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Palladseite

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

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

'Miassite'

Rh17S15

kubisch : m3m : Pm3m

2.BC.05

Palladseite

Pd17Se15

kubisch : m3m : Pm3m

2.BC.05

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

Pentlandite

(Fe,Ni)9S8

kubisch : m3m : Fm3m

II/B.16-010

Cobaltpentlandite

Co9S8

kubisch : m3m : Fm3m

II/B.16-020

Argentopentlandite

Ag(Fe,Ni)8S8

kubisch : m3m : Fm3m

II/B.16-030

Geffroyite

(Cu,Fe,Ag)9(Se,S)8

kubisch : m3m : Fm3m

II/B.16-040

Manganoshadlunite

(Mn,Pb,Cd)(Cu,Fe)8S8

kubisch : m3m : Fm3m

II/B.16-050

Shadlunite

(Pb,Cd)(Fe,Cu)8S8

kubisch : m3m : Fm3m

II/B.16-060

Palladseite

Pd17Se15

kubisch : m3m : Pm3m

II/B.16-070

'Miassite'

Rh17S15

kubisch : m3m : Pm3m

II/B.16-080

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

Palladseite

Pd17Se15

kubisch : m3m : Pm3m

2.BC.100

'Miassite'

Rh17S15

kubisch : m3m : Pm3m

2.BC.110

Oosterboschite

(Pd,Cu)7Se5

2.BC.150

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

Sopcheite

Ag4Pd3Te4

orthorhombisch : mmm : Cmca

02.16.10.01

Chrisstanleyite

Ag2Pd3Se4

monoklin : 2/m : P21/c

02.16.10.02

Jagüéite

Cu2Pd3Se4

monoklin : 2/m : P21/c

02.16.10.03

Henryite

Cu4Ag3Te4

02.16.11.01

Furutobeite

(Cu,Ag)6PbS4

monoklin : 2, m, 2/m : C2, Cm, C2/m

02.16.12.01

Schlemaite

(Cu,Ag)6(Pb,Bi)Se4

monoklin : 2/m : P21/m

02.16.12.02

Stützite

Ag5-xTe3 {x = 0.24-0.36}

hexagonal : 6m2 : P62m

02.16.13.01

Gortdrumite

Cu18FeHg6S16

02.16.14.01

Rickardite

Cu3-xTe2

orthorhombisch : mmm : Pmmn

02.16.15.01

Oosterboschite

(Pd,Cu)7Se5

02.16.15.02

Maucherite

Ni11As8

tetragonal : 422, 422 : P41212, P43212

02.16.16.01

Athabascaite

Cu5Se4

02.16.17.01

Penzhinite

(Ag,Cu)4Au(S,Se)4

hexagonal : 622 : P6322

02.16.18.01

Palladseite

Pd17Se15

kubisch : m3m : Pm3m

02.16.19.01

'Miassite'

Rh17S15

kubisch : m3m : Pm3m

02.16.19.02

Alternative Name

Palladseita

IMA Number

IMA 1975-026

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