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Hakite-(Hg)

Pictures (1 Images total)

Hakit neben Clausthalit
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Hakit neben Clausthalit
erzmikroskopische Aufnahme von Hakit neben hellgrauem Clausthalit und dunkler grauen, unbekannten Phase (möglicherweise Tiemannit), Předbořice, Kutná Hora, Tschechische Republik; BB < 1 mm, analysiert mittels REM-EDX
Copyright: Joy Desor; Contribution: openpit
Location: Tschechien/Südböhmische Region (Jihočeský kraj)/Pisek (Okres Písek)/Kowarschow (Kovářov)/Předbořice/Uranlagerstätte Předbořice
Mineral: Hakite-(Hg)
Image: 1586623359
License: Usage for Mineralienatlas project only
Hakit neben Clausthalit  E
Analysed with energy dispersive X-ray spectroscopy EDX

erzmikroskopische Aufnahme von Hakit neben hellgrauem Clausthalit und dunkler grauen, unbekannten Phase (möglicherweise Tiemannit), Předbořice, Kutná Hora, Tschechische Republik; BB < 1 mm, analysi...

Copyright: Joy Desor
Contribution: openpit 2020-04-11
Locality: Uranlagerstätte Předbořice / Předbořice / Kowarschow (Kovářov) / Pisek (Okres Písek) / Südböhmische Region (Jihočeský kraj) / Tschechien

Collectors Summary

Color cremeweiß zu clear braun
Streak color weiß
Hardness (Mohs) 4.75
Solubility
Crystal System kubisch, I43m

Additional information / Summary

Während der studien wurden 3 chemische Typen von Hakite entdeckt: Hg-reicher Hakit (Hakit im engeren Sinn), Zn-reicher Hakit und Cd-reicher Hakit. Hg-Hakit dominiert über die anderen Proben.

Chemism

Chemical formula

Cu6(Cu4Hg2)Sb4Se13

Empirical formula (analysis)

(Cu5.61Ag0.39)Σ6.00 Cu4.00(Hg1.61Zn0.20Cu0.19Cd0.15Fe0.04)Σ2.19 (Sb3.85As0.28)Σ4.13 (Se11.55S1.14)Σ12.69

Additional chem. information

Hg-reicher Hakit: (Cu5.61Ag0.39)Σ6.00 Cu4.00(Hg1.61Zn0.20Cu0.19Cd0.15Fe0.04)Σ2.19 (Sb3.85As0.28)Σ4.13 (Se11.55S1.14)Σ12.69

Zn-reicher Hakit: (Cu5.80Ag0.20)Σ6.00 Cu4.00(Zn1.33Hg0.42Cd0.22Cu0.18Fe0.01)Σ2.16 (Sb3.85As0.26)Σ4.11 (Se10.92S1.81)Σ12.73

Cd-reicher Hakit: (Cu5.84Ag0.16)Σ6.00 Cu4.00(Cd1.27Zn0.60Cu0.10Hg0.07Fe0.02)Σ2.06 (Sb4.00As0.19)Σ4.19 (Se12.14S0.61)Σ12.75

Mögliche Beimengungen werden in George 2017 beschrieben, siehe auch Tetraedrit-Gruppe.

Chemical composition

Antimon, Kupfer, Quecksilber, Selen

Unit weight: 2458.28467736 u; Number of atoms in the formula: 29.01

Info

Empirical formula:

(Cu5.61Ag0.39)Cu4.00(Hg1.61Zn0.20Cu0.19Cd0.15Fe0.04)(Sb3.85As0.28)(Se11.55S1.14)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

1.49

1.14

3.93

32.0655000

36.5546700

Iron

Fe

0.09

0.04

0.14

55.8452000

2.2338080

Copper

Cu

25.33

9.8

33.78

63.5463000

622.7537400

Zinc

Zn

0.53

0.2

0.69

65.4094000

13.0818800

Arsenic

As

0.85

0.28

0.97

74.9216020

20.9780486

Selenium

Se

37.10

11.55

39.81

78.9630000

912.0226500

Silver

Ag

1.71

0.39

1.34

107.8682200

42.0686058

Cadmium

Cd

0.69

0.15

0.52

112.4118000

16.8617700

Antimony

Sb

19.07

3.85

13.27

121.7601000

468.7763850

Mercury

Hg

13.14

1.61

5.55

200.5920000

322.9531200

Analysis wt%

Ø Cu : 26.60, Hg : 14.80, Sb : 17.30, As : 2.00, Se : 36.20, S : 1.80 (Ref: Bulletin de Mineralogie 71)

Strunz 9th edition incl. updates

2.GB.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
G: Sulfoarsenide, Sulfoantimonide, Sulfobismuthide
B: Insel(Neso)-Sulfarsenide, usw., mit zusätzlichen Schwefel (S)
05:Tennantit-Gruppe

Lapis Classification

II/C.11-070

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

Classification by Hölzel

2.FB.140

2: SULFIDES
F: Sulfarsenites, Sulfantimonites, Sulfbismuthinites Trigonal Pyramids ~[AsS3]3-, ~[SbS3]3-, ~[BiS3]3-
B: Neso Sulfarsenites with additional S
1: Tennantite-Group

Dana 8th edition

03.03.06.04

03: Sulfides - Sulfosalts
03: Sulfides - Sulfosalts where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
06: Tetrahedrite Group (Isometric: I-43m)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Tetrahedrite Group  ⇒ Hakite series

Optical Properties

Color

cremeweiß zu clear braun

Streak color

weiß

Diaphaneity (Transparency)

opak

Crystallography

Crystal System

kubisch

Class (H-M)

43m

Space Group number

217

Space Group

I43m

Cell parameters a (Å)

10.88

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

1287.913

Crystal structure

isostrukturell mit Tetrahedrite

X-Ray Powder Diffraction

3.140(100),
2.910(70),
2.568(60),
2.133(50),
1.985(70),
1.925(90),
1.764(60),
1.639(80)

XRD chart Hakite-(Hg)

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

Physical Properties

Hardness (Mohs)

4.75

VHN (Hardness Vickers)

329 (30g)

Density (g/cm³)

6.3

6.339 ( ρ calc. Mineralienatlas )

Instability

Preface

Author (Name, Year)

Johan & Kvacek, 1971

References

Bulletin de la Société Française Minéralogie et de Cristallographie 94 (1971), 45

Neue Formel nach Y. Moelo et al., Eur.J.Mineral. 20 (2008) S.7-46. Zit. in Lapis 4/2008, S.38.

Škácha, P.; Sejkora, J.; Palatinus, L.; Makovicky, E.; Plášil, J.; Macek, I.; Goliáš, V.: Hakite from Příbram, Czech Republic: Compositional variability, crystal structure and the role within the Se mineralization. Mineralogical Magazine Jhrg. 80, Nr. 6 (2016) S. 1115-1128. [PREPUBLICATION 16. Feb. 2016]

Moëlo, Y.; Makovicky, E.; Mozgova, N.N.; Jambor, J.L.; Cook, N.J.; Pring, A.; Paar,W.; Nickel, E.H.; Graeser, G.; Karup-Møller, S.; et al. Sulfosalt systematics: A review. Report of the sulfosalt sub-committee of the IMA commission on ore mineralogy. Eur. J. Mineral. 2008, 20, 7–46.

George, L. L., Cook, N. J., & Ciobanu, C. L. (2017). Minor and trace elements in natural tetrahedrite-tennantite: Effects on element partitioning among base metal sulphides. Minerals, 7(2), 17. doi:10.3390/min7020017

IMA group assignments

Other languages

German

Hakit-(Hg)

Spanish

Hakita-(Hg)

French

Hakite-(Hg)

English

Hakite-(Hg)

Russian

Хакит

Traditional Chinese

硒黝銅礦

Simplified Chinese

硒黝铜矿

CNMNC (IMA)-Number

IMA 1970-019

CNMNC symbol

Symbol

Hak-Hg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) rWUVBptbpkGllHZU_OU0JQ
GUID (Global unique identifier) 061565AD-5B9B-41A6-A594-7654FCE53425
Database ID 1502