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Cadmoindite (Cadmoindit)

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Cadmoindit
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Cadmoindit
okatedrischer Cadmoindit auf tafligem Wurtzit, Kudriavy, Iturup, Kurilen, Russland; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Ferner Osten, Föderationskreis/Sachalin, Oblast/Kurilen/Iturup/Kudriavy-Vulkan
Mineral: Cadmoindite
Image: 1580648976
License: Usage for Mineralienatlas project only
Cadmoindit

okatedrischer Cadmoindit auf tafligem Wurtzit, Kudriavy, Iturup, Kurilen, Russland; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-02
Locality: Kudriavy-Vulkan / Iturup / Kurilen / Sachalin, Oblast / Ferner Osten, Föderationskreis / Russland

Collectors Summary

Color schwarz
Lustre Diamantglanz
Hardness (Mohs) 4
Fracture muschelig
Crystal System kubisch, Fd3m

Chemism

Chemical formula

CdIn2S4

Additional chem. information

Linneit Gruppe

Chemical composition

Cadmium, Indium, Schwefel

Unit weight: 470.3104 u; Number of atoms in the formula: 7

Info

Empirical formula:

CdIn2S4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

27.27

4

57.14

32.0655000

128.2620000
Cadmium

Cd

23.90

1

14.29

112.4118000

112.4118000
Indium

In

48.83

2

28.57

114.8183000

229.6366000

Analysis wt%

Cd : 19.88, In : 49.51, Fe : 1.71, Zn : 0.77, S : 27.53 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2004)

Strunz 9th edition incl. updates

2.DA.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
D: Metallsulfide mit M:S = 3:4 und 2:3
A: M:S = 3:4
05:Thiospinel/Linneit-Gruppe

Lapis Classification

II/D.01-095

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
D: Sulfide mit Metall : S,Se,Te < 1:1
1: Linneit-Gruppe

Classification by Hölzel

2.DA.260

2: SULFIDES
D: With Me/S <1/1 and >1/2
A: Me/S=3/4 Thiospinels, etc
2: Carrollite-Group

Dana 8th edition

02.10.01.19

02: Sulfide Minerals
10: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=3:4
01: Linnaeite Group (Isometric: Fd3m)

IMA status

anerkannt 2003

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Spinel supergroup  ⇒ Thiospinel Group  ⇒ Linnaeite subgroup

Optical Properties

Color

schwarz

Change in color

in reflektiertem Licht: grau, isotropisch, braun-rote interne Reflektionen

Diaphaneity (Transparency)

durchscheinend

Lustre

Diamantglanz

Reflectivity: (Lambda nm) ↓, ↑, Ø

(470) 23.9, -, 23.9
(546) 21.6, -, 21.6
(589) 20.8, -, 20.8
(650) 20.2, -, 20.2
Reflection chart Cadmoindite

Reflectivity Ø

21.63

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

10.81

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

8

Volumne (ų)

1263.214

X-Ray Powder Diffraction

3.87(4), 3.27(10), 2.70(6), 2.07(8), 1.91(9), 1.41(6), 1.246(7), 1.107(9), 1.045(8)
XRD chart Cadmoindite

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)

4

VHN (Hardness Vickers)

206 (20g)

Density (g/cm³)

4.86 (berechnet)

4.946 ( ρ calc. Mineralienatlas )

Fracture

muschelig

(Co-)Type locality

(Co-)Type locality

Russland/Ferner Osten, Föderationskreis/Sachalin, Oblast/Kurilen/Iturup/Kudriavy-Vulkan

Preface

Author (Name, Year)

Chaplygin & Mozgova & Bryzgalov & Mokhov, 2004

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 133 (2004) (4), 21

IMA group assignments

Other languages

German

Cadmoindit

Spanish

Cadmoindita

English

Cadmoindite

French

Cadmoindite

Russian

Кадмоиндит

Traditional Chinese

硫鎘銦礦

Simplified Chinese

硫镉铟矿

Japanese

ｶﾄﾞﾓｲﾝﾀﾞｲﾄ

CNMNC (IMA)-Number

IMA 2003-042

CNMNC symbol

Symbol

Cad

Locations with GPS information