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Palladseite (Palladseit)

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Palladseit
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Palladseit
metallisch glänzendes Aggregat von Palladseit, Itabira, Minas Gerais, Brasilien; BB < 1 mm, analysiert
Copyright: mintreasure.com; Contribution: openpit
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Itabira
Mineral: Palladseite
Image: 1649499445
License: Usage for Mineralienatlas project only
Palladseit

metallisch glänzendes Aggregat von Palladseit, Itabira, Minas Gerais, Brasilien; BB < 1 mm, analysiert

Copyright: mintreasure.com
Contribution: openpit 2022-04-09
Locality: Itabira / Minas Gerais / Südosten (Região Sudeste) / Brasilien

Collectors Summary

Color weiß in Luft, hellgrau in Öl
Hardness (Mohs) 5
Crystal System kubisch, Pm3m

Chemism

Chemical formula

Pd17Se15

Chemical composition

Palladium, Selen

Unit weight: 2993.602 u; Number of atoms in the formula: 32

Info

Empirical formula:

Pd17Se15

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Selenium

Se

39.57

15

46.88

78.9630000

1,184.4450000

Palladium

Pd

60.43

17

53.13

106.4210000

1,809.1570000

Analysis wt%

Pd : 55.77, Cu : 3.99, Hg : 1.66, Se : 38.69, PLT : 55.77 (Ref: Mineralogical Magazine 77)

Strunz 9th edition incl. updates

2.BC.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
B: Metallsulfide, M : S > 1 : 1 (hauptsächlich 2 : 1)
C: mit Rhodium (Rh), Palladium (Pd), Platin (Pt), usw.
05:Palladseit-Gruppe

Lapis Classification

II/B.16-070

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
B: Sulfide, Selenide und Telluride mit Verhältnis Metall : S,Se,Te > 1:1
16: Sulfide mit vorherrschend Nickel, Kobalt, Rhodium und Palladium; Pentlandit-Gruppe

Classification by Hölzel

2.BC.100

2: SULFIDES
B: Sulfides (etc) with Me/S > 1/1 (mostly 2/1)
C: With Pd
1: Oosterboschite-Palladseite-Group

Dana 8th edition

02.16.19.01

02: Sulfide Minerals
16: Sulfides - Including Selenides and Tellurides with miscellaneous formulae
19: Palladseite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß in Luft, hellgrau in Öl

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

221

Space Group

Pm3m

Cell parameters a (Å)

10.635

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

2

Volumne (ų)

1202.853

X-Ray Powder Diffraction

3.34(80),
3.18(100),
2.827(80),
2.563(100),
2.037(100),
1.870(100),
1.379(80)

XRD chart Palladseite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5

VHN (Hardness Vickers)

414 (100g)

Density (g/cm³)

8.3

8.265 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Brasilien/Südosten (Região Sudeste)/Minas Gerais/Itabira

Preface

Author (Name, Year)

Davis & Clark & Criddle, 1977

References

Mineralogical Magazine 41 (1977), 123, M12

Other languages

Spanish

Paladseíta

German

Palladseit

English

Palladseite

French

Palladseite

Russian

Палладсеит

Alternative Name

Palladseita

CNMNC (IMA)-Number

IMA 1975-026

CNMNC symbol

Symbol

Pds

Locations with GPS information