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Digenite (Digenit)

Pictures (21 Images total)

Digenit
Views (File:
1256215814
): 5718
Digenit
Größe: 4 x 3,3 x 1,2 cm,
Fundort: Butte, Silver Bow Co., Montana, USA
Copyright: Rob Lavinsky; Contribution: thdun5
Location: USA/Montana/Silver Bow Co./Butte District/Butte
Mineral: Digenite
Image: 1256215814
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
Digenit

Größe: 4 x 3,3 x 1,2 cm,
Fundort: Butte, Silver Bow Co., Montana, USA
Copyright: Rob Lavinsky
Contribution: thdun5 2009-10-22
Locality: Butte / Butte District / Silver Bow Co. / Montana / USA
Digenit und Pyrit
Views (File:
1286712682
): 4386
Digenit und Pyrit
Größe: 64x36 mm; Fundort: Leonard Mine, Butte, Butte District, Silver Bow Co., Montana, USA
Copyright: Rock Currier; Contribution: slugslayer
Location: USA/Montana/Silver Bow Co./Butte District/Butte/Leonard Mine
Mineral: Digenite, Pyrite
Image: 1286712682
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Digenit und Pyrit

Größe: 64x36 mm; Fundort: Leonard Mine, Butte, Butte District, Silver Bow Co., Montana, USA
Copyright: Rock Currier
Contribution: slugslayer 2010-10-10
Locality: Leonard Mine / Butte / Butte District / Silver Bow Co. / Montana / USA
Digenit
Views (File:
1428233063
): 2520
Digenit
derber Digenit, Größe: 2,5 x 1,7 x 1,5 cm, Fundort: Leonard Mine, Butte, Butte District, Silver Bow Co., Montana, USA
Copyright: thdun5; Contribution: thdun5
Collection: thdun5, Collection number: 02.398
Location: USA/Montana/Silver Bow Co./Butte District/Butte/Leonard Mine
Mineral: Digenite
Image: 1428233063
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Digenit (SNr: 02.398)

derber Digenit, Größe: 2,5 x 1,7 x 1,5 cm, Fundort: Leonard Mine, Butte, Butte District, Silver Bow Co., Montana, USA
Collection: thdun5
Copyright: thdun5
Contribution: thdun5 2015-04-05
Locality: Leonard Mine / Butte / Butte District / Silver Bow Co. / Montana / USA
Digenit
Views (File:
1268085533
): 3719
Digenit
Größe: 28x18 mm; Fundort: Leonard Mine, Butte, Silver Bow Co., Montana, USA
Copyright: John Sobolewski; Contribution: slugslayer
Location: USA/Montana/Silver Bow Co./Butte District/Butte/Leonard Mine
Mineral: Digenite
Image: 1268085533
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Digenit

Größe: 28x18 mm; Fundort: Leonard Mine, Butte, Silver Bow Co., Montana, USA
Copyright: John Sobolewski
Contribution: slugslayer 2010-03-08
Locality: Leonard Mine / Butte / Butte District / Silver Bow Co. / Montana / USA
Digenit, Quarz
Views (File:
1256059321
): 4008
Digenit, Quarz
Digenit mit Pyrit auf Quarz. Größe: 7,2 x 4,3 cm, Fundort: Leonard Mine, Butte, Silver Bow Co., Montana, USA.
Copyright: John Sobolewski; Contribution: thdun5
Location: USA/Montana/Silver Bow Co./Butte District/Butte/Leonard Mine
Mineral: Digenite, Quartz
Image: 1256059321
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Digenit, Quarz

Digenit mit Pyrit auf Quarz. Größe: 7,2 x 4,3 cm, Fundort: Leonard Mine, Butte, Silver Bow Co., Montana, USA.
Copyright: John Sobolewski
Contribution: thdun5 2009-10-20
Locality: Leonard Mine / Butte / Butte District / Silver Bow Co. / Montana / USA
Guillemenit auf Digenit
Views (File:
1374833644
): 987
Guillemenit auf Digenit
Guillemenit auf Digenit; Musonoi Mine, Kongo; Bildbreite: 4 cm.
Copyright: Jan Hartmann; Contribution: Alcest
Collection: Jan Hartmann
Location: Demokratische Republik Kongo/Katanga (Shaba), Provinz/Lualaba, Distrikt/Kolwezi, Revier/Kolwezi, Stadt/Musonoi
Mineral: Digenite, Guilleminite
Image: 1374833644
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Guillemenit auf Digenit

