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Algodonite (Algodonit)

Pictures (10 Images total)

"Mohawkit"-Nugget
Views (File:
1256400829
): 2655
"Mohawkit"-Nugget
Gemenge aus Algodonoit, Kupfer und Domeykit. Größe: 4,7 x 3,9 x 2,8 cm, Fundort: Mohawk Mine, Keweenaw Co., Michigan, USA.
Copyright: Rob Lavinsky; Contribution: thdun5
Location: USA/Michigan/Keweenaw Peninsula/Keweenaw Co./Mohawk/Mohawk Mine
Mineral: Algodonite, Domeykite, Mohawkite
Image: 1256400829
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
"Mohawkit"-Nugget

Gemenge aus Algodonoit, Kupfer und Domeykit. Größe: 4,7 x 3,9 x 2,8 cm, Fundort: Mohawk Mine, Keweenaw Co., Michigan, USA.
Copyright: Rob Lavinsky
Contribution: thdun5 2009-10-24
Locality: Mohawk Mine / Mohawk / Keweenaw Co. / Keweenaw Peninsula / Michigan / USA
"Mohawkit"-Nugget
Views (File:
1256401694
): 4874
"Mohawkit"-Nugget
Gemenge aus Algodonoit, Kupfer und Domeykit. Größe: 5,1 x 2,9 x 1,5 cm, Fundort: Ahmeek Mine, Keweenaw Co., Michigan, USA.
Copyright: Rob Lavinsky; Contribution: thdun5
Location: USA/Michigan/Keweenaw Peninsula/Keweenaw Co./Ahmeek/Ahmeek Mine
Mineral: Algodonite, Domeykite
Image: 1256401694
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
"Mohawkit"-Nugget

Gemenge aus Algodonoit, Kupfer und Domeykit. Größe: 5,1 x 2,9 x 1,5 cm, Fundort: Ahmeek Mine, Keweenaw Co., Michigan, USA.
Copyright: Rob Lavinsky
Contribution: thdun5 2009-10-24
Locality: Ahmeek Mine / Ahmeek / Keweenaw Co. / Keweenaw Peninsula / Michigan / USA
goldfarbener Algodonit mit Quarz
Views (File:
1207330289
): 2474
goldfarbener Algodonit mit Quarz
Größe: 5.6 x 5.2 x 3.5 cm; Fundort: Houghton Co., Michigan, USA
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: USA/Michigan/Houghton Co.
Mineral: Algodonite
Image: 1207330289
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
goldfarbener Algodonit mit Quarz

Größe: 5.6 x 5.2 x 3.5 cm; Fundort: Houghton Co., Michigan, USA
Copyright: Rob Lavinsky
Contribution: slugslayer 2008-04-04
Locality: Houghton Co. / Michigan / USA
Goldfarbener Algodonit in Matrix
Views (File:
1156802218
): 2224
Goldfarbener Algodonit in Matrix
Fundort: Houghton Co., Michigan, USA; Bildausschnitt ca. 2,5 x 3 mm
Copyright: Torben; Contribution: Torben
Location: USA/Michigan/Houghton Co.
Mineral: Algodonite
Image: 1156802218
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Goldfarbener Algodonit in Matrix

Fundort: Houghton Co., Michigan, USA; Bildausschnitt ca. 2,5 x 3 mm

Copyright: Torben
Contribution: Torben 2006-08-28
Locality: Houghton Co. / Michigan / USA
Algodonit
Views (File:
1256378472
): 1946
Algodonit
Größe: 8,4 x 5,3 x 5,3 cm, Fundort: Keweenaw Co., Michigan, USA.
Copyright: Rob Lavinsky; Contribution: thdun5
Location: USA/Michigan/Keweenaw Peninsula/Keweenaw Co.
Mineral: Algodonite
Image: 1256378472
Rating: 4 (votes: 1)
License: Usage for Mineralienatlas project only
Algodonit

Größe: 8,4 x 5,3 x 5,3 cm, Fundort: Keweenaw Co., Michigan, USA.
Copyright: Rob Lavinsky
Contribution: thdun5 2009-10-24
Locality: Keweenaw Co. / Keweenaw Peninsula / Michigan / USA
'Mohawkit' (Cu, As)
Views (File:
1263145910
): 2601
'Mohawkit' (Cu, As)
Gemenge aus Algodonoit, Kupfer und Domeykit. Größe: 5 x 3 x 1,3 cm, Fundort: Ahmeek Mine, Keweenaw Co., Michigan, USA.
Copyright: Michael Roarke; Contribution: thdun5
Location: USA/Michigan/Keweenaw Peninsula/Keweenaw Co./Ahmeek/Ahmeek Mine
Mineral: Algodonite, Domeykite
Image: 1263145910
License: Usage for Mineralienatlas project only
'Mohawkit' (Cu, As)

