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Skutterudite (Skutterudit)

Pictures (96 Images total)

Skutterudit
Views (Image: 1179827648): 4901
Skutterudit

Fundort: Bou Azzer, Marokko; Bildausschnitt etwa: 25 x 15 mm

Collection: rtbstone
Copyright: rtbstone
Contribution: rtbstone 2007-05-22
Skutterudit
Views (Image: 1325274487): 2539
Skutterudit

Deutschland/Thüringen/Wartburgkreis/Schweina/Glücksbrunn/ Maschinenschacht; Bildbreite 5 cm

Collection: Mangan-TIM
Copyright: Mangan-TIM
Contribution: Mangan-TIM 2011-12-30
Wismut auf Skutterudit Schacht 38 Schlema
Views (Image: 1425963463): 3378
Wismut auf Skutterudit Schacht 38 Schlema

Wismutgarben auf Skutterudit (12 cm) vom Schacht 38 in Schlema (nicht Schneeberg!), Sachsen, im Angebot auf der TGMS Main Show, Tucson 2015 (Preisschild verpixelt)

Collection: Mike Bergmann Minerals
Copyright: Manganit
Contribution: Manganit 2015-03-10
Skutterudit
Views (Image: 1239534943): 4238
Skutterudit

Bildbreite: 6,5 mm; Fundort: Bou Azzer, Anti Atlas, Marokko

Copyright: Dominik Schläfli
Contribution: slugslayer 2009-04-12
Skutterudit psm. nach Silber
Views (Image: 1360218756): 1857
Skutterudit psm. nach Silber

Skutterudit pseudomorph nach Silber u. Fluorit (geätzt) ,; Größe: 65 x 40mm , Deutschland/Sachsen/Chemnitz, Direktionsbezirk/Erzgebirgskreis/Schlema-Alberoda-Hartenstein/Schacht 309

Collection: alihofi
Copyright: alihofi
Contribution: alihofi 2013-02-07
Skutterudit
Views (Image: 1327847457): 2065
Skutterudit

Deutschland/Thüringen/Wartburgkreis/Schweina/Glücksbrunn/Grube Maschinenschacht; Bildbreite 3 cm

Collection: Mangan-TIM
Copyright: Mangan-TIM
Contribution: Mangan-TIM 2012-01-29

Collectors Summary

Color zinnweiß bis stahlgrau, Anlauffarben
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 6.25
Solubility +++ HNO3, + HCl, H2SO4
Crystal System kubisch, Im3
Morphology Würfel, Oktaeder, seltener Rhombendodekaeder, Pentagondodekaeder; meist derb/körnig

Chemism

Chemical formula

CoAs3

Chemical composition

Arsen, Kobalt

Unit weight: 283.6980069 u; Number of atoms in the formula: 4

Info

Empirical formula:

CoAs3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Cobalt

Co

20.77

1

25.00

58.9332009

58.9332009

Arsenic

As

79.23

3

75.00

74.9216020

224.7648060

Analysis wt%

Co : 20.18, Fe : 1.84, As : 76.38, S : 1.50 (Ref: American Mineralogist 21)

Strunz 9th edition incl. updates

2.EC.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
C: M:S = 1:>2
05:Skutterudit-Gruppe

Lapis Classification

II/D.29-010

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

Classification by Hölzel

2.EC.100

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
C: Me/S=1/3 With Co,Ni
1: Skutterudite-Group

Dana 8th edition

02.12.17.01

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2
17: Skutterudite Series

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Perovskite supergroup  ⇒ Non-stoichiometric perovskites  ⇒ Skutterudite subgroup

Optical Properties

Color

zinnweiß bis stahlgrau, Anlauffarben

Streak color

schwarz

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

kubisch

Class (H-M)

m3

Space Group number

204

Space Group

Im3

Cell parameters a (Å)

8.204

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)

552.175

X-Ray Powder Diffraction

5.8(20),
3.35(20),
2.592(100),
2.193(30),
1.835(30),
1.609(30),
1.407(20),
0.954(20)

XRD chart Skutterudite

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

Morphology

Würfel, Oktaeder, seltener Rhombendodekaeder, Pentagondodekaeder; meist derb/körnig

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6.25

VHN (Hardness Vickers)

863 (100g)

Density (g/cm³)

6.4 - 6.9 / Durchschnittlich = 6.5

6.825 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3, + HCl, H2SO4

(Co-)Type locality

(Co-)Type locality

Norwegen/Buskerud, Provinz/Modum/Vikersund/Skutterud

Occurrences

hydrothermal

Author (Name, Year)

Haidinger, 1845

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 480
Okrusch,M.,Matthes,S., 2005; Mineralogie - Eine Einführung in die spezielle Mineralogie, Petrologie und Lagerstättenkunde; S.41; ISBN:3540238123

