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Algodonite (Algodonit)

Pictures (7 Images total)

"Mohawkit"-Nugget
Views (Image: 1256400829): 2196
"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 (Image: 1256401694): 4391
"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 (Image: 1207330289): 2288
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 (Image: 1156802218): 2067
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 (Image: 1256378472): 1771
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 (Image: 1263145910): 2433
'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

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

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

Algodonite

Cu1-xAsx {x ≈ 0.15}

hexagonal : 6/mmm : P63/mmc

2.AA.05

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

Algodonite

Cu1-xAsx {x ≈ 0.15}

hexagonal : 6/mmm : P63/mmc

II/A.01-010

Domeykite

Cu3As

kubisch : 43m : I43d

II/A.01-020

'β-domeykite'

Cu3As

II/A.01-025

Kutinaite

Cu14Ag6As7

tetragonal : 4/mmm : P4/mmm

II/A.01-035

Koutekite

Cu5As2

orthorhombisch : mmm : Ibam

II/A.01-040

Novákite

(Cu,Ag)21As10

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

II/A.01-060

Cuprostibite

Cu2(Sb,Tl)

tetragonal : 4/mmm : P4/nmm

II/A.01-070

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

Algodonite

Cu1-xAsx {x ≈ 0.15}

hexagonal : 6/mmm : P63/mmc

2.AA.100

Allargentum

(Ag,Sb)

hexagonal : 6/mmm : P63/mmc

2.AA.110

Domeykite

Cu3As

kubisch : 43m : I43d

2.AA.130

'β-domeykite'

Cu3As

2.AA.135

Koutekite

Cu5As2

orthorhombisch : mmm : Ibam

2.AA.150

Novákite

(Cu,Ag)21As10

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

2.AA.170

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

Algodonite

Cu1-xAsx {x ≈ 0.15}

hexagonal : 6/mmm : P63/mmc

02.01.01.01

Telargpalite

(Pd,Ag)3(Te,Bi,Pb)

kubisch : 43m : F43m

02.01.03.01

Duranusite

As4S

02.01.04.01

Bezsmertnovite

(Au,Ag)4Cu(Te,Pb)

orthorhombisch : mmm : Pmmn

02.01.05.01

Bilibinskite

PbAu3Cu2Te2

02.01.06.01

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

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

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

German pages

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

English pages

Mindat - search for: Algodonite
Webmineral - search for:Algodonite
Handbook-of-Mineralogy - search for: Algodonite
RRUFF - Raman, XRD and other mineral data - search for: Algodonite
RRUFF - References and PDF downloads - search for: Algodonite
American-Mineralogist-Crystal-Structure-Database - search for: Algodonite
Athena - search for: Algodonite

Russian pages

Webmineral.ru - search for: Альгодонит

Mineral Dealer

German pages

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

Locations with GPS information