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Vaughanite (Vaughanit)

Collectors Summary

Color stahlgrau-met.
Streak color schwarz
Hardness (Mohs) 3.00 - 3.50
Crystal System triklin, P1, P1

Chemism

Chemical formula

TlHgSb4S7

Chemical composition

Antimon, Quecksilber, Thallium, Schwefel

Unit weight: 1116.47422 u; Number of atoms in the formula: 13

Info

Empirical formula:

TlHgSb4S7

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

20.10

7

53.85

32.0655000

224.4585000
Antimony

Sb

43.62

4

30.77

121.7601000

487.0404000
Mercury

Hg

17.97

1

7.69

200.5920000

200.5920000
Thallium

Tl

18.31

1

7.69

204.3833200

204.3833200

Analysis wt%

Tl : 18.30, Hg : 17.50, Sb : 43.40, As : 1.10, S : 20.50 (Ref: Mineralogical Magazine 89)

Strunz 9th edition incl. updates

2.LA.20

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
L: unklassifizierte Sulfosalze
A: ohne nennenswertes Pb (Blei)
20:Vaughanit-Gruppe

Lapis Classification

II/E.13-080

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)
13: Sulfosalze mit Thallium/Quecksilber vorherrschend (x=4,0 - 1,6)

Classification by Hölzel

2.FC.600

2: SULFIDES
F: Sulfarsenites, Sulfantimonites, Sulfbismuthinites Trigonal Pyramids ~[AsS3]3-, ~[SbS3]3-, ~[BiS3]3-
C: Poly Sulfarsenites
6: Unclassified

Dana 8th edition

03.08.15.01

03: Sulfides - Sulfosalts
08: Sulfides - Sulfosalts where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

stahlgrau-met.

Streak color

schwarz

Crystallography

Crystal System

triklin

Class (H-M)

1, 1

Space Group number

1, 2

Space Group

P1, P1

Cell parameters a (Å)

9.012

Cell parameters b (Å)

13.223

Cell parameters c (Å)

5.906

Cell parameters a/b or c/a

0.682

Cell parameters c/b

0.447

Cell parameters α

93.27

Cell parameters β

95.5

Cell parameters γ

109.17

Z

2

Volumne (ų)

658.767

X-Ray Powder Diffraction

12.5(20),
8.42(20),
4.343(30),
4.204(100),
3.545(20),
3.313(60),
2.749(40),
2.315(30)
XRD chart Vaughanite

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

Physical Properties

Hardness (Mohs)

3.00 - 3.50

VHN (Hardness Vickers)

104 (25g)

Density (g/cm³)

5.56 (berechnet)

5.628 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kanada/Ontario/Thunder Bay District/Marathon/Hemlo-Gebiet/Hemlo Gold-Lagerstätte/Golden Giant Mine

Preface

Author (Name, Year)

Harris & Roberts & Criddle, 1989

References

Mineralogical Magazine 53 (1989), 79

Other languages

German

Vaughanit

Spanish

Vaughanita

English

Vaughanite

French

Vaughanite

Simplified Chinese

硫锑汞铊矿

Japanese

ﾎﾞｰｸﾞﾊﾅｲﾄ

CNMNC (IMA)-Number

IMA 1987-055

CNMNC symbol

Symbol

Vgh

Locations with GPS information