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Tsumoite

Pictures (2 Images total)

Tsumoit mit orangegelbem Yecorait
Views (File:
1241813011
): 1488
Tsumoit mit orangegelbem Yecorait
Kristallgröße: 1 mm; Fundort: Hebbersfors (Häbbersfors), Sandfors, Västerbotten, Schweden
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Schweden/Västerbotten, Provinz/Sandfors/Hebbersfors (Häbbersfors)
Mineral: Tsumoite
Image: 1241813011
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Tsumoit mit orangegelbem Yecorait

Kristallgröße: 1 mm; Fundort: Hebbersfors (Häbbersfors), Sandfors, Västerbotten, Schweden
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-08
Locality: Hebbersfors (Häbbersfors) / Sandfors / Västerbotten, Provinz / Schweden
Tsumoit
Views (File:
1443890442
): 824
Tsumoit
Tsumoit auf Quarz, Bildbreite: 5 mm, Fundort: Björkdal Grube, Sandfors, Provinz Västerbotten, Schweden
Copyright: Stephan Wolfsried; Contribution: thdun5
Location: Schweden/Västerbotten, Provinz/Sandfors/Björkdal Grube
Mineral: Tsumoite
Image: 1443890442
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Tsumoit

Tsumoit auf Quarz, Bildbreite: 5 mm, Fundort: Björkdal Grube, Sandfors, Provinz Västerbotten, Schweden
Copyright: Stephan Wolfsried
Contribution: thdun5 2015-10-03
Locality: Björkdal Grube / Sandfors / Västerbotten, Provinz / Schweden

Collectors Summary

Color silberweiß-met.
Streak color stahlgrau
Hardness (Mohs) 2.5
Solubility +++ HNO3, FeCl3
Crystal System trigonal, P3m1

Chemism

Chemical formula

BiTe

Chemical composition

Bismut, Tellur

Unit weight: 336.583382 u; Number of atoms in the formula: 2

Info

Empirical formula:

BiTe

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Tellurium

Te

37.91

1

50.00

127.6030000

127.6030000
Bismuth

Bi

62.09

1

50.00

208.9803820

208.9803820

Analysis wt%

Bi : 61.00, Pb : 1.10, Te : 37.30 (Ref: American Mineralogist 78)

Strunz 9th edition incl. updates

2.DC.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
D: Metallsulfide mit M:S = 3:4 und 2:3
C: M:S variabel
05:Tetradymit-Gruppe

Lapis Classification

II/D.10-040

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

Classification by Hölzel

2.DC.250

2: SULFIDES
D: With Me/S <1/1 and >1/2
C: Me/S Variable
2: Tsumoite-Group

Dana 8th edition

02.08.20.01

02: Sulfide Minerals
08: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
20: Tsumoite Group (Trigonal: P-3m1)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Tetradymite group

Optical Properties

Color

silberweiß-met.

Streak color

stahlgrau

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

164

Space Group

P3m1

Cell parameters a (Å)

4.422

Cell parameters b (Å)

-

Cell parameters c (Å)

24.05

Cell parameters a/b or c/a

5.439

Cell parameters c/b

-

Z

6

Volumne (ų)

407.271

X-Ray Powder Diffraction

3.23(100),
2.36(80),
2.21(80),
2.01(50),
1.825(80),
1.617(50),
1.487(80),
1.408(80)
XRD chart Tsumoite

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)

2.5

VHN (Hardness Vickers)

71 (15g)

Density (g/cm³)

8.16 (gemessen)

8.233 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3, FeCl3

(Co-)Type locality

(Co-)Type locality

Japan/Honshū (Honschu), Insel/Chūgoku (Tschugoku, Chugoku), Region/Shimane, Präfektur/Masuda, Stadt/Tsumo Mine

Preface

Author (Name, Year)

Shimazaki & Ozawa, 1978

References

American Mineralogist 63 (1978), 1162

IMA group assignments

Other languages

German

Tsumoit

English

Tsumoite

French

Tsumoite

Spanish

Tsumoíta

Russian

Цумоит

Simplified Chinese

楚碲铋矿

Alternative Name

Simplified Chinese

三方碲铋矿

Japanese

都茂鉱

CNMNC (IMA)-Number

IMA 1974-010a

CNMNC symbol

Symbol

Tsm

Locations with GPS information

IDs

GUSID (Global unique identifier short form) MYuEQ8cut0KPG2KpAFD0wA
GUID (Global unique identifier) 43848B31-2EC7-42B7-8F1B-62A90050F4C0
Database ID 3931