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Yushkinite (IMA 1983-050)

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Yushkinit
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Yushkinit

metallisch glänzende, violettschwarze Aggregate von Yushkinit in Calcit, Silova-Yakha Fluss, Pai Choi Gebirge, Komi, Russland; BB 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-01-23
Locality: Silova-Yakha-Fluss / Pai-Choi-Gebirge / Yugorsk-Halbinsel / Sapoljarny, Rajon / Autonomer Kreis der Nenzen / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color rosaviolett-met.
Streak color rötlichgrau
Hardness (Mohs) 1
Solubility +++ HCl, HNO3
Crystal System trigonal, P3m1

Chemism

Chemical formula

(Mg,Al)(OH)2VS2

Chemical composition

Aluminium, Magnesium, Sauerstoff, Schwefel, Vanadium, Wasserstoff

Unit weight: 174.06144355 u; Number of atoms in the formula: 8

Info

Empirical formula:

(Mg0.75Al0.25)(OH)2VS2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.16

2

25.00

1.0079470

2.0158940

Oxygen

O

18.38

2

25.00

15.9994300

31.9988600

Magnesium

Mg

10.47

0.75

9.38

24.3050600

18.2287950

Aluminium

Al

3.88

0.25

3.13

26.9815382

6.7453846

Sulfur

S

36.84

2

25.00

32.0655000

64.1310000

Vanadium

V

29.27

1

12.50

50.9415100

50.9415100

Strunz 9th edition incl. updates

2.FD.30

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
F: Sulfide, Arsenide, Alkaide; Sulfide mit Halogeniden, Oxiden, Hydroxiden (H2O)
D: mit O, OH, H2O
30:Valleriit-Gruppe

Lapis Classification

II/C.23-010

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

Classification by Hölzel

2.KC.240

2: SULFIDES
K: Nonmetallic Sulfides, HalideSulfides, etc.
C: With O,OH,H2O
2: With Hydroxide

Dana 8th edition

02.14.03.02

02: Sulfide Minerals
14: Sulfides - Including Selenides and Tellurides (Hydroxyl or Hydrated)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

rosaviolett-met.

Streak color

rötlichgrau

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

156

Space Group

P3m1

Cell parameters a (Å)

3.21

Cell parameters b (Å)

-

Cell parameters c (Å)

11.3

Cell parameters a/b or c/a

3.52

Cell parameters c/b

-

Z

1

Volumne (ų)

100.837

X-Ray Powder Diffraction

11.40(30),
5.68(100),
2.76(60),
2.76(20),
1.596(40),
1.575(60),
1.534(30),
1.386(30)

XRD chart Yushkinite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

1

VHN (Hardness Vickers)

4 (10g)

Density (g/cm³)

2.94 (gemessen)

2.866 ( ρ calc. Mineralienatlas )

Instability

+++ HCl, HNO3

Preface

Author (Name, Year)

Makeev & Evstigneeva & Troneva & Vyal'sov & Gorshkov & Trubkin, 1984

References

Makeev A B, Evstigneeva T L, Troneva N V, Vyalsov L N, Gorshkov A I, Trubkin N V: Yushkinite V1-xS·n[(Mg,Al)(OH)2] - a new mineral (in russ. Sprache). Mineralogiceskij Zhurnal Vol. 6, Nr. 5 (1984) S. 91-98.

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

Ekplexite

(Nb,Mo,W)S2·(Mg1-xAlx)(OH)2+x

trigonal : 32, 3m, 3m : P321, P3m1, P3m1

2.FD.30

Haapalaite

2[(Fe,Ni)S]·1.61[(Mg,Fe)(OH)2]

2.FD.30

Kaskasite

(Mo,Nb)S2·(Mg1–xAlx)(OH)2+x

trigonal : 3m, 3m, 32 : P3m1, P3m1, P321

2.FD.30

Manganokaskasite

(Mo,Nb)S2·(Mn1–xAlx)(OH)2+x

trigonal : 3m, 3m, 32 : P3m1, P3m1, P321

2.FD.30

Valleriite

2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2]

trigonal : 3m : R3m

2.FD.30

Yushkinite

(Mg,Al)(OH)2VS2

trigonal : 3m : P3m1

2.FD.30

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

Yushkinite

(Mg,Al)(OH)2VS2

trigonal : 3m : P3m1

II/C.23-010

Valleriite

2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2]

trigonal : 3m : R3m

II/C.23-020

Ferrovalleriite

(Fe,Cu)2S2·1.5Fe(OH)2

trigonal : 3m, 3m, 32 : R3m, R3m, R32

II/C.23-025

Haapalaite

2[(Fe,Ni)S]·1.61[(Mg,Fe)(OH)2]

II/C.23-030

Tochilinite

6(Fe0.9S)·5[(Mg,Fe)(OH)2]

triklin : 1 : C1

II/C.23-040

Ferrotochilinite

6FeS·5Fe(OH)2

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

II/C.23-042

Vyalsovite

FeS·Ca(OH)2·Al(OH)3

II/C.23-050

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

Valleriite

2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2]

trigonal : 3m : R3m

2.KC.200

Haapalaite

2[(Fe,Ni)S]·1.61[(Mg,Fe)(OH)2]

2.KC.210

Ekplexite

(Nb,Mo,W)S2·(Mg1-xAlx)(OH)2+x

trigonal : 32, 3m, 3m : P321, P3m1, P3m1

2.KC.215

Tochilinite

6(Fe0.9S)·5[(Mg,Fe)(OH)2]

triklin : 1 : C1

2.KC.220

Ferrotochilinite

6FeS·5Fe(OH)2

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

2.KC.230

Yushkinite

(Mg,Al)(OH)2VS2

trigonal : 3m : P3m1

2.KC.240

Vyalsovite

FeS·Ca(OH)2·Al(OH)3

2.KC.280

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

Valleriite

2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2]

trigonal : 3m : R3m

02.14.01.01

Tochilinite

6(Fe0.9S)·5[(Mg,Fe)(OH)2]

triklin : 1 : C1

02.14.02.01

Haapalaite

2[(Fe,Ni)S]·1.61[(Mg,Fe)(OH)2]

02.14.03.01

Yushkinite

(Mg,Al)(OH)2VS2

trigonal : 3m : P3m1

02.14.03.02

Vyalsovite

FeS·Ca(OH)2·Al(OH)3

02.14.04.01

Erdite

NaFeS2·2H2O

monoklin : 2/m : C2/c

02.14.05.01

Coyoteite

NaFe3S5·2H2O

triklin : 1, 1 : P1, P1

02.14.06.01

Orickite

CuFeS2·nH2O

02.14.07.01

Wilhelmramsayite

Cu3FeS3·2H2O

orthorhombisch : mmm : Pmmm

02.14.08.01

Other languages

German

Yushkinit

Spanish

Yushkinita

English

Yushkinite

French

Yushkinite

Russian

Юшкинит

Alternative Name

German

Jushkinit

IMA Number

IMA 1983-050

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Yushkinit
Google-Bilder-Suche - search for: Yushkinit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Yushkinit

English pages

Mindat - search for: Yushkinite
Webmineral - search for:Yushkinite
Handbook-of-Mineralogy - search for: Yushkinite
RRUFF - Raman, XRD and other mineral data - search for: Yushkinite
RRUFF - References and PDF downloads - search for: Yushkinite
American-Mineralogist-Crystal-Structure-Database - search for: Yushkinite
Athena - search for: Yushkinite

Russian pages

Webmineral.ru - search for: Юшкинит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Yushkinit
Crystal-Treasure.com - search for: Yushkinit
Bosse - search for: Yushkinit



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