Mineralogy Database

Ruthenium Mineral Data

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General Ruthenium Information

Help on Chemical  Formula: Chemical Formula: (Ru,Ir,Os)
Help on Composition: Composition: Molecular Weight = 137.33 gm
   Iridium    41.99 %  Ir
   Osmium     13.85 %  Os
   Ruthenium  44.16 %  Ru
             100.00 % 
Help on Empirical Formula: Empirical Formula: Ru0.6Ir0.3Os0.1
Help on Environment: Environment: Placer deposits derived from ultrabasic rocks. Included in rutheniridosmine and in platinum.
Help on IMA Status: IMA Status: Approved IMA 1974
Help on Locality: Locality: Horakanai, Hokkaido, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the element (Latin, Ruthenia = "Russia.").
Help on Name Pronunciation: Name Pronunciation: Ruthenium + Pronunciation Say RUTHENIUM
Help on Synonym: Synonym: Iridrhodruthenium - Ir-Rh-rich ruthenium

Ruthenium Image

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  Palladodymite   Hongshiite   Ruthenium

Comments: Palladodymite (light gray, in two small grains), hongshiite (pale creamy grayish, tarnished brownish) in massive ruthenium. Polished section (from microprobe analysis) in reflected light.
Location: Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

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  Ruthenium   Isoferroplatinum

Comments: Scanning electron micrograph of polished section of ruthenium nugget with isoferroplatinum inclusions.
Location: Miass River, Chelyabinsk District, Southern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ruthenium Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.59985
Help on Cell Dimensions: Cell Dimensions: a = 2.704, c = 4.326, Z = 2; V = 27.39 Den(Calc)= 16.65
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.056(1), 2.343(0.4), 2.142(0.35),

Physical Properties of Ruthenium

Help on Color: Color: Tin white.
Help on Density: Density: 12.2
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luster: Luster: Metallic

Optical Properties of Ruthenium

Help on RL Anisotrophism: RL Anisotrophism: Weak.
Help on RL Color: RL Color: White with a creamy tint.

Calculated Properties of Ruthenium

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=13.8 gm/cc
note: Specific Gravity of Ruthenium =16.7 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PERuthenium = 917.29 barns/electron
U=PERuthenium x rElectron Density=12700.71 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ruthenium is Not Radioactive

Ruthenium Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.02)Osmium group (Space Group P63/mmc) Osmium (Os,Ir) P 63/mmc 6/m 2/m 2/m Ruthenium (Ru,Ir,Os) P 63/mmc 6/m 2/m 2/m Rutheniridosmine (Ir,Os,Ru) P 63/mmc 6/m 2/m 2/m Hexaferrum! (Fe,Os,Ru,Ir) P 63/mmc 6/m 2/m 2/m Hexamolybdenum! (Mo,Ru,Fe,Ir,Os) P 63/mmc 6/m 2/m 2/m IMA2008-055! (Ni,Fe,Ir) P 63/mmc 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 01.AF.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AF -Platinum-group elements
01.AF.05 Osmium (Os,Ir) P 63/mmc 6/m 2/m 2/m
01.AF.05 Rutheniridosmine (Ir,Os,Ru) P 63/mmc 6/m 2/m 2/m
01.AF.05 Ruthenium (Ru,Ir,Os) P 63/mmc 6/m 2/m 2/m

Other Ruthenium Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Ruthenium :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 01.AF.05





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