Schumer, B.N., Andrade, M.B., Evans, S.H., Downs, R.T.: A new formula and crystal structure for nickelskutterudite, (Ni,Co,Fe)As3, and occupancy of the icosahedral cation site in the skutterudite group. American Mineralogist Vol. 102 No. 1 (2017) S. 205-209. [neue Formel]

IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 35 - Mineralogical Magazine, February 2017, Vol. 81(1), pp. 209–213 [Formel]

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Ferroskutterudite

FeAs3

kubisch : m3 : Im3

2.EC.05

Kieftite

CoSb3

kubisch : m3 : Im3

2.EC.05

Nickelskutterudite

(Ni,Co,Fe)As3

kubisch : m3 : Im3

2.EC.05

Skutterudite

CoAs3

kubisch : m3 : Im3

2.EC.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Ferroskutterudite

FeAs3

kubisch : m3 : Im3

II/D.29-005

Skutterudite

CoAs3

kubisch : m3 : Im3

II/D.29-010

Nickelskutterudite

(Ni,Co,Fe)As3

kubisch : m3 : Im3

II/D.29-020

Kieftite

CoSb3

kubisch : m3 : Im3

II/D.29-025

'Iridisite'

(Ir,Cu,Rh)S2

kubisch : m3 : Pa3

II/D.29-030

Gaotaiite

Ir3Te8

kubisch : m3 : Pa3

II/D.29-040

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Skutterudite

CoAs3

kubisch : m3 : Im3

2.EC.100

Kieftite

CoSb3

kubisch : m3 : Im3

2.EC.110

Nickelskutterudite

(Ni,Co,Fe)As3

kubisch : m3 : Im3

2.EC.120

Ferroskutterudite

FeAs3

kubisch : m3 : Im3

2.EC.130

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Krennerite

Au3AgTe8

orthorhombisch : mm2 : Pma2

02.12.13.01

Calaverite

AuTe2

monoklin : 2/m : C2/m

02.12.13.02

Sylvanite

AgAuTe4

monoklin : 2/m : P2/c

02.12.13.03

Kostovite

CuAuTe4

orthorhombisch : mm2 : Pma2

02.12.13.04

Melonite

NiTe2

trigonal : 3m : P3m1

02.12.14.01

Kitkaite

NiTeSe

trigonal : 3m : P3m1

02.12.14.02

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal : 3m : P3m1

02.12.14.03

Merenskyite

PdTe2

trigonal : 3m : P3m1

02.12.14.04

Shuangfengite

IrTe2

trigonal : 3m : P3m1

02.12.14.06

Sudovikovite

PtSe2

trigonal : 3m : P3m1

02.12.14.07

Froodite

PdBi2

monoklin : 2/m : C2/m

02.12.15.01

Urvantsevite

Pd(Bi,Pb)2

tetragonal : 4/mmm : I4/mmm

02.12.15.02

Verbeekite

PdSe2

monoklin, monoklin, monoklin : 2/m, 2, m : C2/m, C2, Cm

02.12.15.03

Borishanskiite

Pd(As,Pb)2

orthorhombisch : mm2 : Ccm21

02.12.16.01

Skutterudite

CoAs3

kubisch : m3 : Im3

02.12.17.01

Nickelskutterudite

(Ni,Co,Fe)As3

kubisch : m3 : Im3

02.12.17.02

Kieftite

CoSb3

kubisch : m3 : Im3

02.12.17.03

Rheniite

ReS2

triklin : 1 : P1

02.12.18.01

Varieties

Smaltite

arsenarmer Skutterudit

Other languages

Dutch

Skutterudiet

German

Skutterudit

Spanish

Skutterudita

French

Skutterudite

English

Skutterudite

Polish

Skutterudyt

Russian

Скуттерудит

Traditional Chinese

方砷鈷礦

Simplified Chinese

方砷钴矿

Alternative Name

German

Arsenikkobaltkies

German

Fabrikenkobold

German

Hartkobalterz

German

Hartkobaltkies

German

Kobalterz

Modumite

German

Speiskobalt

Tesseral-Kies

German

Tesseralkies

Simplified Chinese

方钴矿

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Skutterudit
Google-Bilder-Suche - search for: Skutterudit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Skutterudit

English pages

Mindat - search for: Skutterudite
Webmineral - search for: Skutterudite
Handbook-of-Mineralogy - search for: Skutterudite
RRUFF Database-of-Raman-spectroscopy - search for: Skutterudite
American-Mineralogist-Crystal-Structure-Database - search for: Skutterudite
Athena - search for: Skutterudite

Russian pages

Webmineral.ru - search for: Скуттерудит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Skutterudit
Crystal-Treasure.com - search for: Skutterudit
Bosse - search for: Skutterudit



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