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Verbeekite (Verbeekit)

Collectors Summary

Color schwarz
Streak color schwarz
Hardness (Mohs) 5.5
Cleavages keine
Fracture uneben
Crystal System monoklin, C2/m, C2, Cm

Chemism

Chemical formula

PdSe2

Chemical composition

Palladium, Selen

Unit weight: 264.347 u; Number of atoms in the formula: 3

Info

Empirical formula:

PdSe2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Selenium

Se

59.74

2

66.67

78.9630000

157.9260000
Palladium

Pd

40.26

1

33.33

106.4210000

106.4210000

Analysis wt%

Ø Pd : 39.60, Cu : 0.50, Se : 58.80 (Ref: Mineralogical Magazine 2002)

Strunz 9th edition incl. updates

2.EA.25

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
A: M:S = 1:2, mit Cu, Ag, Au; Ni, Sn, PGE, Mo, W
25:Verbeekit-Gruppe

Lapis Classification

II/D.28-060

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
D: Sulfide mit Metall : S,Se,Te < 1:1
28: Melonit-Gruppe

Classification by Hölzel

2.EA.160

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
A: Me/S=1/2 with Cu,Ag,Au, etc.
1: Sylvanite-Group

Dana 8th edition

02.12.15.03

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

schwarz

Streak color

schwarz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m, 2, m

Space Group number

12, 5, 8

Space Group

C2/m, C2, Cm

Cell parameters a (Å)

6.659

Cell parameters b (Å)

4.124

Cell parameters c (Å)

4.438

Cell parameters a/b or c/a

1.615

Cell parameters c/b

1.076

Cell parameters α

90°

Cell parameters β

92.77

Cell parameters γ

90°

Z

2

Volumne (ų)

121.733

X-Ray Powder Diffraction

4.423(30),
3.496(30),
2.718(100),
2.063(20),
1.955(50),
1.896(50),
1.815(20),
1.805(20)
XRD chart Verbeekite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

550 (5g)

Density (g/cm³)

7.22 (berechnet)

7.211 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Demokratische Republik Kongo/Katanga (Shaba), Provinz/Lualaba, Distrikt/Kolwezi, Revier/Kolwezi, Stadt/Musonoi

Preface

Author (Name, Year)

Roberts & Paar & Cooper & Topa & Criddle & Jedwab, 2002

References

Mineralogical Magazine 66 (2002), 173

Other languages

German

Verbeekit

Spanish

Verbeekita

English

Verbeekite

French

Verbeekite

Russian

Вербикит

Traditional Chinese

弗比克硒鈀礦

Simplified Chinese

弗比克硒钯矿

CNMNC (IMA)-Number

IMA 2001-005

CNMNC symbol

Symbol

Vbk

Locations with GPS information