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Kalungaite (Kalungait)

Additional Functions

Collectors Summary

Hardness (Mohs) 5.25
Cleavages keine
Fracture uneben
Crystal System kubisch, Pa3

Chemism

Chemical formula

PdAsSe

Additional chem. information

Gersdorffit Gruppe

Chemical composition

Arsen, Palladium, Selen

Unit weight: 260.305602 u; Number of atoms in the formula: 3

Info

Empirical formula:

PdAsSe

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Arsenic

As

28.78

1

33.33

74.9216020

74.9216020
Selenium

Se

30.33

1

33.33

78.9630000

78.9630000
Palladium

Pd

40.88

1

33.33

106.4210000

106.4210000

Analysis wt%

Pd : 41.32, As : 27.49, Sb : 1.59, Se : 27.67, S : 1.22 (Ref: Mineralogical Magazine 2006)

Strunz 9th edition incl. updates

2.EB.25

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
B: M:S = 1:2, mit Fe, Co, Ni, PGE, usw.
25:Gersdorffit-Gruppe

Lapis Classification

II/D.18-043

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

Classification by Hölzel

2.EB.530

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
B: With Fe,Co,Ni,PGE Pyrite, Marcasite Family
5: Michenerite-Group

Dana 8th edition

02.12.03.16

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2
03: Cobaltite Group (Cubic or pseudocubic crystals)

IMA status

anerkannt 2004

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Cobaltite group

Crystallography

Crystal System

kubisch

Class (H-M)

m3

Space Group number

205

Space Group

Pa3

Cell parameters a (Å)

6.089

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)

225.755

X-Ray Powder Diffraction

3.027(75), 2.725(65), 2.478(65), 1.838(100), 1.077(80), 0.988(70), 0.929(90), 0.918(70)
XRD chart Kalungaite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.25

VHN (Hardness Vickers)

438 (25g)

Density (g/cm³)

7.59 (berechnet)

7.658 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Brasilien/Mittelwesten (Região Centro-Oeste)/Goiás/Cavalcante/Buraco do Ouro Mina

Preface

Author (Name, Year)

Botelho & Moura & Peterson & Stanley & Silva, 2006

References

Mineralogical Magazine 70 (2006), 123

IMA group assignments

Other languages

German

Kalungait

English

Kalungaite

Russian

Калунгаит

Traditional Chinese

硒砷鈀礦

Simplified Chinese

硒砷钯矿

CNMNC (IMA)-Number

IMA 2004-047

CNMNC symbol

Symbol

Klu