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Domeykite

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Cashin Mine, La Sal District (Paradox Valley District), Montrose Co., Colorado, USA
© Brent Thorne

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Formula:
Cu
 
3
As
System:IsometricColour:Tin white - steel grey
Lustre:MetallicHardness:3 - 3½
Name:
Named by Wilhelm Haidinger in 1845 in honor of the Polish mineralogist Ignacy "Ignacio" Domeyko [July 31, 1802 Niedźwiadka Wielka, Russian partition of the former Polish-Lithuanian Commonwealth (later part of Karelichy district, Belarus) - January 23, 1889 Santiago, Chile] who fled to Chile in the 1830s fron France, after the invasion of his native country. Domeyko was professor of mineralogy at the Mining School at La Sarena, Coquimbo, Chile in 1838 and was professor at University of Chile in 1847. From 1867 to 1883, Domeyko was the head (rector) of the University of Chile.


[Note: the presently given type locality appears to be incorrect, see discussion in http://www.mineralienatlas.de/forum/index.php?topic=23464 (in German)]

Classification of Domeykite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" 1845
Strunz 8th edition ID:2/A.01-20
Nickel-Strunz 10th (pending) edition ID:2.AA.10b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
A : Alloys of metalloids with Cu, Ag, Au
Dana 8th edition ID:2.2.2.1

2 : SULFIDES
2 : AmBnXp, with (m+n):p = 3:1
Hey's CIM Ref.:1.37

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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Type Occurrence of Domeykite

Type Locality:Los Algodones Mine, Los Algodones district, El Arrayan, La Serena, Elqui Province, Coquimbo Region, Chile
Year of Discovery:1845

Occurrences of Domeykite

Geological Setting:Hydrothermal veins

Physical Properties of Domeykite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Tin white - steel grey
Comment:Tarnishes yellowish, then brownish, finally iridescent
Hardness (Mohs):3 - 3½
Hardness (Vickers):VHN100=213 - 235 kg/mm2
Fracture:Irregular/Uneven
Density (measured):7.2 - 7.9 g/cm3
Density (calculated):7.86 g/cm3

Crystallography of Domeykite

Crystal System:Isometric
Class (H-M):4 3m - Hextetrahedral
Space Group:I4 3d
Cell Parameters:a = 9.62Å
Unit Cell Volume:V 890.28 ų (Calculated from Unit Cell)
Z:16
Morphology:Reniform, botyroidal, massive

Optical Data of Domeykite

Type:Isotropic

Chemical Properties of Domeykite

Formula:
Cu
 
3
As
Essential elements:As, Cu
All elements listed in formula:As, Cu
Common Impurities:Sb,S

Relationship of Domeykite to other Species

Common Associates:
SilverCopperAlgodonite
Related Minerals - Nickel-Strunz Grouping):

- +
2.AA.10aAlgodonite
(Cu
 
1-x
As
 
x
)
2.AA.10dKoutekite
Cu
 
5
As
 
2
2.AA.15Novakite
Cu
 
20
AgAs
 
10
2.AA.20Cuprostibite
Cu
 
2
(Sb,Tl)
2.AA.25Kutinaite
Cu
 
2
AgAs
2.AA.30Allargentum
(Ag
 
1-x
Sb
 
x
)
2.AA.35Dyscrasite
Ag
 
3
Sb
2.AA.40Maldonite
Au
 
2
Bi
2.AA.45Stistaite
SnSb
Related Minerals - Hey's Index Grouping:

- +
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.7Tetra-auricupride
AuCu
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.15Eugenite
Ag
 
11
Hg
 
2
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.28Silicon
Si
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
Pb
 
0.7
Hg
 
0.3
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.39Novakite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
Cu, Sb
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.58Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.62Kamacite
(Fe,Ni)
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
CuSn
1.71Taimyrite-I
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pd
 
3
Pb
 
2
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)

Other Names for Domeykite

Synonyms:
Arsenical Copper
Other Languages:
French:Arseniure de Cuivre
Cuivre Arsenical
German:Arsenikkupfer
Domeykit
Russian:Домейкит
Simplified Chinese:砷铜矿
Spanish:Domeykita
Varieties:
Argentodomeykite

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Domeykite

Reference List:

- +
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 172.

Geological Society of America Memoir 85 (1962): 30.

Zeitschrift für Kristallographie: 145 (1977), 334.

