Rhenium Mineral Data

Rhenium Mineral Data +

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General Rhenium Information

Chemical Formula:

Composition:

Molecular Weight = 186.21 gm

Rhenium 100.00 % Re

______

100.00 %

Empirical Formula:

Environment:

Occurs with other platinum group metals (Pt, Re, Os, Ir). Never found as a pure element, it is always alloyed with varing percentages of PGMS.

IMA Status:

Not Approved IMA 1976

Locality:

Transbaikal, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for the Rhine River in Germany in 1925.

Synonym:

ICSD 40355

PDF 5-702

Rhenium Image

Images:

Rhenium

Comments: Dark gray metallic rhenium flakes.
Location: Transbaikalia Region, Chita District, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhenium Crystallography

Axial Ratios:

a:c = 1:1.61521

Cell Dimensions:

a = 2.76, c = 4.458, Z = 2; V = 29.41 Den(Calc)= 21.03

Crystal System:

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.105(1), 2.226(0.34), 2.388(0.32),

Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Hexagonal closest packed, hcp, structure

Physical Properties of Rhenium

Color:

Black.

Density:

21.03

Diaphaniety:

Opaque

Luster:

Metallic

Calculated Properties of Rhenium

Electron Density:

r_electron=16.9 gm/cc
note: r_Rhenium=21.0 gm/cc.

Fermion Index

Fermion Index = 0
Boson Index = 1

Photoelectric:

PE_Rhenium=1,406.57 barns/electron
U=PE_Rhenium x r_electron=23828.41 barns/cc.

Radioactivity:

GRapi = 39,126.96 (Gamma Ray American Petroleum Institute Units)

Rhenium is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 777.38 ±194.35 grams of pure Rhenium .

**Estimated Radioactivity from Rhenium** - weak
Specimen Size Weight/Volume (Sphere) *	Calculated Activity Bequerols (Bq)	Calculated Activity Curies (Ci)	Estimated Activity GR(api)	Estimated Exposure (mRem**)/hr If Held in Hand For One Hour
1000 gm / 4.49 cm	1,020,000	2.76E-05	39,126.96	12.86
100 gm / 2.09 cm	102,000	2.76E-06	3,912.70	1.29
10 gm / 9.68 mm	10,200	2.76E-07	391.27	0.13
1 gm / 4.49 mm	1,020	2.76E-08	39.13	0.01
0.1 gm / 2.09 mm	102	2.76E-09	3.91	0.00
0.01 gm / 0.97 mm	10	2.76E-10	0.39	0.00
0.001 gm / 0.45 mm	1	2.76E-11	0.04	0.00

Weight of pure Rhenium in grams (gm) and Calculated Diameter of a Sphere with a Density of 21.03 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem

Rhenium Classification

Dana Class:

1.0.0.0 (1)Native Elements

(1.0)Without Dana Classification Numbers

(Platinum Group)

Strunz Class:

I/A.13-10 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.13 - Osmium series

I/A.13-10 Rhenium Re P 6₃/mmc 6/m 2/m 2/m

I/A.13-15 Hexaferrum! (Fe,Os,Ru,Ir) P 6₃/mmc 6/m 2/m 2/m

I/A.13-20 Osmium (Os,Ir) P 6₃/mmc 6/m 2/m 2/m

I/A.13-30 Ruthenium (Ru,Ir,Os) P 6₃/mmc 6/m 2/m 2/m

I/A.13-40 Rutheniridosmine (Ir,Os,Ru) P 6₃/mmc 6/m 2/m 2/m

Other Rhenium Information

References:

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

See Also:

Links to other databases for Rhenium :
1 -Am. Min. Crystal Structure Database 2 - Applied Mineralogy 3 -Athena 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST

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Rhenium

Re
Dana No: Unknown Strunz No: I/A.13-10
Locality:

Notes: