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Krutovite (Крутовит)

Pictures (1 Images total)

Krutovit
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1397945137
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Krutovit
graue, nierige Krutovit-Aggregate; Geschiebergang, 12. Sohle, Schacht Svornost (Einigkeit), Jàchymov, Tschechien; Bildbreite: 2,5 mm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Tschechien/Karlsbad (Karlovarský kraj)/Karlsbad (Okres Karlovy Vary)/St. Joachimsthal (Jáchymov)/Einigkeit (Svornost)/Geschieber-Gang
Mineral: Krutovite
Image: 1397945137
License: Usage for Mineralienatlas project only
Krutovit

graue, nierige Krutovit-Aggregate; Geschiebergang, 12. Sohle, Schacht Svornost (Einigkeit), Jàchymov, Tschechien; Bildbreite: 2,5 mm

Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2014-04-19
Locality: Geschieber-Gang / Einigkeit (Svornost) / St. Joachimsthal (Jáchymov) / Karlsbad (Okres Karlovy Vary) / Karlsbad (Karlovarský kraj) / Tschechien

Collectors Summary

Color leuchtend weiß mit einem rose Farbton
Streak color Krutovite,Krutovit,Krutovita
Hardness (Mohs) 5.5
Solubility ++ HNO3, - HCl
Crystal System kubisch, P213

Chemism

Chemical formula

NiAs2

Chemical composition

Arsen, Nickel

Unit weight: 208.536624 u; Number of atoms in the formula: 3

Info

Empirical formula:

NiAs2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Nickel

Ni

28.15

1

33.33

58.6934200

58.6934200

Arsenic

As

71.85

2

66.67

74.9216020

149.8432040

Analysis wt%

Ø Ni : 25.90, Cu : 0.85, As : 72.60 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 76)

Strunz 9th edition incl. updates

2.EB.15

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.
15:Löllingit-Gruppe

Lapis Classification

II/D.19-010

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

Classification by Hölzel

2.EB.450

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

Dana 8th edition

02.12.01.12

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

leuchtend weiß mit einem rose Farbton

Streak color

Krutovite,Krutovit,Krutovita

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

kubisch

Class (H-M)

23

Space Group number

198

Space Group

P213

Cell parameters a (Å)

5.79

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)

194.105

X-Ray Powder Diffraction

2.897(60),
2.593(100),
2.365(80),
2.051(50),
1.746(80),
1.608(50),
1.548(60),
1.024(60)

XRD chart Krutovite

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)

5.5

VHN (Hardness Vickers)

629

Density (g/cm³)

7.13 (berechnet)

7.136 ( ρ calc. Mineralienatlas )

Instability

++ HNO3, - HCl

Preface

Author (Name, Year)

Vinogradova & Rudashevsky & Bud'ko & Bochek & Kaspar & Padera, 1976

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 105 (1976), 59

Other languages

German

Krutovit

Spanish

Krutovita

English

Krutovite

French

Krutovite

Russian

Крутовит

Alternative Name

German

Krutowit

CNMNC (IMA)-Number

IMA 1975-009

CNMNC symbol

Symbol

Kru

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 8tnFGOg0A0-M3DwpyCNxaQ
GUID (Global unique identifier) 18C5D9F2-34E8-4F03-8CDC-3C29C8237169
Database ID 2066