Anthony, Bideaux, Bladh & Nichols (1990), Handbook of Mineralogy, Vol. I: 138.

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva (2002): 131(5), 54.

Canadian Journal of Chemistry: 38: 2477-2481.

Economic Geology: 66: 133-139.

Internet Links for Domeykite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Domeykite details from Handbook of Mineralogy (PDF)
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    • Localities for Domeykite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Neuquén
    		Las Especies Minerales de la Republica Argentina, Milka K. de Brodtkorb, Asociacion Mineralogica Argentina 2002
    Austria
     
    • Styria
      • Knittelfeld
        • Flatschach
          • Cu deposit
    		Jarlowsky, W. (1964): Die Kupfererzgänge von Flatschach bei Knittelfeld. Archiv für Lagerstättenforschung in den Ostalpen, 2, 32-75; Paar, W.H. & Meixner, H. (1979): Neues aus den Kupfererz-Gängen des Flatschacher Bergbau-Reviers bei Knittelfeld, Steiermark. Karinthin, 81: 148-150.; Gröbner, J. (2000): Neue Mineralienfunde aus Österreich (2). Mineralien-Welt, 11 (5), 49-51.
    Paar, W.H. & Meixner, H. (1979): Neues aus den Kupfererz-Gängen des Flatschacher Bergbau-Reviers bei Knittelfeld, Steiermark. Karinthin, 81: 148-150.
    Bolivia
     
    • La Paz Department
      • Pacajes Province
    		[MinRec 32:469; Metal Mining Mining Geology, A.I.M.E. (1937): 541-558.]; J. T. Singewald Jr. & Edward Berry (1922)
    J. T. Singewald Jr. & Edward Berry (1922)
    Geology and Mineral Resources of the Altiplano and Cordillera Occidental, Bolivia (USGS Bulletin no. 1975)
    Canada
     
    • New Brunswick
      • Gloucester Co.
        • Bathurst Parish
          • Bathurst Mining Camp
    		Sabina (1966) GSC Paper 66-51, 46-47
    • Ontario
      • Thunder Bay District
    		Copper Handbook 1905
        • Sibley Township
          • Silver Islet
    		[MinRec 1996]; Sessional papers (1908) - Legislature of the Province of Ontario, Volume XL Part 1
    Chile
     
    • Atacama Region
      • Copiapó Province
        • Chañarcillo
    		Handb.best.Mineral.(1845) p. 562
        • Potrero Grande
    		I. Domeyko collection Mineralogical Museum in La Serena, Chile; Jochen Schlüter analysis of M. Dini material
    Day G. (1933); "Informe sobre las minas de plata denominadas Guía de Picones y Descubridora de San Antonio de Copiapó": Sernageomin, Stgo de Chile.
    Day G. (1933); "Informe sobre las minas de plata denominadas Guías de Picones y Descubridora de San Antonio de Copiapó": Sernageomin, Stgo de Chile.
    • Coquimbo Region
      • Elqui Province
        • La Serena
          • El Arrayan
            • Los Algodones district
    		W. Haidinger (1845) Hannb. besimm. Min. p.562
    China
     
    • Zhejiang Province
      • Wenzhou Prefecture
        • Pingyang Co.
    		Lina Peng, Junhao Wei, Xiaoyan Sun, Yanjun Li, and Zefu Ye (2009): Geology and Exploration 45(5), 577-587
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Hradec Králové Region
        • Náchod (Nachod)
    		Černý, P., Doubek, Z., Veselovský, F.: Nerosty z Bělovsi u Náchoda – Jiráskova lomu. Minerál, roč. 11, č. 6, s. 406-418.
    France
     
    • Auvergne
      • Haute-Loire
        • Lubilhac
    		J.J. Périchaud : "Les Gisements Métalliques du District à Antimoine de Brioude-Massiac (Massif Central Français)", BRGM, 1968
    • Languedoc-Roussillon
      • Hérault
        • Lodève
    		No reference listed
    • Provence-Alpes-Côte d'Azur
      • Alpes-Maritimes
        • Guillaumes
          • Daluis
    		R. Pierrot, P. Picot, J. Feraud, J. Vernet : "Inventaire Minéralogique de la France, N° 4, Alpes Maritimes", BRGM, 1974; [MinRec 32:312]; Riviéra Scientific:85:3-12, 2001 (15 Oct 2001), Sarp, et al.; Sarp, H. and Cerny R., 2001, Theoparacelsite, Cu3(OH)2As2O7, a new mineral: its description and crystal structure: Archs Sci. Geneve, 54:7-14.
      • Hautes-Alpes
        • Villar d'Arène
    		R. Pierrot, P. Picot, P.A. Poulain, "Inventaire Minéralogique de la France : Hautes-Alpes", BRGM, 1972
    Germany
     
