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Stibiopalladinite (Allopalladium)

Pictures (2 Images total)

Stibiopalladinit
Views (File:
1602086716
): 376
Stibiopalladinit
metallische Partien von Stibiopalladinit, Tweefontein Farm, Mokopane, Mogalakwena, Limpopo, Südafrika; BB < 1 cm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Südafrika/Limpopo, Provinz/Eastern Bushveld Complex/Mokopane (Potgietersrus)/Tweefontein Farm
Mineral: Stibiopalladinite
Image: 1602086716
License: Usage for Mineralienatlas project only
Stibiopalladinit

metallische Partien von Stibiopalladinit, Tweefontein Farm, Mokopane, Mogalakwena, Limpopo, Südafrika; BB < 1 cm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-10-07
Locality: Tweefontein Farm / Mokopane (Potgietersrus) / Eastern Bushveld Complex / Limpopo, Provinz / Südafrika
Stibiopalladinit
Views (File:
1706217584
): 24
Stibiopalladinit
Euhedrische Kristalle; Größe: > 1 mm; Fundort: Tweefontein Farm, Mokopane, Eastern Bushveld Complex, Limpopo, ZA
Copyright: mintreasure.com; Contribution: slugslayer
Location: Südafrika/Limpopo, Provinz/Eastern Bushveld Complex/Mokopane (Potgietersrus)/Tweefontein Farm
Mineral: Stibiopalladinite
Image: 1706217584
License: Usage for Mineralienatlas project only
Stibiopalladinit

Euhedrische Kristalle; Größe: > 1 mm; Fundort: Tweefontein Farm, Mokopane, Eastern Bushveld Complex, Limpopo, ZA
Copyright: mintreasure.com
Contribution: slugslayer 2024-01-25
Locality: Tweefontein Farm / Mokopane (Potgietersrus) / Eastern Bushveld Complex / Limpopo, Provinz / Südafrika

Collectors Summary

Color weiß, gelblich weiß
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 5.75
Solubility +++ heißes Königswasser
Crystal System hexagonal, P63cm

Chemism

Chemical formula

Pd5Sb2

Chemical composition

Antimon, Palladium

Unit weight: 775.6252 u; Number of atoms in the formula: 7

Info

Empirical formula:

Pd5Sb2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Palladium

Pd

68.60

5

71.43

106.4210000

532.1050000
Antimony

Sb

31.40

2

28.57

121.7601000

243.5202000

Analysis wt%

Pd : 67.60, Cu : 1.60, Sb : 30.60, PLT : 67.60 (Ref: American Mineralogist 76)

Strunz 9th edition incl. updates

2.AC.20

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
A: Legierungen und legierungsartige Verbindungen
C: Verbindungen von Halbmetallen mit Platin-Gruppen-Elementen (PGE)
20:Stibiopalladinit-Gruppe

Lapis Classification

II/A.05-080

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
A: Legierungen und legierungsartige Verbindungen
5: mit Metallen der Platin-gruppe (v.a. Pd)

Classification by Hölzel

2.AC.300

2: SULFIDES
A: Alloys of Cu,Ag,Au,Ni,Pd with As,Sb,Bi,(Te)
C: With Pd
3: Stibiopalladinite-Palladoarsenide-Group

Dana 8th edition

02.03.03.01

02: Sulfide Minerals
03: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=5:2

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß, gelblich weiß

Streak color

schwarz

Change in color

gelblich weiß in reflektiertem Licht

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Pleochroism

schwach, blasgelb zu gelblich weiß,gelegentlich zart grünlich, pink oder levendel

Anisotropism

deutlich, in der Regle fehlen Farben, aber einige Körner sind violett grau bis grünlich grau

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 39.9, 40.6, 40.25
(420) 42.2, 43.4, 42.80
(440) 44.5, 46.2, 45.35
(460) 46.6, 48.5, 47.55
(480) 48.4, 50.4, 49.40
(500) 50.0, 52.0, 51.00
(520) 51.4, 53.2, 52.30
(540) 52.5, 54.2, 53.35
(560) 53.5, 54.8, 54.15
(580) 54.4, 55.2, 54.80
(600) 55.4, 55.6, 55.50
(620) 56.4, 56.0, 56.20
(640) 57.4, 56.6, 57.00
(660) 58.6, 57.1, 57.85
(680) 59.7, 57.6, 58.65
(700) 61.0, 58.3, 59.65
Reflection chart Stibiopalladinite

Reflectivity Ø

52.23

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

hexagonal

Class (H-M)

6mm

Space Group number

185

Space Group

P63cm

Cell parameters a (Å)

7.606

Cell parameters b (Å)

-

Cell parameters c (Å)

14.212

Cell parameters a/b or c/a

1.869

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

6

Volume (ų)

712.03

X-Ray Powder Diffraction

2.263(100),
2.194(100),
1.576(40),
1.429(20),
1.279(50),
1.267(30),
1.228(50),
1.183(50)
XRD chart Stibiopalladinite

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)

5.75

VHN (Hardness Vickers)

607 (50g)

Density (g/cm³)

10.85 (berechnet) 9.5 (gemessen)

10.852 ( ρ calc. Mineralienatlas )

Instability

+++ heißes Königswasser

(Co-)Type locality

(Co-)Type locality

Südafrika/Limpopo, Provinz/Eastern Bushveld Complex/Mokopane (Potgietersrus)/Tweefontein Farm

Type material

British Museum (Natural History), London, England

Royal Ontario Museum, Toronto, Kanada

National Museum of Natural History, Washington, D.C., USA

Collection number of type material

1930,950-2 (England), M34229 (Kanada), 135408 (USA)

Preface

Name from

der chemischen Zusammensetzung

Author (Name, Year)

Wagner, 1929

References

The Platinum Deposits and Mines of South Africa. Oliver and Boyd, Edinburgh (1929)

Handbook of Mineralogy (Anthony et al.), 1 (1990), 497

Journal of the Less-Common Metals 22 (1970), 445

Other languages

Spanish

Estibiopaladinita

German

Stibiopalladinit

English

Stibiopalladinite

French

Stibiopalladinite

Russian

Стибиопалладинит

Traditional Chinese

銻鈀礦

Simplified Chinese

锑钯矿

Alternative Name

English

Allopalladium

German

Eugenesit

Spanish

Eugenesita

Eugenesite

Spanish

Stibiopalladinita

CNMNC symbol

Symbol

Stpdn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) g1h10guCN0ODDac_f2hAxA
GUID (Global unique identifier) D2755883-820B-4337-830D-A73F7F6840C4
Database ID 3636