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Kharaelakhite

Collectors Summary

Color gräulich mit bräunlich-lilanem Farbton in reflektiertem Licht
Lustre Metallglanz
Crystal System orthorhombisch, Pmmm, Pmm2, P222

Chemism

Chemical formula

(Cu,Pt,Pb,Fe,Ni)9S8

Empirical formula (analysis)

(Cu2.64Pt2.33Pb1.57Fe1.34Ni0.96Pd0.02)S8

Chemical composition

Blei, Eisen, Kupfer, Nickel, Platin, Schwefel

Unit weight: 1337.4448092 u; Number of atoms in the formula: 16.86

Info

Empirical formula:

(Cu2.64Pt2.33Pb1.57Fe1.34Ni0.96Pd0.02)S8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

19.18

8

47.45

32.0655000

256.5240000

Iron

Fe

5.60

1.34

7.95

55.8452000

74.8325680

Nickel

Ni

4.21

0.96

5.69

58.6934200

56.3456832

Copper

Cu

12.54

2.64

15.66

63.5463000

167.7622320

Palladium

Pd

0.16

0.02

0.12

106.4210000

2.1284200

Platinum

Pt

33.99

2.33

13.82

195.0782000

454.5322060

Lead

Pb

24.32

1.57

9.31

207.2100000

325.3197000

Analysis wt%

Ø Pt : 34.40, Cu : 12.55, Pb : 24.20, Fe : 5.58, Ni : 4.15, S : 19.20, PLT : 34.59 (Ref: Mineralogicheskii Zhurnal 85)

Strunz 9th edition incl. updates

2.BB.15

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
B: Metallsulfide, M : S > 1 : 1 (hauptsächlich 2 : 1)
B: mit Nickel (Ni)
15:Pentlandit-Gruppe

Lapis Classification

II/B.17-030

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
B: Sulfide, Selenide und Telluride mit Verhältnis Metall : S,Se,Te > 1:1
17: Sulfide mit vorherrschend Nickel, Kobalt, Rhodium und Palladium

Classification by Hölzel

2.BB.380

2: SULFIDES
B: Sulfides (etc) with Me/S > 1/1 (mostly 2/1)
B: With Ni,Fe,Co,Cu
3: Pentlandite-Group

Dana 8th edition

02.07.05.01

02: Sulfide Minerals
07: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=9:8

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gräulich mit bräunlich-lilanem Farbton in reflektiertem Licht

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Pleochroism

schwacher Reflexionspleochroismus

Reflectivity: (Lambda nm) ↓, ↑, Ø

(440) 37.10, 39.60, 38.35
(460) 36.80, 40.30, 38.55
(480) 36.60, 40.90, 38.75
(500) 36.60, 41.40, 39.00
(520) 36.80, 41.80, 39.30
(540) 37.10, 42.20, 39.65
(560) 37.10, 42.20, 39.65
(580) 37.90, 42.80, 40.35
(600) 38.30, 43.00, 40.65
(620) 38.60, 43.30, 40.95
(640) 38.80, 43.70, 41.25
(660) 39.00, 44.40, 41.70
(680) 39.00, 44.40, 41.70
(700) 38.10, 44.80, 41.45

Reflection chart Kharaelakhite

Reflectivity Ø

40.09

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm, mm2, 222

Space Group number

47, 25, 16

Space Group

Pmmm, Pmm2, P222

Cell parameters a (Å)

9.713

Cell parameters b (Å)

8.333

Cell parameters c (Å)

14.520

Cell parameters a/b or c/a

1.166

Cell parameters c/b

1.742

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

1175.226

X-Ray Powder Diffraction

6.30(20),
3.13(20),
3.04(40),
2.80(100),
2.67(20),
1.854(30),
1.813(50),
1.728(30)

XRD chart Kharaelakhite

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

Physical Properties

Density (g/cm³)

7.59 (berechnet)

7.559 ( ρ calc. Mineralienatlas )

Preface

Name from

nach dem Kharaelakh Plateau, Noril’sk Region, Russland, bezieht sich auf die Typlokalität

Author (Name, Year)

Genkin & Evstigneeva & Vyal'sov & Laputina, 1985

References

Mineralogicheskiy Zhurnal 7(1985) (1), 78

Other languages

German

Kharaelakhit

Spanish

Kharaelakhita

French

Kharaelakhite

English

Kharaelakhite

Russian

Хараелахит

CNMNC (IMA)-Number

IMA 1983-080

CNMNC symbol

Symbol

Klh

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 5antfzUbGEaG89nmbhu3oA
GUID (Global unique identifier) 7FEDA9E5-1B35-4618-86F3-D9E66E1BB7A0
Database ID 1933