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Mutnovskite

Collectors Summary

Color rubinrot, dunkelrot bis blau
Hardness (Mohs) 2
Cleavages keine
Fracture keiner
Crystal System orthorhombisch, Pnma

Chemism

Chemical formula

Pb2AsS3(I,Cl)

Chemical composition

Arsen, Blei, Chlor, Iod, Schwefel

Unit weight: 689.57975675 u; Number of atoms in the formula: 7

Info

Empirical formula:

Pb2AsS3(I0.75Cl0.25)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

13.95

3

42.86

32.0655000

96.1965000

Chlorine

Cl

1.29

0.25

3.57

35.4532000

8.8633000

Arsenic

As

10.86

1

14.29

74.9216020

74.9216020

Iodine

I

13.80

0.75

10.71

126.9044730

95.1783548

Lead

Pb

60.10

2

28.57

207.2100000

414.4200000

Analysis wt%

Pb : 61.95, Bi : 0.58, As : 11.06, S : 14.35, Cl : 2.44, I : 8.92, Br : 1.05 (Ref: American Mineralogist 2006)

Strunz 9th edition incl. updates

2.FC.40

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
F: Sulfide, Arsenide, Alkaide; Sulfide mit Halogeniden, Oxiden, Hydroxiden (H2O)
C: mit Cl, Br, I (Halide-Sulfide)
40:Mutnovskit-Gruppe

Lapis Classification

II/E.27-030

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)

Classification by Hölzel

2.GD.640

2: SULFIDES
G: SnS Archetype
D:
6: Chlorosulfosalts

Dana 8th edition

02.15.07.01

02: Sulfide Minerals
15: Sulfides - Including Selenides and Tellurides (Chlorides)

IMA status

anerkannt 2004

Mineral status

anerkanntes Mineral

Optical Properties

Color

rubinrot, dunkelrot bis blau

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pnma

Cell parameters a (Å)

11.543

Cell parameters b (Å)

6.676

Cell parameters c (Å)

9.359

Cell parameters a/b or c/a

1.729

Cell parameters c/b

1.402

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

721.215

X-Ray Powder Diffraction

4.690(32), 4.370(67), 3.340(73), 3.190(100), 2.715(61), 2.648(66), 2.539(31), 1.894(30)

XRD chart Mutnovskite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

6.177 (berechnet)

6.35 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

keiner

Tenacity

zerbrechlich

Preface

Name from

der Typlokalität

Author (Name, Year)

Zelinski & Balic-Zunic & Bindi & Garavelli & Makovicky & Pinto & Vurro

References

Zelenski, M., Balić-Žunić, T., Bindi, L., Garavelli, A., Makovický, E., Pinto, D., Vurro, F.: "First occurrence of iodine in natural sulfosalts: The case of mutnovskite, Pb2AsS3(I,Cl,Br), a new mineral from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation", American Mineralogist 91:21-28 (2006) (in englisch)

Other languages

German

Mutnovskit

Spanish

Mutnovskita

English

Mutnovskite

French

Mutnovskite

Russian

Мутновскит

CNMNC (IMA)-Number

IMA 2004-032

CNMNC symbol

Symbol

Mvs

Locations with GPS information

IDs

GUSID (Global unique identifier short form) JorcZ-M9PkecCXc-c08Hnw
GUID (Global unique identifier) 67DC8A26-3DE3-473E-9C09-773E734F079F
Database ID 4456