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Volynskite

Collectors Summary

Color blass purpurfarben
Hardness (Mohs) 2.5
Crystal System trigonal, P3m1

Chemism

Chemical formula

AgBiTe2

Chemical composition

Bismut, Silber, Tellur

Unit weight: 572.054602 u; Number of atoms in the formula: 4

Info

Empirical formula:

AgBiTe2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Silver

Ag

18.86

1

25.00

107.8682200

107.8682200
Tellurium

Te

44.61

2

50.00

127.6030000

255.2060000
Bismuth

Bi

36.53

1

25.00

208.9803820

208.9803820

Analysis wt%

Ag : 18.86, Bi : 36.53, Te : 44.61 (Ref: berechnet)

Strunz 9th edition incl. updates

2.CD.15

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
D: mit Zinn (Sn), Blei (Pb), Quecksilber (Hg), usw.
15:Matildit-Gruppe

Lapis Classification

II/C.16-050

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

Classification by Hölzel

2.CD.340

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
D: With Sn,Pb, etc. - Coordination Number ~[4+1]
3: Matildite-Group

Dana 8th edition

03.07.01.03

03: Sulfides - Sulfosalts
07: Sulfides - Sulfosalts where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
01: Matildite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blass purpurfarben

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

164

Space Group

P3m1

Cell parameters a (Å)

4.468

Cell parameters b (Å)

-

Cell parameters c (Å)

20.75

Cell parameters a/b or c/a

4.644

Cell parameters c/b

-

Z

3

Volume (ų)

358.736

X-Ray Powder Diffraction

3.21(80),
3.09(100),
2.33(30),
2.21(50),
2.15(30),
1.82(30),
1.61(20),
1.55(20)
XRD chart Volynskite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5

VHN (Hardness Vickers)

54 (25g)

Density (g/cm³)

8.01

7.943 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Armenien/Gegharkunik, Provinz/Vardenis/Zod (Sotk)

Preface

Author (Name, Year)

Bezsmertnaya & Soboleva, 1965

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 561

Other languages

German

Volynskit

Spanish

Volynskita

English

Volynskite

French

Volynskite

Russian

Волынскит

Simplified Chinese

碲铋银矿

Alternative Name

Simplified Chinese

铋碲银矿

CNMNC symbol

Symbol

Vol

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 9x3bIebEiESTcIWJbSrgaQ
GUID (Global unique identifier) 21DB1DF7-C4E6-4488-9370-85896D2AE069
Database ID 4085