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Hollingworthite (Hollingworthit)

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Hollingworthit
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Hollingworthit
Anpolierte und eingeschweißte Körnchen mit graumetallischem Hollingworthit und etwas Sperrylith; Bildbreite 12 mm; Fundort: Pana, Kola-Halbinsel, Rußland
Copyright: Andi_Y; Contribution: Andi_Y
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Fedorovo-Pansky (Pana) Massiv
Mineral: Hollingworthite
Image: 1159865222
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Hollingworthit

Anpolierte und eingeschweißte Körnchen mit graumetallischem Hollingworthit und etwas Sperrylith; Bildbreite 12 mm; Fundort: Pana, Kola-Halbinsel, Rußland
Copyright: Andi_Y
Contribution: Andi_Y 2006-10-03
Locality: Fedorovo-Pansky (Pana) Massiv / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color mittelgrau, bläulich in Öl
Lustre Metallglanz
Hardness (Mohs) 5.75
Crystal System kubisch, Pa3

Chemism

Chemical formula

(Rh,Pt,Pd)AsS

Chemical composition

Arsen, Palladium, Platin, Rhodium, Schwefel

Unit weight: 237.8959632 u; Number of atoms in the formula: 3

Info

Empirical formula:

(Rh0.6Pt0.3Pd0.1)AsS

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

13.48

1

33.33

32.0655000

32.0655000
Arsenic

As

31.49

1

33.33

74.9216020

74.9216020
Rhodium

Rh

25.95

0.6

20.00

102.9055020

61.7433012
Palladium

Pd

4.47

0.1

3.33

106.4210000

10.6421000
Platinum

Pt

24.60

0.3

10.00

195.0782000

58.5234600

Analysis wt%

Pt : 10.30, Ir : 3.10, Rh : 30.80, Pd : 8.70, As : 32.60, S : 13.90, PLT : 52.90 (Ref: American Mineralogist 65)

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.18-050

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.510

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

02.12.03.08

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

mittelgrau, bläulich in Öl

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Crystallography

Crystal System

kubisch

Class (H-M)

m3

Space Group number

205

Space Group

Pa3

Cell parameters a (Å)

5.769

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)

192

X-Ray Powder Diffraction

3.31(100),
2.87(100),
2.57(80),
2.04(90),
1.74(100),
1.29(80),
1.112(90),
0.975(80)
XRD chart Hollingworthite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.75

VHN (Hardness Vickers)

675 (100g)

Density (g/cm³)

7.91

8.229 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Südafrika/Limpopo, Provinz/Bushveld Complex/Burgersfort/Sekhukhuneland/Driekop Mine

Preface

Author (Name, Year)

Stumpfl & Clark, 1965

References

American Mineralogist 50 (1965), 1068

IMA group assignments

Other languages

German

Hollingworthit

Spanish

Hollingworthita

French

Hollingworthite

English

Hollingworthite

Russian

Холлингуортит

Japanese

硫砒ﾛｼﾞｳﾑ鉱

Simplified Chinese

硫砷铑矿

Alternative Name

Hollingsworthit

Hollingsworthita

Hollingsworthite

CNMNC (IMA)-Number

IMA 1964-029

CNMNC symbol

Symbol

Hlw

Locations with GPS information