Guillemenit auf Digenit; Musonoi Mine, Kongo; Bildbreite: 4 cm.
Collection: Jan Hartmann
Copyright: Jan Hartmann
Contribution: Alcest 2013-07-26
Locality: Musonoi / Kolwezi, Stadt / Kolwezi, Revier / Lualaba, Distrikt / Katanga (Shaba), Provinz / Demokratische Republik Kongo

You find additional Digenit specimen at the Geolitho Museum

Collectors Summary

Color blauschwarz metallisch
Streak color grauschwarz metallisch
Lustre Metallglanz
Hardness (Mohs) 2.50 - 3.00
Solubility +++ HNO3
Crystal System trigonal, R3m

Chemism

Chemical formula

Cu1.8S

Chemical composition

Kupfer, Schwefel

Unit weight: 146.44884 u; Number of atoms in the formula: 2.8

Info

Empirical formula:

Cu1.8S

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

21.90

1

35.71

32.0655000

32.0655000
Copper

Cu

78.10

1.8

64.29

63.5463000

114.3833400

Analysis wt%

Ø Cu : 76.19, S : 23.44 (Ref: Dana, 7th ed. 1)

Strunz 9th edition incl. updates

2.BA.05e

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
B: Metallsulfide, M : S > 1 : 1 (hauptsächlich 2 : 1)
A: mit Kupfer (Cu), Silber (Ag), Gold (Au)
05e:

Lapis Classification

II/B.01-030

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
B: Sulfide, Selenide und Telluride mit Verhältnis Metall : S,Se,Te > 1:1
1: Kupfersulfide

Classification by Hölzel

2.BA.140

2: SULFIDES
B: Sulfides (etc) with Me/S > 1/1 (mostly 2/1)
A: With Cu,Ag,Au
1: Chalcocite-Bornite-Group

Dana 8th edition

02.04.07.03

02: Sulfide Minerals
04: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=2:1
07: Chalcocite Group ([Cu]2-x S] formulae)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blauschwarz metallisch

Streak color

grauschwarz metallisch

Change in color

blau in reflektiertem Licht

Lustre

Metallglanz

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 29.60, , 29.60
(420) 28.80, , 28.80
(440) 28.00, , 28.00
(460) 27.00, , 27.00
(480) 25.90, , 25.90
(500) 24.80, , 24.80
(520) 23.50, , 23.50
(540) 22.20, , 22.20
(560) 21.00, , 21.00
(580) 19.90, , 19.90
(600) 18.90, , 18.90
(620) 18.00, , 18.00
(640) 17.20, , 17.20
(660) 16.30, , 16.30
(680) 15.50, , 15.50
(700) 14.80, , 14.80
Reflection chart Digenite

Reflectivity Ø

21.96

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell parameters a (Å)

3.919

Cell parameters b (Å)

-

Cell parameters c (Å)

48

Cell parameters a/b or c/a

12.248

Cell parameters c/b

-

Z

15

Volumne (ų)

638.443

X-Ray Powder Diffraction

3.20(80),
3.05(30),
2.77(70),
2.16(10),
1.970(100),
1.670(60),
1.386(10),
1.131(30)
XRD chart Digenite

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)

2.50 - 3.00

VHN (Hardness Vickers)

96 (100g)

Density (g/cm³)

5.60 (gemessen) 5.715 (berechnet)

5.713 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3

(Co-)Type locality

(Co-)Type locality

Deutschland/Sachsen-Anhalt/Mansfeld-Südharz, Landkreis/Sangerhausen

Preface

Generation conditions

Entstanden meist bei hoher Temperatur; die Bildung ist aber auch unter 78 °C möglich.

Author (Name, Year)

Breithaupt, 1844

Additional Information

Der Name Digenit stammt von lateinisch `digenus` (von zweifacher Abkunft) wegen der chemischen Verwandtschaft mit Chalkosin und Covellin.

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 134
Lehrbuch der Mineralogie/Rösler (1991)

Other languages

German

Digenit

Spanish

Digenita

English

Digenite

French

Digenite

Russian

Дигенит

Japanese

方輝銅鉱

Simplified Chinese

蓝辉铜矿

Alternative Name

German

Blauer Chalkosin

Blue Chalcocite

German

Carmenit

Spanish

Carmenita

Carmenite

Isometric Chalcocite

Kupferglanz-α

German

Neodigenit

Spanish

Neodigenita

Neodigenite

Unnamed (MSH UK-55)

Spanish

α-Chalcocita

α-Chalcocite

German

α-Chalcosit

German

α-Chalkosin

Simplified Chinese

兰辉铜矿

CNMNC symbol

Symbol

Dg

Locations with GPS information