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Maikainite

Collectors Summary

Color gelb
Lustre Metallglanz
Hardness (Mohs) 4.5
Cleavages keine
Crystal System kubisch,

Chemism

Chemical formula

Cu10Fe3MoGe3S16

Chemical composition

Eisen, Germanium, Kupfer, Molybdän, Schwefel

Unit weight: 1629.9116 u; Number of atoms in the formula: 33

Info

Empirical formula:

Cu10Fe3MoGe3S16

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

31.48

16

48.48

32.0655000

513.0480000

Iron

Fe

10.28

3

9.09

55.8452000

167.5356000

Copper

Cu

38.99

10

30.30

63.5463000

635.4630000

Germanium

Ge

13.37

3

9.09

72.6410000

217.9230000

Molybdenum

Mo

5.89

1

3.03

95.9420000

95.9420000

Analysis wt%

Ø Cu : 41.32, Fe : 6.42, Zn : 0.53, W : 3.45, Mo : 4.26, Ge : 9.94, As : 2.92, S : 30.90 (Ref: Geol.Rudn.Mest.94)

Strunz 9th edition incl. updates

2.CB.30

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
30:Germanit-Gruppe

Lapis Classification

II/C.10-050

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

Classification by Hölzel

2.CB.560

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
5: Germanite-Colusite-Mawsonite-Group

Dana 8th edition

02.09.04.03

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
04: Germanite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelb

Change in color

hellgelb zu graugelb in reflektiertem Licht

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Anisotropism

isotropisch

Reflectivity Ø

25.13

Crystallography

Crystal System

kubisch

Cell parameters a (Å)

10.64

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)

1204.55

X-Ray Powder Diffraction

3.07(100),
2.66(20),
1.884(80),
1.603(40),
1.536(10),
1.331(10),
1.220(20),
1.190(10)

XRD chart Maikainite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

305 (30g)

Density (g/cm³)

4.54 (berechnet)

4.494 ( ρ calc. Mineralienatlas )

Cleavages

keine

Radioactivity

keine

Preface

Occurrences

Als Includien - Wird nur als Includien in anderen Mineralien gefunden.

Author (Name, Year)

Spiridonov, 2003

References

Doklady Akademiia Nauk (in Russian) 393 (2003), 809

Other languages

German

Maikainit

Spanish

Maikainita

English

Maikainite

French

Maikainite

Russian

Майкаинит

Traditional Chinese

鍺硫鉬鐵銅礦

Simplified Chinese

锗硫钼铁铜矿

CNMNC (IMA)-Number

IMA 1992-038

CNMNC symbol

Symbol

Mai

Locations with GPS information

IDs

GUSID (Global unique identifier short form) Zb2HKGv6806gZzjelELK8w
GUID (Global unique identifier) 2887BD65-FA6B-4EF3-A067-38DE9442CAF3
Database ID 2332