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Cobaltite

Pictures (43 Images total)

Cobaltit
Views (File:
1237738905
): 10014, Rating: 9
Cobaltit
Bildbreite: 10 mm; Fundort: Hakansboda, Lindesberg, Västmanland, Schweden
Copyright: Dominik Schläfli; Contribution: slugslayer
Location: Schweden/Örebro, Provinz/Lindesberg/Håkansboda
Mineral: Cobaltite
Image: 1237738905
Rating: 9 (votes: 5)
License: Usage for Mineralienatlas project only
Cobaltit

Bildbreite: 10 mm; Fundort: Hakansboda, Lindesberg, Västmanland, Schweden
Copyright: Dominik Schläfli
Contribution: slugslayer 2009-03-22
Locality: Håkansboda / Lindesberg / Örebro, Provinz / Schweden
Cobaltit
Views (File:
1519251202
): 2935
Cobaltit
Bildbreite ca. 6 mm; Kanada/British Columbia/Okanagan Districts/Osoyoos Mining Division/Hedley/Oregon Mine
Copyright: Stefan; Contribution: Stefan
Location: Kanada/British Columbia/Osoyoos Mining Division/Hedley/French (Oregon) Mine
Mineral: Cobaltite
Image: 1519251202
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Cobaltit

Bildbreite ca. 6 mm; Kanada/British Columbia/Okanagan Districts/Osoyoos Mining Division/Hedley/Oregon Mine
Copyright: Stefan
Contribution: Stefan 2018-02-21
Locality: French (Oregon) Mine / Hedley / Osoyoos Mining Division / British Columbia / Kanada
Cobaltite
Views (File:
1550646892
): 2231
Cobaltite
Perfect quality, Cobaltite, from Håkansboda, Lindesberg, Örebro, Sweden; Dimensions: 67 mm x 54 mm x 42 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Schweden/Örebro, Provinz/Lindesberg/Håkansboda
Mineral: Cobaltite
Image: 1550646892
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Cobaltite

Perfect quality, Cobaltite, from Håkansboda, Lindesberg, Örebro, Sweden; Dimensions: 67 mm x 54 mm x 42 mm
Copyright: pegmatite
Contribution: pegmatite 2019-02-20
Locality: Håkansboda / Lindesberg / Örebro, Provinz / Schweden
Cobaltit
Views (File:
1261753651
): 6282, Rating: 8.4
Cobaltit
FO: Tunaberg, Nyköping, Provinz Södermanland, Schweden; X-Größe: 4,5 mm
Copyright: rtbstone; Contribution: rtbstone
Collection: rtbstone
Location: Schweden/Södermanland, Provinz/Nyköping/Tunaberg
Mineral: Cobaltite
Image: 1261753651
Rating: 8.4 (votes: 5)
License: Usage for Mineralienatlas project only
Cobaltit

FO: Tunaberg, Nyköping, Provinz Södermanland, Schweden; X-Größe: 4,5 mm
Collection: rtbstone
Copyright: rtbstone
Contribution: rtbstone 2009-12-25
Locality: Tunaberg / Nyköping / Södermanland, Provinz / Schweden
Cobaltit
Views (File:
1349617451
): 6460
Cobaltit
Größe: 50x34x26 mm; Fundort: Pelle Mine, Riddarhyttan, Skinnskateberg, Västmanland, Schweden
Copyright: Watzl Minerals; Contribution: slugslayer
Location: Schweden/Västmanlands, Provinz/Skinnskatteberg/Riddarhyttan/Pelle Mine
Mineral: Cobaltite
Encyclopedia: Pentagondodekaeder
Image: 1349617451
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Cobaltit

Größe: 50x34x26 mm; Fundort: Pelle Mine, Riddarhyttan, Skinnskateberg, Västmanland, Schweden
Copyright: Watzl Minerals
Contribution: slugslayer 2012-10-07
Locality: Pelle Mine / Riddarhyttan / Skinnskatteberg / Västmanlands, Provinz / Schweden
Cobaltit
Views (File:
1349617530
): 3413
Cobaltit
Größe: 8 mm; Fundort: Pelle Mine, Riddarhyttan, Skinnskateberg, Västmanland, Schweden
Copyright: Peter Haas; Contribution: slugslayer
Collection: Peter Haas
Location: Schweden/Västmanlands, Provinz/Skinnskatteberg/Riddarhyttan/Pelle Mine
Mineral: Cobaltite
Encyclopedia: Pentagondodekaeder
Image: 1349617530
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Cobaltit

Größe: 8 mm; Fundort: Pelle Mine, Riddarhyttan, Skinnskateberg, Västmanland, Schweden
Collection: Peter Haas
Copyright: Peter Haas
Contribution: slugslayer 2012-10-07
Locality: Pelle Mine / Riddarhyttan / Skinnskatteberg / Västmanlands, Provinz / Schweden