Gemenge aus Algodonoit, Kupfer und Domeykit. Größe: 5 x 3 x 1,3 cm, Fundort: Ahmeek Mine, Keweenaw Co., Michigan, USA.
Copyright: Michael Roarke
Contribution: thdun5 2010-01-10
Locality: Ahmeek Mine / Ahmeek / Keweenaw Co. / Keweenaw Peninsula / Michigan / USA

Collectors Summary

Color silberweiß, graumetallisch
Lustre Metallglanz
Hardness (Mohs) 4.5
Fracture submuschelig
Solubility ++ Säuren
Crystal System hexagonal, P63/mmc
Morphology derb, krümelig, Anflüge

Chemism

Chemical formula

Cu1-xAsx {x ≈ 0.15}

Additional chem. information

Cu0.85As0.15 (x ≈ 0.15)

Chemical composition

Arsen, Kupfer

Unit weight: 65.2525953 u; Number of atoms in the formula: 1

Info

Empirical formula:

Cu0.85As0.15

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Copper

Cu

82.78

0.85

85.00

63.5463000

54.0143550
Arsenic

As

17.22

0.15

15.00

74.9216020

11.2382403

Analysis wt%

Cu : 83.53, As : 16.55 (Ref: Dana, 7th ed. 1)

Strunz 9th edition incl. updates

2.AA.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
A: Legierungen und legierungsartige Verbindungen
A: Verbindungen von Halbmetallen mit Kupfer (Cu), Silber (Ag), Gold (Au)
05:Algodonit-Domeykit -Gruppe

Lapis Classification

II/A.01-010

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
A: Legierungen und legierungsartige Verbindungen
1: mit Kupfer, Silber, Gold und Nickel

Classification by Hölzel

2.AA.100

2: SULFIDES
A: Alloys of Cu,Ag,Au,Ni,Pd with As,Sb,Bi,(Te)
A: With Cu,Ag,Au
1: Algondonite-Domeykite-Group

Hey's Chemical Index of Minerals

01.38

01: Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Dana 8th edition

02.01.01.01

02: Sulfide Minerals
01: Sulfides - Including Selenides and Tellurides where Am Xp, with m:p>3:1

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

silberweiß, graumetallisch

Change in color

matt auf aufgeschlossenen Flächen, poliert hell cremeweiß

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Anisotropism

schwach

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 51.50, 49.30, 50.40
(420) 52.30, 50.50, 51.40
(440) 52.80, 52.40, 52.60
(460) 53.40, 54.60, 54.00
(480) 54.20, 56.40, 55.30
(500) 55.70, 58.40, 57.05
(520) 57.50, 60.50, 59.00
(540) 58.90, 62.30, 60.60
(560) 60.00, 63.80, 61.90
(580) 60.80, 64.80, 62.80
(600) 61.10, 65.50, 63.30
(620) 61.60, 66.10, 63.85
(640) 61.90, 66.50, 64.20
(660) 62.30, 66.70, 64.50
(680) 62.80, 66.90, 64.85
(700) 63.40, 67.10, 65.25
Reflection chart Algodonite

Reflectivity Ø

59.44

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell parameters a (Å)

2.600

Cell parameters b (Å)

-

Cell parameters c (Å)

4.228

Cell parameters a/b or c/a

1.626

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volumne (ų)

24.752

X-Ray Powder Diffraction

2.25(20),
2.11(40),
1.989(100),
1.299(20),
1.194(20),
1.110(20),
0.837(20),
0.823(20)
XRD chart Algodonite

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

Morphology

derb, krümelig, Anflüge

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

274 (100g)

Density (g/cm³)

8.55

8.755 ( ρ calc. Mineralienatlas )

Fracture

submuschelig

Radioactivity

keine

Instability

++ Säuren

(Co-)Type locality

(Co-)Type locality

Chile/Coquimbo, Region (IV. Region)/Elqui, Provinz/La Serena/El Arrayan/Los Algodones, Distrikt/Los Algodones Mine

Preface

Occurrences

Hydrothermale Lagerstätten

Associations

andere Kupferarsenide

Name from

Das Mineral wurde nach der ersten Fundstelle in Chile der Los Algodones Mine benannt.

Author (Name, Year)

Field, 1859

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 8

Criddle, A.J. and C.J. Stanley, Eds. (1993) Quantitative data file for ore minerals, 3rd ed. Chapman & Hall, London, 8

Varieties

Whitneyite

Gemenge aus Algodonit und arsenhaltigem Kupfer

Other languages

German

Algodonit

Spanish

Algodonita

English

Algodonite

French

Algodonite

Russian

Альгодонит

Simplified Chinese

微晶砷铜矿

Alternative Name

German

Algadonit

Spanish

Algadonita

Algadonite

CNMNC symbol

Symbol

Ago

Locations with GPS information