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Platinum

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Formula:
Pt
System:IsometricColour:Steel grey to dark grey
Lustre:MetallicHardness:4 - 4½
Name:From Spanish "platina", diminutive of "plata", silver. The new metal found in large placer deposits during the sixteenth-century Spanish conquest of South America was called "platina del Pinto" after the Rio Pinto, Columbia.
This page provides mineralogical data about Platinum.

Classification of Platinum

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:1/A.14-70
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:1.2.1.1
Dana 8th edition ID:1.2.1.1

1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
Hey's CIM Ref.:1.82

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

Type Locality:Pinto River, San Juan Basin, Mun. de Novita, Chocó Department, Colombia

Occurrences of Platinum

Geological Setting:Mafic and ultramafic rocks.

Physical Properties of Platinum

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Steel grey to dark grey
Streak:Steel grey to dark grey
Hardness (Mohs):4 - 4½
Hardness (Vickers):VHN100=279 - 339 kg/mm2
Tenacity:Malleable
Fracture:Hackly
Density (measured):14 - 19 g/cm3
Density (calculated):21.472 g/cm3

Crystallography of Platinum

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fm3m
Cell Parameters:a = 3.9231Å
Unit Cell Volume:V 60.38 ų (Calculated from Unit Cell)
Z:4
Twinning:On {111}
Comment:Cubic crystals

Optical Data of Platinum

Type:Isotropic
Colour in reflected light:white

Chemical Properties of Platinum

Formula:
Pt
Essential elements:Pt
All elements listed in formula:Pt
Common Impurities:Fe,Ir,Os,Rh,Pd,Au,Cu

Relationship of Platinum 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.10Rhodium
(Rh,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
)
1.39Novákite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Ag
 
6
Cu
 
14
As
 
7
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
 
3
Fe
 
1-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)
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)
Related Minerals - Dana Grouping):

- +
1.2.1.2Iridium
(Ir,Os,Ru)
1.2.1.3Rhodium
(Rh,Pt)
1.2.1.4Palladium
(Pd,Pt)
1.2.1.5Rutheniridosmine
(Ir,Os,Ru)

Other Names for Platinum

Synonyms:
Native PlatinumPolyplatinum
Other Languages:
Albanian:Platini
Arabic:بلاتين
Armenian:Պլատին
Basque:Platino
Belarusian:Плаціна
Bengali:প্লাটিনাম
Bosnian (Latin Script):Platina
Bulgarian:Платина
Catalan:Platí
Chuvash:Платина
Corsican:Platinu
Croatian:Platina
Czech:Platina
Danish:Platin
Dutch:Platina
Erzya:Ашо сырне
Esperanto:Plateno
Estonian:Plaatina
Finnish:Platina
French:Platine
Friulian:Platin
Galician:Platino
Georgian:პლატინა
German:Platin
Gediegen Platin
Greek:Λευκόχρυσος
Haitian:Platin
Hebrew:פלטינה
Hungarian:Platina
Icelandic:Platína
Ido:Platino
Indonesian:Platina
Interlingua:Platino
Italian:Platino
Japanese:白金
Korean:백금
Kurdish (Latin Script):Platîn
Latin:Platinum
Latvian:Platīns
Lithuanian:Platina
Lojban:jinmrplati
Low Saxon:Platin
Luxembourgish:Platin
Macedonian:Платина
Malayalam:പ്ലാറ്റിനം
Manx:Platinum
Norwegian (Bokmål):Platina
Norwegian (Nynorsk):Platina
Occitan:Platin
Persian:پلاتین
Polish:Platyna
Portuguese:Platina
Quechua:Qullqiya
Romanian:Platină
Russian:Платина
Serbian (Cyrillic Script):Платина
Serbo-Croatian:Platina
Sicilian:Plàtinu
Simplified Chinese:自然铂
Slovak:Platina
Slovenian:Platina
Spanish:Platino
Swahili:Platini
Swedish:Platina
Tajik (Cyrillic Script):Платина
Tamil:பிளாட்டினம்
Thai:แพลทินัม
Traditional Chinese:白金
Turkish:Platin
Ukrainian:Платина
Vietnamese:Bạch kim
Welsh:Platinwm
Varieties:
AvaiteFerroan PlatinumPalladian PlatinumPolyxeneRhodic Ferroplatinum
Rhodic Platinum

Other Information

Other Information:Non magnetic to distinctly magnetic when rich in iron.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:Catalysts, jewelry

References for Platinum

Reference List:

- +
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 106-109.

Schneiderhöhn (1958): 315.

Canadian Mineralogist (1975): 13: 117-126.

Canadian Mineralogist (1991): 29: 231.

Fleet, M.E., De Almeida, C.M., and Angeli, N. (2002) Botryoidal platinum, palladium and potarite from the Bom Sucesso stream, Minas Gerais, Brazil: compositional zoning and origin. Canadian Mineralogist: 40: 341-355.

Internet Links for Platinum

Search Engines:
  • Look for Platinum on Google
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  • External Links:
  • Look for Platinum on Webmineral
  • Look for Platinum on Athena Mineralogy
  • Look for Platinum on Wikipedia
  • Look for Platinum on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Platinum details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy from Dave Bunk Minerals
  • Top quality minerals from Kristalle of California
  • SpiriferMinerals.com - high quality low prices
  • High-end worldwide specimens & outstanding customer service
  • Fabre Minerals - search for Platinum specimens
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
  • Fine Minerals from Weinrich Minerals, Inc.
  • Buy from McDougall Minerals
  • rare and unusual minerals mainly crystallized
  • Buy minerals from YourMineralCollection
  • Buy from David K Joyce minerals
  • Specimens:The following Platinum specimens are currently listed for sale on minfind.com.

    Localities for Platinum

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