You find additional Cobaltite specimen at the Geolitho Museum

Collectors Summary

Color rötlich-silberweiß, rötlichgrau anlaufend
Streak color grauschwarz
Lustre Metallglanz
Hardness (Mohs) 5.5
Cleavages vollkommen {001}
Fracture uneben
Solubility ++ warme HNO3, +- andere Säuren
Crystal System orthorhombisch, Pc21b
Morphology gut ausgebildete Kristalle mit {210}, oft komibiniert mit Oktaeder und Würfel (Würfelflächen gestreift); meist körnig/derb

Chemism

Chemical formula

CoAsS

Chemical composition

Arsen, Kobalt, Schwefel

Unit weight: 165.9203029 u; Number of atoms in the formula: 3

Info

Empirical formula:

CoAsS

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

19.33

1

33.33

32.0655000

32.0655000
Cobalt

Co

35.52

1

33.33

58.9332009

58.9332009
Arsenic

As

45.16

1

33.33

74.9216020

74.9216020

Analysis wt%

Fe : 4.11, Co : 28.64, Ni : 3.06, As : 44.77, S : 19.34 (Ref: Dana, 7th ed. 1)

Strunz 9th edition incl. updates

2.EB.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
B: M:S = 1:2, mit Fe, Co, Ni, PGE, usw.
10:Markasit-Gruppe

Lapis Classification

II/D.18-010

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

Classification by Hölzel

2.EB.400

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
B: With Fe,Co,Ni,PGE Pyrite, Marcasite Family
4: Gersdorffite Ullmannite Cobaltite-Group

Hey's Chemical Index of Minerals

03.10.13

03: Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
10: Sulphides etc. of Co

Dana 8th edition

02.12.03.01

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2
03: Cobaltite Group (Cubic or pseudocubic crystals)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Cobaltite group

Optical Properties

Color

rötlich-silberweiß, rötlichgrau anlaufend

Streak color

grauschwarz

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Pleochroism

sehr schwach

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 48.20, , 48.20
(420) 48.00, , 48.00
(440) 47.70, , 47.70
(460) 47.80, , 47.80
(480) 48.20, , 48.20
(500) 48.90, , 48.90
(520) 49.60, , 49.60
(540) 50.40, , 50.40
(560) 51.20, , 51.20
(580) 51.90, , 51.90
(600) 52.60, , 52.60
(620) 53.10, , 53.10
(640) 53.50, , 53.50
(660) 53.70, , 53.70
(680) 53.80, , 53.80
(700) 53.80, , 53.80
Reflection chart Cobaltite

Reflectivity Ø

50.78

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

29

Space Group

Pc21b

Cell parameters a (Å)

5.592

Cell parameters b (Å)

5.587

Cell parameters c (Å)

5.567

Cell parameters a/b or c/a

1.001

Cell parameters c/b

0.996

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

173.927

X-Ray Powder Diffraction

2.79(80),
2.49(100),
2.27(90),
1.974(60),
1.680(100),
1.492(80),
1.218(50),
1.074(80)
XRD chart Cobaltite

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

Morphology

gut ausgebildete Kristalle mit {210}, oft komibiniert mit Oktaeder und Würfel (Würfelflächen gestreift); meist körnig/derb

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

1210 (200g)

Density (g/cm³)

6.33 (gemessen) 6.328 (berechnet)

6.336 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Fracture

uneben

Tenacity

spröde

Instability

++ warme HNO3, +- andere Säuren

Preface

Occurrences

hydrothermal, metasomatische Skarnerze

Name from

nach dem deutschen Kobold (Untergrundgeist)

Relevance, Usage

wichtiges Co-Erzmineral

References

American Mineralogist 50 (1965), 1002.

Handbook of Mineralogy (Anthony u.w.), 1 (1990), 103.

Fleet, M.E. and Burns, P.C. (1990) Structure and twinning of cobaltite. Canadian Mineralogist 28, 719-723.

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 129 (2000) (5), 43.

Canadian Mineralogist 39 (2001), 831.

Mineralogical Magazine 66 (2002), 385.

Canadian Mineralogist 42 (2004), 43,63,1221.

Okrusch,M.,Matthes,S., 2005; Mineralogie - Eine Einführung in die spezielle Mineralogie, Petrologie und Lagerstättenkunde; S.40; ISBN:3540238123

IMA group assignments

Other languages

Spanish

Cobaltina

German

Cobaltit

English

Cobaltite

French

Cobaltite

Czech

Kobaltin

Basque

Kobaltita

Lithuanian

Kobaltitas

Polish

Kobaltyn

Finnish

Kobolttihohde

Russian

Кобальтин

Ukrainian

Кобальтит

Japanese

輝ｺﾊﾞﾙﾄ鉱（総称）

Simplified Chinese

辉钴矿

Alternative Name

Bright white cobalt

Cobalt glance

German

Cobaltin

Cobaltine

Cobaltita

Glanzkobalt

Glanzkobaltkies

Glanzkobold

Kobaltglanz

Kobaltit

Swedish

Koboltglans

Simplified Chinese

辉砷钴矿

CNMNC symbol

Symbol

Cbt

Locations with GPS information