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Criddleite (Criddleit)

Collectors Summary

Color grau-met.
Streak color schwarz
Hardness (Mohs) 3.00 - 3.50
Crystal System monoklin, A2/m, A2, Am

Chemism

Chemical formula

TlAg2Au3Sb10S10

Chemical composition

Antimon, Gold, Silber, Thallium, Schwefel

Unit weight: 2549.275416 u; Number of atoms in the formula: 26

Info

Empirical formula:

TlAg2Au3Sb10S10

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

12.58

10

38.46

32.0655000

320.6550000
Silver

Ag

8.46

2

7.69

107.8682200

215.7364400
Antimony

Sb

47.76

10

38.46

121.7601000

1,217.6010000
Gold

Au

23.18

3

11.54

196.9665520

590.8996560
Thallium

Tl

8.02

1

3.85

204.3833200

204.3833200

Analysis wt%

Tl : 7.50, Ag : 8.70, Au : 23.00, Sb : 47.40, S : 13.10 (Ref: Mineralogical Magazine 88)

Strunz 9th edition incl. updates

2.LA.25

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

Lapis Classification

II/B.07-030

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
B: Sulfide, Selenide und Telluride mit Verhältnis Metall : S,Se,Te > 1:1
7: Sulfide, Selenide und Telluride mit vorwiegend Kupfer und Silber/Gold

Classification by Hölzel

2.FC.620

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

Dana 8th edition

03.09.01.01

03: Sulfides - Sulfosalts
09: Sulfides - Sulfosalts where z/y = 1 - (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

grau-met.

Streak color

schwarz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m, 2, m

Space Group number

12, 5, 8

Space Group

A2/m, A2, Am

Cell parameters a (Å)

20.015

Cell parameters b (Å)

8.075

Cell parameters c (Å)

7.831

Cell parameters a/b or c/a

2.479

Cell parameters c/b

0.970

Cell parameters α

90°

Cell parameters β

92.3

Cell parameters γ

90°

Z

2

Volumne (ų)

1264.635

X-Ray Powder Diffraction

5.63(90),
5.00(40),
3.91(50),
3.456(50),
2.860(70),
2.813(100),
2.018(60),
1.959(70)
XRD chart Criddleite

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

Physical Properties

Hardness (Mohs)

3.00 - 3.50

VHN (Hardness Vickers)

112 (25g)

Density (g/cm³)

6.57 (berechnet)

6.694 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

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

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

Preface

Author (Name, Year)

Harris & Roberts & Laflamme & Stanley, 1988

References

Mineralogical Magazine 52 (1988), 691

Other languages

German

Criddleit

English

Criddleite

French

Criddleite

Spanish

Criddleíta

Simplified Chinese

硫锑金银铊矿

CNMNC (IMA)-Number

IMA 1987-037

CNMNC symbol

Symbol

Cdd

Locations with GPS information