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Rhodium

Collectors Summary

Color leuchtend weiß
Lustre Metallglanz
Hardness (Mohs) 3.5
Crystal System kubisch, Fm3m

Chemism

Chem­ical formula

Rh

Chem­ical com­po­si­tion

Rhodium

Unit weight: 102.905502 u; Number of atoms in the formula: 1

Info

Empirical formula:

Rh

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Rhodium

Rh

100.00

1

100.00

102.9055020

102.9055020

Anal­y­sis wt%

Pt : 59.60, Rh : 41.70, PLT : 99.90 (Ref: Canadian Mineralogist 74)

Strunz 9th edi­tion incl. updates

1.AF.10

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
F: Platin-Gruppen-Elemente (PGE)
10:Rhodium-Gruppe

Lapis Clas­sifica­tion

I/A.14-010

I: ELEMENTE
A: Metalle und intermetallische Verbindungen
14: Platinmetalle und Platin-Eisen-Verbindungen, Verbindungen mit Zinn/Blei und Verwandte

Clas­sifica­tion by Hölzel

1.AG.200

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
G: PGE-Group

Hey's Chem­ical Index of Min­er­als

01.89

01: Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Dana 8th edi­tion

01.02.01.03

01: Native Elements and Alloys
02: Native Elements with platinum group metals and alloys
01: Platinum group (Space Group Fm3m)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

leuchtend weiß

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Anisotropism

isotropisch

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(470) 75.20, , 75.20
(546) 72.60, , 72.60
(589) 73.30, , 73.30
(650) 75.70, , 75.70

Reflection chart Rhodium

Reflec­tiv­ity Ø

74.20

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell param­e­ters a (Å)

3.803

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

55.002

X-Ray Pow­der Diffrac­tion

2.227(60),
1.927(30),
1.362(50),
1.162(50),
0.964(20),
0.885(70),
0.862(80),
0.787(100)

XRD chart Rhodium

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

165 (30g)

Density (g/cm³)

12.347 (berechnet) 16.51 (gemessen)

12.426 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

USA/Montana/Stillwater Co./Stillwater Complex

Type mate­r­ial

Royal Ontario Museum, Toronto, Canada,

Col­lec­tion number of type mate­r­ial

M33257

Preface

Name from

dem grichischen rhodon - "rosa"

Author (Name, Year)

Cabri & Laflamme, 1974

References

CIM Special Volume 23: 132-133.

CIM Special Volume 23: 155.

Canadian Mineralogist 12 (1974), 399-403.

Canadian Mineralogist 29 (1991), 231.

Detailed description

Rhodium als Element - Technische Daten

Ordnungszahl:

45

Dichte (g/cm3):

12,450

Härte:

6

relat. Atommasse (amu):

102,9055

Atomradius (berechnet) in pm:

135 (173)

Oxidationszahlen:

2, 3, 4

Elektronegativität (Pauling):

2,28

Elektronenkonfiguration:

[Kr]4d85s1

Schmelzpunkt:

1964°C (2237 K)

Siedepunkt:

3695°C (3968 K)

natürl. Häufigkeit:

0,005 ppm

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Platinum

Pt

kubisch : m3m : Fm3m

1.AF.10

Iridium

Ir

kubisch : m3m : Fm3m

1.AF.10

Rhodium

Rh

kubisch : m3m : Fm3m

1.AF.10

Palladium

Pd

kubisch : m3m : Fm3m

1.AF.10

'Osmiridium'

1.AF.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Rhodium

Rh

kubisch : m3m : Fm3m

I/A.14-010

Palladium

Pd

kubisch : m3m : Fm3m

I/A.14-020

Iridium

Ir

kubisch : m3m : Fm3m

I/A.14-030

Platinum

Pt

kubisch : m3m : Fm3m

I/A.14-070

Yixunite

Pt3In

kubisch : m3m : Pm3m

I/A.14-080

Damiaoite

PtIn2

kubisch : m3m : Fm3m

I/A.14-085

Hongshiite

PtCu

I/A.14-090

Skaergaardite

PdCu

kubisch : m3m : Pm3m

I/A.14-100

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Rhodium

Rh

kubisch : m3m : Fm3m

1.AG.200

Palladium

Pd

kubisch : m3m : Fm3m

1.AG.210

Iridium

Ir

kubisch : m3m : Fm3m

1.AG.220

Platinum

Pt

kubisch : m3m : Fm3m

1.AG.230

'Osmiridium'

1.AG.240

Damiaoite

PtIn2

kubisch : m3m : Fm3m

1.AG.260

Yixunite

Pt3In

kubisch : m3m : Pm3m

1.AG.270

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Platinum

Pt

kubisch : m3m : Fm3m

01.02.01.01

Iridium

Ir

kubisch : m3m : Fm3m

01.02.01.02

Rhodium

Rh

kubisch : m3m : Fm3m

01.02.01.03

Palladium

Pd

kubisch : m3m : Fm3m

01.02.01.04

Osmium

Os

hexagonal : 6/mmm : P63/mmc

01.02.02.01

Ruthenium

Ru

hexagonal : 6/mmm : P63/mmc

01.02.02.02

Rutheniridosmine

(Ir,Os,Ru)

hexagonal : 6/mmm : P63/mmc

01.02.02.03

'Rhenium'

Re

hexagonal : 6/mmm : P63/mmc

01.02.02.04

Hexaferrum

(Fe,Os,Ru,Ir)

hexagonal : 6/mmm : P63/mmc

01.02.02.04

Hongshiite

PtCu

01.02.03.01

Tetraferroplatinum

PtFe

tetragonal : 4/mmm : P4/mmm

01.02.04.01

Tulameenite

Pt(Cu,Fe)

tetragonal : 4/mmm : P4/mmm

01.02.04.02

Ferronickelplatinum

Pt2FeNi

tetragonal : 4/mmm : P4/mmm

01.02.04.03

Potarite

PdHg

tetragonal : 4/mmm : P4/mmm

01.02.04.04

Rustenburgite

Pt3Sn

kubisch : m3m : Fm3m

01.02.05.02

Atokite

(Pd,Pt)3Sn

kubisch : m3m : Fm3m

01.02.05.03

Zvyagintsevite

Pd3Pb

kubisch : m3m : Pm3m

01.02.05.04

Chengdeite

Ir3Fe

kubisch : m3m : Pm3m

01.02.05.05

Yixunite

Pt3In

kubisch : m3m : Pm3m

01.02.05.06

Paolovite

Pd2Sn

orthorhombisch : mmm : Pbnm

01.02.06.01

Isoferroplatinum

Pt3Fe

kubisch : m3m : Pm3m

01.02.06.01

Taimyrite-I

(Pd,Cu,Pt)3Sn

01.02.07.01

Tatyanaite

(Pt,Pd,Cu)9Cu3Sn4

orthorhombisch : mm2, 222, mmm : Pmm2, P222, Pmmm

01.02.07.02

Cabriite

Pd2SnCu

orthorhombisch : mmm : Pmmm

01.02.08.01

Stannopalladinite

Pd3Sn2

hexagonal : 6/mmm : P63/mmc

01.02.09.01

Related minerals "Hey's Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

IMA Number

IMA 1974-012

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Rhodium
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English pages

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RRUFF - References and PDF downloads - search for: Rhodium
American-Mineralogist-Crystal-Structure-Database - search for: Rhodium
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Russian pages

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German pages

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Locations with GPS information