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Cupropavonite (Cupropavonit)

Collectors Summary

Color bleigrau-met.
Streak color bleigrau
Hardness (Mohs) 2
Solubility ++ HNO3
Crystal System monoklin, C2/m

Chemism

Chemical formula

AgPbCu2Bi5S10

Chemical composition

Bismut, Blei, Kupfer, Silber, Schwefel

Unit weight: 1807.72773 u; Number of atoms in the formula: 19

Info

Empirical formula:

AgPbCu2Bi5S10

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

17.74

10

52.63

32.0655000

320.6550000
Copper

Cu

7.03

2

10.53

63.5463000

127.0926000
Silver

Ag

5.97

1

5.26

107.8682200

107.8682200
Lead

Pb

11.46

1

5.26

207.2100000

207.2100000
Bismuth

Bi

57.80

5

26.32

208.9803820

1,044.9019100

Analysis wt%

Ø Ag : 5.80, Cu : 6.20, Pb : 13.40, Bi : 56.60, S : 17.80 (Ref: Bulletin de Mineralogie 79)

Strunz 9th edition incl. updates

2.JA.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
J: Sulfosalze mit PbS als Vorbild
A: Ketten als Flächen verbunden
05:Makovickyit-Pavonit-Serie

Lapis Classification

II/E.09-040

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)
9: Sulfosalze mit Silber vorherrschend (x=6,0 - 1,6); Pavonit-Reihe

Classification by Hölzel

2.HA.150

2: SULFIDES
H: PbS Archetype
A: With Cu,Ag,Pb
1: Pavonite Series

Dana 8th edition

03.08.10.06

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
10: Pavonite Group (Monoclinic: C/2c bismuth sulfosalts)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Pavonite Homologous Series

Optical Properties

Color

bleigrau-met.

Streak color

bleigrau

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

13.45

Cell parameters b (Å)

4.02

Cell parameters c (Å)

33.06

Cell parameters a/b or c/a

3.346

Cell parameters c/b

8.224

Cell parameters α

90°

Cell parameters β

93.50

Cell parameters γ

90°

Z

4

Volumne (ų)

1784.187

X-Ray Powder Diffraction

3.249(80),
3.130(80),
2.965(80),
2.892(100),
2.019(100),
2.007(100),
1.801(100)
XRD chart Cupropavonite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

6.73 (berechnet)

6.729 ( ρ calc. Mineralienatlas )

Instability

++ HNO3

(Co-)Type locality

(Co-)Type locality

USA/Colorado/San Juan Co./Silverton District/Poughkeepsie Gulch/Alaska Mine

Preface

Author (Name, Year)

Karup-Møller & Makovicky, 1979

References

Bulletin de Minéralogie 102 (1979), 351

IMA group assignments

Other languages

German

Cupropavonit

Spanish

Cupropavonita

English

Cupropavonite

French

Cupropavonite

CNMNC symbol

Symbol

Cpav

Locations with GPS information