Rhodium Mineral Data (original) (raw)

General Rhodium Information

Help on Chemical Formula: Chemical Formula:

(Rh,Pt)

Help on Composition: Composition:

Molecular Weight = 125.95 gm

Platinum 38.72 % Pt

Rhodium 61.28 % Rh

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Rh0.75Pt0.25

Help on Environment: Environment:

Single grain found in a heavy mineral concentrate from a cummulate ultrabasic intrusion.

Help on IMA Status: IMA Status:

Approved IMA 1974

Help on Locality: Locality:

J-M Reef, Stillwater complex, Nye County, Montana, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named from the Greek, rhodon = "rose" in allusion to the colored salts.

Help on Name Pronunciation: Name Pronunciation:

Rhodium Say RHODIUM

Help on Synonym: Synonym:

ICSD 64991

PDF 5-685

Search for Rhodium Images

Click Here To Search Images:

Rhodium Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 3.856, Z = 4; V = 57.33 Den(Calc)= 14.59

Help on Crystal System: Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 0.7874(1), 0.8623(0.8), 0.8847(0.7),

Click Here for Large Rhodium Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

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

Physical Properties of Rhodium

Help on Color: Color:

Tin white.

Help on Density: Density:

16.51

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Hardness: Hardness:

3.5 - Copper Penny

Help on Luster: Luster:

Metallic

Optical Properties of Rhodium

Help on RL Color: RL Color:

Bright white.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Rhodium in Air

λ R ∑ R(λ)
470 nm 75.20
546 nm 72.60
589 nm 73.30
650 nm 75.70

Calculated Relative Intensity Colors of Rhodium in Air

RelativeIntensity 0% 20% 40% 60% 80% 100% 120%
R

Calculated Properties of Rhodium

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=12.3 gm/cc
note: Specific Gravity of Rhodium =14.6 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.13
Boson Index = 0.87

Help on Photoelectric: Photoelectric:

PERhodium = 734.92 barns/electron
U=PERhodium x rElectron Density=9,066.73 barns/cc.

Help on Radioactivity: Radioactivity:

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

Rhodium Classification

Help on Dana Class: Dana Class:

01.02.01.03 (01)Native Elements

(01.02)with platinum group metals and alloys

(01.02.01)Platinum group (Space Group Fm3m)

01.02.01.01 Platinum Pt F m3m 4/m 3 2/m

01.02.01.02 Iridium (Ir,Os,Ru,Pt) F m3m 4/m 3 2/m

01.02.01.03 Rhodium (Rh,Pt) F m3m 4/m 3 2/m

01.02.01.04 Palladium Pd,Pt F m3m 4/m 3 2/m

Help on Strunz Class: Strunz Class:

01.AF.10 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.10 Palladium Pd,Pt F m3m 4/m 3 2/m

01.AF.10 Iridium (Ir,Os,Ru,Pt) F m3m 4/m 3 2/m

01.AF.10 Rhodium (Rh,Pt) F m3m 4/m 3 2/m

01.AF.10 Platinum Pt F m3m 4/m 3 2/m

Other Rhodium Information

Help on References: References:

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

Help on See Also: See Also:

Links to other databases for Rhodium :
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
15 - WWW-MINCRYST

Search for Rhodium using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Rhodium :

A Bijoux Google Search for Rhodium
Adam's Minerals Google Search for Rhodium
Cape Minerals Google Search for Rhodium
Dakota Matrix Minerals Google Search for Rhodium
Excalibur Mineral Corp. Google Search for Rhodium
Exceptional Minerals Google Search for Rhodium
John Betts Fine Minerals Search for Rhodium
McDougall Minerals Google Search for Rhodium
Mineral News Website Link
Rock and Mineral Shows Google Search for Rhodium
Weinrich Minerals, Inc. Google Search for Rhodium

Ask about Rhodium here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espa�ol

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

Rhodium

(Rh,Pt)
Dana No: 01.02.01.03 Strunz No: 01.AF.10
Locality:

Notes: