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Khatyrkite (Khatyrkit)

Collectors Summary

Color graulich-gelb
Lustre Metallglanz
Hardness (Mohs) 5
Solubility +++ Säuren
Crystal System tetragonal, I4/mcm

Chemism

Chemical formula

(Cu,Zn)Al2

Chemical composition

Aluminium, Kupfer, Zink

Unit weight: 117.9751514 u; Number of atoms in the formula: 3

Info

Empirical formula:

(Cu0.75Zn0.25)Al2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Aluminium

Al

45.74

2

66.67

26.9815382

53.9630764
Copper

Cu

40.40

0.75

25.00

63.5463000

47.6597250
Zinc

Zn

13.86

0.25

8.33

65.4094000

16.3523500

Strunz 9th edition incl. updates

1.AA.15

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
A: Kupfer-Cupalit-Familie
15:Khatyrkit-Gruppe

Lapis Classification

I/A.03-020

I: ELEMENTE
A: Metalle und intermetallische Verbindungen

Classification by Hölzel

1.AB.120

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
B: Al-CuAl-Group

Hey's Chemical Index of Minerals

01.22

01: Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Dana 8th edition

01.01.15.02

01: Native Elements and Alloys
01: Native Elements with metallic elements other than the platinum group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

graulich-gelb

Lustre

Metallglanz

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

140

Space Group

I4/mcm

Cell parameters a (Å)

6.07

Cell parameters b (Å)

-

Cell parameters c (Å)

4.89

Cell parameters a/b or c/a

0.806

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

180.172

X-Ray Powder Diffraction

4.27(100),
3.04(50),
2.372(70),
2.156(20),
2.119(80),
1.920(70),
1.894(40),
1.358(20)
XRD chart Khatyrkite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5

VHN (Hardness Vickers)

540 (50g)

Density (g/cm³)

4.42 (berechnet)

4.349 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Russland/Ferner Osten, Föderationskreis/Autonomer Kreis der Tschuktschen (Tschukotka; Chukotskii)/Khatyrka Meteorit

Type material

Russland: MM-St.Petersburg - Type: T: 1687/1

Preface

Occurrences

In alluvialen Lagerstätten von ultrabasischen Gesteinen

Author (Name, Year)

Razin & Rudashevsky & Vyal'sov, 1985

References

Razin LV, Rudashevskij NS, Vyaslov LN: ZVMO,(1985) 114, 90-100

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 114 (1985), 90

American Mineralogist (1986): 71: 1278.

Strunz Mineralogical Tables 9. Edition (2001).

Other languages

German

Khatyrkit

Spanish

Khatyrkita

French

Khatyrkite

English

Khatyrkite

Russian

Хатыркит

Traditional Chinese

鋁鋅銅礦

Simplified Chinese

铝锌铜矿

CNMNC (IMA)-Number

IMA 1983-085

CNMNC symbol

Symbol

Ktk

Locations with GPS information