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Skaergaardite

Collectors Summary

Color stahlgrau mit bronze Farbton
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 4.5
Cleavages keine
Crystal System kubisch, Pm3m

Chemism

Chemical formula

PdCu

Additional chem. information

CsCl Struktur

Chemical composition

Kupfer, Palladium

Unit weight: 169.9673 u; Number of atoms in the formula: 2

Info

Empirical formula:

PdCu

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Copper

Cu

37.39

1

50.00

63.5463000

63.5463000
Palladium

Pd

62.61

1

50.00

106.4210000

106.4210000

Analysis wt%

Pt : 1.12, Pd : 58.94, Au : 2.23, Cu : 29.84, Fe : 3.85, Zn : 1.46, Sn : 1.08 (Ref: Mineralogical Magazine 2004)

Strunz 9th edition incl. updates

1.AG.45

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
G: PGE(Platin-Gruppen-Elemente)-Metall-Legierungen
45:Skaergaardit-Gruppe

Lapis Classification

I/A.14-100

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

Classification by Hölzel

1.AH.250

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
H: PGE Alloys

Dana 8th edition

01.02.13.01

01: Native Elements and Alloys
02: Native Elements with platinum group metals and alloys
13: CsCl structure (Pm3m)

IMA status

anerkannt 2003

Mineral status

anerkanntes Mineral

Optical Properties

Color

stahlgrau mit bronze Farbton

Streak color

schwarz

Change in color

Reflektiertes Licht: cremfarben bis leuchtend weiß, isotropisch, ohne interne Reflektionen

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Reflectivity: (Lambda nm) ↓, ↑, Ø

(470) 58.7, -, 58.7
(546) 62.6, -, 62.6
(589) 64.1, -, 64.1
(650) 65.3, -, 65.3
Reflection chart Skaergaardite

Reflectivity Ø

62.68

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

221

Space Group

Pm3m

Cell parameters a (Å)

3.001

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

1

Volume (ų)

27.027

X-Ray Powder Diffraction

2.122(100), 1.500 (30), 1.225(70), 1.061(40), 0.9491(50), 0.8021(60)

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

257 (25g)

Density (g/cm³)

10.64 (berechnet)

10.442 ( ρ calc. Mineralienatlas )

Cleavages

keine

Tenacity

schneidbar

(Co-)Type locality

(Co-)Type locality

Grönland/Qeqqata Kommunia/Kangerlussuaq-Komplex/Skaergaard Intrusion

Preface

Author (Name, Year)

Rudashevsky & McDonald & Cabri & Nielsen & Stanley & Kretzer & Rudashe

References

Mineralogical Magazine 68 (2004), 615.

Canadian Mineralogist 43 (2005), 637.

Other languages

German

Skaergaardit

Spanish

Skaergaardita

English

Skaergaardite

French

Skaergaardite

Russian

Скаергаардит

Russian

Скергаардит

CNMNC (IMA)-Number

IMA 2003-049

CNMNC symbol

Symbol

Skg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 4EcmbZ_NUUGIfPqGO53yiA
GUID (Global unique identifier) 6D2647E0-CD9F-4151-887C-FA863B9DF288
Database ID 3548