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Insizwaite (Insizwait)

Pictures (1 Images total)

Urvantsevit
Views (File:
1580582013
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Urvantsevit
Erzschliff mit Urvantsevit und Sobolevskit, Insizwait, Silber, Altait, Mooihoekit, Cubanit, Pentlandit etc. aus der Oktjabrsky Lagerstätte, Norilsk, Russland. Analyse von N. Rudashevsky, Sankt Petersburg.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: Erz-Urva-2-1-11
Location: Russland/Sibirien, Föderationskreis/Krasnojarsk (Krasnojarski), Krai/Taimyrhalbinsel (Tajmyr)/Putoran-Plateau/Noril'sk/Talnakh/Oktyabr'skoye Mine (Oktyabr'sky, Oktyabr'skoe)
Mineral: Altaite, Insizwaite, Mooihoekite, Sobolevskite, Urvantsevite
Image: 1580582013
License: Usage for Mineralienatlas project only
Urvantsevit (SNr: Erz-Urva-2-1-11)

Erzschliff mit Urvantsevit und Sobolevskit, Insizwait, Silber, Altait, Mooihoekit, Cubanit, Pentlandit etc. aus der Oktjabrsky Lagerstätte, Norilsk, Russland. Analyse von N. Rudashevsky, Sankt Pete...

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2020-02-01
Locality: Oktyabr'skoye Mine (Oktyabr'sky, Oktyabr'skoe) / Talnakh / Noril'sk / Putoran-Plateau / Taimyrhalbinsel (Tajmyr) / Krasnojarsk (Krasnojarski), Krai / Sibirien, Föderationskreis / Russland

Collectors Summary

Color weiß
Hardness (Mohs) 5.5
Crystal System kubisch, Pa3

Chemism

Chemical formula

Pt(Bi,Sb)2

Chemical composition

Antimon, Bismut, Platin

Unit weight: 569.428823 u; Number of atoms in the formula: 3

Info

Empirical formula:

Pt(Bi0.75Sb0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Antimony

Sb

10.69

0.5

16.67

121.7601000

60.8800500

Platinum

Pt

34.26

1

33.33

195.0782000

195.0782000

Bismuth

Bi

55.05

1.5

50.00

208.9803820

313.4705730

Analysis wt%

Pt : 36.00, Bi : 52.70, Sb : 12.50, PLT : 36.00 (Ref: Mineralogical Magazine 72)

Strunz 9th edition incl. updates

2.EB.05

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.
05:Pyrit-Gruppe

Lapis Classification

II/D.17-150

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.370

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
B: With Fe,Co,Ni,PGE Pyrite, Marcasite Family
3: Laurite-Group

Dana 8th edition

02.12.01.15

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2
01: Pyrite Group (Isometric: Pa3)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

kubisch

Class (H-M)

m3

Space Group number

205

Space Group

Pa3

Cell parameters a (Å)

6.625

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)

290.775

X-Ray Powder Diffraction

2.96(80),
2.70(80),
2.34(50),
1.998(100),
1.774(70),
1.277(60),
1.171(60),
0.862(70)

XRD chart Insizwaite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

519 (25g)

Density (g/cm³)

12.8

13.007 ( ρ calc. Mineralienatlas )

Preface

Name from

der Typlokalität, siehe Bruce Cairncross, R. Grant Cawthorn: The Where of Mineral Names: Insizwaite Waterfall Gorge, Insizwa, Alfred Nzo District Municipality Eastern Cape Province, South Africa. Rocks & Minerals Vol. 98, Nr. 4 (2023) S. 379-385.

Author (Name, Year)

Cabri & Harris, 1972

References

Mineralogical Magazine 38 (1972), 794

Other languages

German

Insizwait

French

Insizwaite

English

Insizwaite

Spanish

Insizwaíta

Russian

Инсизваит

CNMNC (IMA)-Number

IMA 1971-031

CNMNC symbol

Symbol

Isw

Locations with GPS information

IDs

GUSID (Global unique identifier short form) P5w43xeqx0SwJjNZtbRZng
GUID (Global unique identifier) DF389C3F-AA17-44C7-B026-3359B5B4599E
Database ID 1727