Rutheniridosmine Mineral Data

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General Rutheniridosmine Information

Chemical Formula:

(Ir,Os,Ru)

Composition:

Molecular Weight = 182.50 gm

Iridium 63.20 % Ir

Osmium 31.27 % Os

Ruthenium 5.54 % Ru

______

100.00 %

Empirical Formula:

Ir_0.6Os_0.3Ru_0.1

Environment:

Placer deposits derived from ultrabasic rocks.

IMA Status:

Approved IMA 1973

Locality:

Spruce Creek and Tulameen River areas, British Columbia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for the composition (Ru, Os, Ir).

Synonym:

ICSD 40353

PDF 41-601

Rutheniridosmine Image

Images:

Rutheniridosmine

Comments: Grain of rutheniridosmine.
Location: Nevjansk, Ural Mts., Russia. Scale: Grain size 2.5 mm.
© John Veevaert

Rutheniridosmine Crystallography

Axial Ratios:

a:c = 1:1.58671

Cell Dimensions:

a = 2.71, c = 4.3, Z = 2; V = 27.35 Den(Calc)= 22.16

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

Physical Properties of Rutheniridosmine

Cleavage:

{???} Perfect

Color:

White.

Diaphaneity:

Opaque

Hardness:

6-7 - Orthoclase-Quartz

Luster:

Metallic

Streak:

gray

Optical Properties of Rutheniridosmine

RL Anisotrophism:

Weak to moderate, sometimes with wavy extinction, colors tinged with orange.

RL Color:

White with a bluish gray tinge.

RL Pleochroism:

Weak to absent.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Rutheniridosmine in Air**
λ	R	∑ R(λ)
487 nm	72.00
556 nm	72.00
589 nm	67.80
650 nm	68.00

**Calculated Relative Intensity Colors of Rutheniridosmine in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	130%
R

Calculated Properties of Rutheniridosmine

Electron Density:

Bulk Density (Electron Density)=17.8 gm/cc
note: Specific Gravity of Rutheniridosmine =22.2 gm/cc.

Fermion Index:

Fermion Index = 0.07
Boson Index = 0.93

Photoelectric:

PE_{Rutheniridosmine}=1,443.93 barns/electron
U=PE_{Rutheniridosmine} x rElectron Density=25738.42 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rutheniridosmine is Not Radioactive

Rutheniridosmine Classification

Dana Class:

01.02.02.03 (01)Native Elements

(01.02)with platinum group metals and alloys

(01.02.02)Osmium group (Space Group P63/mmc)

01.02.02.01 Osmium (Os,Ir) P 6₃/mmc 6/m 2/m 2/m

01.02.02.02 Ruthenium (Ru,Ir,Os) P 6₃/mmc 6/m 2/m 2/m

01.02.02.03 Rutheniridosmine (Ir,Os,Ru) P 6₃/mmc 6/m 2/m 2/m

01.02.02.04 Hexaferrum! (Fe,Os,Ru,Ir) P 6₃/mmc 6/m 2/m 2/m

01.02.02.05 Hexamolybdenum! (Mo,Ru,Fe,Ir,Os) P 6₃/mmc 6/m 2/m 2/m

01.02.02.06 IMA2008-055! (Ni,Fe,Ir) P 6₃/mmc 6/m 2/m 2/m

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 Rutheniridosmine Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Rutheniridosmine :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Rutheniridosmine Specimen Label here :

Rutheniridosmine

(Ir,Os,Ru)
Dana No: 01.02.02.03 Strunz No: 01.AF.05
Locality:

Notes: