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Padmaite

Collectors Summary

Color gelb
Hardness (Mohs) 4.5
Cleavages unvollkommen, Richtung nicht angegeben
Fracture nicht beobachtet
Crystal System kubisch, P213

Chemism

Chemical formula

PdBiSe

Chemical composition

Bismut, Palladium, Selen

Unit weight: 394.364382 u; Number of atoms in the formula: 3

Info

Empirical formula:

PdBiSe

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Selenium

Se

20.02

1

33.33

78.9630000

78.9630000

Palladium

Pd

26.99

1

33.33

106.4210000

106.4210000

Bismuth

Bi

52.99

1

33.33

208.9803820

208.9803820

Analysis wt%

Pd : 25.70, Pt : 1.20, Ag : 0.80, Bi : 53.00, Se : 18.80, PLT : 26.90 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 91)

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.17-175

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

Classification by Hölzel

2.EB.546

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

02.12.03.10

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 von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Cobaltite group

Optical Properties

Color

gelb

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

kubisch

Class (H-M)

23

Space Group number

198

Space Group

P213

Cell parameters a (Å)

6.448

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

Volume (ų)

268.087

X-Ray Powder Diffraction

2.89(100),
2.63(90),
2.283(30),
1.943(90),
1.790(30),
1.724(50),
1.407(30),
1.376(40)

XRD chart Padmaite

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

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

266 (20g)

Density (g/cm³)

9.86 (berechnet)

9.77 ( ρ calc. Mineralienatlas )

Cleavages

unvollkommen, Richtung nicht angegeben

Fracture

nicht beobachtet

Tenacity

schneidbar

Preface

Author (Name, Year)

Polekhovskiy & Voloshin & Tarasova & Nikitin & Pakhomovskiy & Men'shik

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 120 (3) (1991), 85

IMA group assignments


 
 
RhSbS
kubisch
P213

 
 
IrBiS
kubisch
P213

 
 
CoAsS
orthorhombisch
Pc21b

 
 
NiAsS
kubisch
P213

 
 
(Rh,Pt,Pd)AsS
kubisch
Pa3

 
 
(Ir,Ru,Rh,Pt)AsS
kubisch
Pa3

 
 
(Ni,Co)AsSe
kubisch
Pa3

 
 
PdAsSe
kubisch
Pa3

 
 
PtBiTe
kubisch
P213

 
 
IrBiTe
kubisch
Pa3

 
 
PdBiTe
kubisch
P213

 
 
PdSbSe
kubisch
P213

 
 
PdBiSe
kubisch
P213

 
 
(Pt,Rh,Ru)AsS
kubisch
Pa3

 
 
PdSbTe
kubisch
P213

 
 
IrSbS
kubisch
Pa3

 
 
NiSbS
kubisch
P213


 
 
(Co,Ni)SbS
orthorhombisch
Pca21

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Actuality: 24. Nov 2023 - 15:20:45

Other languages

German

Padmait

English

Padmaite

French

Padmaite

Spanish

Padmaíta

Russian

Падмаит

Traditional Chinese

硒鉍鈀礦

Simplified Chinese

硒铋钯矿

CNMNC (IMA)-Number

IMA 1990-048

CNMNC symbol

Symbol

Pdm

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 9Xxlv0Wtj06SvcARvtPorw
GUID (Global unique identifier) BF657CF5-AD45-4E8F-92BD-C011BED3E8AF
Database ID 2884