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Makovickyite (Makovickyit)

Collectors Summary

Color grau
Hardness (Mohs) 4.00 - 4.50
Cleavages keine
Fracture nicht genannt
Crystal System monoklin, C2/m

Chemism

Chemical formula

(Ag,Cu)1.5(Bi,Pb)5.5S9

Chemical composition

Bismut, Blei, Kupfer, Silber, Schwefel

Unit weight: 1580.72893575 u; Number of atoms in the formula: 16

Info

Empirical formula:

(Ag0.75Cu0.25)1.5(Bi0.75Pb0.25)5.5S9

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

18.26

9

56.25

32.0655000

288.5895000
Copper

Cu

1.51

0.38

2.34

63.5463000

23.8298625
Silver

Ag

7.68

1.13

7.03

107.8682200

121.3517475
Lead

Pb

18.02

1.38

8.59

207.2100000

284.9137500
Bismuth

Bi

54.53

4.13

25.78

208.9803820

862.0440758

Analysis wt%

Ø Cu : 4.36, Ag : 5.01, Pb : 6.56, Bi : 66.08, S : 17.83 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 94A)

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.09-060

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.380

2: SULFIDES
H: PbS Archetype
A: With Cu,Ag,Pb
3: Junoite-Proudite Series

Dana 8th edition

03.08.10.02

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

grau

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

13.48

Cell parameters b (Å)

4.04

Cell parameters c (Å)

14.80

Cell parameters a/b or c/a

3.337

Cell parameters c/b

3.663

Cell parameters α

90°

Cell parameters β

99.30

Cell parameters γ

90°

Z

2

Volumne (ų)

795.402

X-Ray Powder Diffraction

3.63(50),
3.485(50),
3.424(10),
2.968(30),
2.850(100),
2.272(40),
2.117(30),
2.010(30)
XRD chart Makovickyite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.00 - 4.50

VHN (Hardness Vickers)

215 (75g)

Density (g/cm³)

6.68 (berechnet)

6.6 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

nicht genannt

(Co-)Type locality

(Co-)Type locality

Rumänien/Bihor, Kreis/Nucet/Baita Bergbau-Distrikt (Rézbánya, Băița-Bihor)

Preface

Author (Name, Year)

Zák & Fryda & Mumme & Paar, 1994

References

Neues Jahrbuch für Mineralogie, Abhandlungen 168 (1994), 147

IMA group assignments

Other languages

German

Makovickyit

English

Makovickyite

French

Makovickyite

Spanish

Makovickyíta

Russian

Маковицкит

Simplified Chinese

单斜硫铋银矿

Traditional Chinese

單斜硫鉍銀礦

CNMNC (IMA)-Number

IMA 1986-027

CNMNC symbol

Symbol

Mvk

Locations with GPS information