSeTrig. 3 2 : P31 2 1
1.54TelluriumTeHex.
1.55ChromiumCrIso. m3m (4/m 3 2/m) : Im3m
1.56RheniumReHex.
1.57IronFeIso. m3m (4/m 3 2/m) : Im3m
1.58ChromferideFe3Cr1-x (x=0.6)Iso. m3m (4/m 3 2/m) : Pm3m
1.59FerchromideCr3Fe1-xIso. m3m (4/m 3 2/m) : Pm3m
1.60WairauiteCoFe
1.61NickelNiIso. m3m (4/m 3 2/m) : Fm3m
1.62Kamacite(Fe,Ni)Iso.
1.63Taenite(Fe,Ni)Iso. m3m (4/m 3 2/m) : Fm3m
1.64TetrataeniteFeNiTet.
1.65AwaruiteNi3FeIso. m3m (4/m 3 2/m) : Fm3m
1.66Palladium(Pd,Pt)
1.67PotaritePdHgTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.68PaolovitePd2SnOrth.
1.69Stannopalladinite(Pd,Cu)3Sn2Hex.
1.70CabriitePd2CuSnOrth. mmm (2/m 2/m 2/m) : Pmmm
1.71Taimyrite(Pd,Cu,Pt)3SnOrth.
1.72Atokite(Pd,Pt)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.73Rustenburgite(Pt,Pd)3Sn
1.74ZvyagintsevitePd3PbIso.
1.75PlumbopalladinitePd3Pb2Hex.
1.76Osmium(Os,Ir,Ru)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.77Iridium(Ir,Os,Ru)Iso.
1.82PlatinumPtIso. m3m (4/m 3 2/m) : Fm3m
1.83HongshiitePtCuTrig.
1.84NiggliitePtSnHex.
1.85IsoferroplatinumPt3FeIso.
1.86TetraferroplatinumPtFeTet.
1.87TulameenitePt2CuFeTet.
1.88FerronickelplatinumPt2FeNiTet.

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 RhodiumHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cabri, L.J., Laflamme, J.H.G. (1974) Rhodium, platinum and gold alloys from the Stillwater Complex. The Canadian Mineralogist: 12: 399-403.
Fleischer, M., Chao, G.Y., Mandarino, J.A. (1976) New mineral names. American Mineralogist: 61: 338-341.
Cabri, L.J. (1981) Platinum-group elements : mineralogy, geology, recovery. Canadian Institute of Mining, Metallurgy and Petroleum, Special Volume 23: 132-133.
Cabri, L.J. (1981) Platinum-group elements : mineralogy, geology, recovery. Canadian Institute of Mining, Metallurgy and Petroleum, Special Volume 23: 155.
Page, N.J., Pallister, J.S., Brown, M.A., Smewing, J.D., Haffty, J. (1982) Palladium, platinum, rhodium, iridium and ruthenium in chromite–rich rocks from the Samail ophiolite, Oman. The Canadian Mineralogist: 20: 537-548.
Page, N.J., Talkington, R.W. (1984) Palladium, platinum, rhodium, ruthenium and iridium in peridotites and chromitites from ophiolite complexes in Newfoundland. The Canadian Mineralogist: 22: 137-149.
Harris, D.C., Cabri, L.J. (1991) Nomenclature of platinum-group-element alloys: review and revision. The Canadian Mineralogist: 29: 231-237.

Internet Links for RhodiumHide

Localities for RhodiumHide

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.
Australia
 
  • New South Wales
    • Rous Co.
      • Ballina
Carlo Tortorella
  • Tasmania
    • West Coast municipality
      • Rosebery district
G. A. Albertson Data Bottrill & Baker, 2008 Catalogue of Minerals of Tasmania
  • Western Australia
    • Kalgoorlie-Boulder Shire
      • Ora Banda Goldfield
Butt, C.R.M., Robertson, I.D.M. (2003), Ora Banda Sill Platinum Prospect, CRC LEME, 2003
China
 
  • Tibet Autonomous Region
    • Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture)
      • Qusum Co. (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)
  • North West Province
    • Bojanala Platinum District
      • Western Bushveld Complex
        • Brits (Brits District)
          • Mooinooi
http://www.sylvaniaplatinum.com/im/files/documents/slv_AR2013.pdf
http://www.platmin.com/our-assets/pilansberg
http://www.platmin.com/our-assets/pilansberg
http://www.platmin.com/our-assets/pilansberg
http://www.platmin.com/our-assets/pilansberg
        • Rustenburg (Rustenburg District)
          • Frischgewaagd Farm
http://www.wesizwe.com/projects-key-facts-about-the-bakubung-platinum-mine.php
http://www.implats.co.za/implats/Impala-platinum.asp
          • Marikana
https://www.lonmin.com/downloads/media_centre/news/press/2014/Q2%202014%20Production%20Report%20-%2009052014%20-%20FINAL.pdf
http://aquariusplatinum.com/sites/aquariusplatinum.com/files/annual_results_2006.pdf
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
Canadian Mineralogist(1974) 12, 399-403
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
  • North Carolina
    • Jackson Co.
      • Webster-Balsam
Edwin H.Bentzen III (1971) Platinum Group Content Of Some Western North Carolina Chromites
Mineral and/or Locality  
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