Rhenium Mineral Data + Say RHENIUM

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General Rhenium Information

Help on Chemical  Formula: Chemical Formula: Re
Help on Composition: Composition: Molecular Weight = 186.21 gm
   Rhenium 100.00 %  Re
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Re
Help on Environment: 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.
Help on IMA Status: IMA Status: Not Approved IMA 1976
Help on Locality: Locality: Transbaikal, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Rhine River in Germany in 1925.
Help on Synonym: Synonym: ICSD 40355
  PDF 5-702
 

Rhenium Image

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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

Help on Axial Ratios: Axial Ratios: a:c = 1:1.61521
Help on Cell Dimensions: Cell Dimensions: a = 2.76, c = 4.458, Z = 2; V = 29.41 Den(Calc)= 21.03
Help on Crystal System: 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/Io): 2.105(1), 2.226(0.34), 2.388(0.32),
Click Here for Large Rhenium Structure Window 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

Help on Color: Color: Black.
Help on Density: Density: 21.03
Help on Diaphaniety: Diaphaniety: Opaque
Help on Luster: Luster: Metallic
 

Calculated Properties of Rhenium

Help on Electron Density: Electron Density:

relectron=16.9 gm/cc
note: rRhenium =21.0 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0
Boson Index = 1
Help on Photoelectric: Photoelectric:

PERhenium =1,406.57 barns/electron
U=PERhenium x relectron=23828.41 barns/cc.

Help on Radioactivity: 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

Help on  Dana Class: Dana Class: 1.0.0.0 (1)Native Elements
  (1.0)Without Dana Classification Numbers
  (Platinum Group)
Help on  Strunz Class: 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

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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:

 

 
   
 
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