    • Bavaria
      • Franconia
        • Spessart
          • Aschaffenburg
            • Dörrmorsbach
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
          • Hösbach
            • Sailauf
              • Hartkoppe
    		see locality page
    • Saarland
      • Nonnweiler
        • Kastel
    		G. Müller
    • Schleswig-Holstein
      • Helgoland Island
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 Markus Gerstmann - Collection
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Rudabányai Mts.
        • Rudabánya
    		Szakáll: Minerals of Rudabánya, 2001
    Iran
     
    • Esfahan Province (Isfahan Province; Aspadana Province)
      • Nain County (Nayin County)
        • Anarak District
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Italy
     
    • Liguria
      • La Spezia Province
        • Rocchetta Vara
    		Palenzona, A. (1990): I nostri minerali. Geologia e mineralogia in Liguria. Aggiornamento 1990. EE. VV. 48 pp.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Ettler, V., Johan, Z., Kříbek, B., Šebek, O. & Mihaljevič, M. (2009): Mineralogy and environmental stability of slags from the Tsumeb smelter, Namibia. Applied Geochemistry 24, 1-15.
    New Zealand
     
    • North Island
      • Northland
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    Russia
     
    • Far-Eastern Region
      • Primorskiy Kray
        • Kavalerovo Mining District
    		[MinRec 32:8]
    Sweden
     
    • Värmland
      • Filipstad
    		Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
        • Persberg district
          • Pajsberg
    		Nysten, P. (2004): Harstigen ett mineralogisk eldorado i Bergslagen. Norsk Bergverksmuseum Skrift 28: 5-13
    Switzerland
     
    • Vaud (Waadt)
      • Leysin
    		Stalder, H. A., Wagner, A., Graeser, S. und Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf Verlag, Basel, 579 pp.
    UK
     
    • England
      • Cornwall
        • Camborne - Redruth - St Day District
          • Camborne
            • Pendarves United Mines
    		Dana 6:44; Dana 7:I:172.; Mineralogical Magazine 1958 31 : 979-980
          • Illogan
            • Carn Brea and Tincroft United Mine
    		Lapis 11(2), 23 (1986)
      • Devon
        • East Devon
          • Budleigh Salterton
    		from XRD and EPMA results - B. Smith
      • Leicestershire
        • Stanton under Bardon
    		UKJMM 26:43-51
    USA
     
    • Colorado
      • La Plata Co.
        • La Plata District (California District)
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
      • Montrose Co.
        • La Sal District (Paradox Valley District)
    		Minerals of Colorado (1997) Eckels, E. B.
    • Michigan
    		www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
        • Hancock
    		Rocks & Min.:58:109.
        • Houghton
    		Rocks & Min.:58:109.
    Dana 7:I:172.
        • Hurontown
    		Mineralogy of Michigan (2004) Heinrich & Robinson
        • Painesdale
    		Mineralogy of Michigan (2004) Heinrich & Robinson
        • Ripley
      • Keweenaw Co.
        • Ahmeek
    		Rocks & Min.:58:111.
    Mineralogy of Michigan (2004) Heinrich & Robinson
    Mineralogy of Michigan (2004) Heinrich & Robinson
    Mineralogy of Michigan (2004) Heinrich & Robinson
    USGS PP144
    USGS PP144
    Dana 6:1086.
        • Copper Harbor
    		Mineralogy of Michigan (2004) Heinrich & Robinson
        • Mohawk
    		Rocks & Min.: 21:664.
    Rocks & Min.: 58:111.
        • Phoenix
    Norman King Collection
      • Ontonagon Co.
        • Greenland Township
          • Winona
    		USGS PP144
        • White Pine
    		R&M 74:3 p160-176
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Burke, E.A.J. & Dunn, P.J.: Neues Jahrbuch für Min. Monatshefte(1988):145-148; Dunn(1995):Pt4:545.
    • New Mexico
    		Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
    Minerals of New Mexico 3rd ed.
    Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    • Utah
      • San Juan Co.
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    Mineral and/or Locality
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