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Ignacy Domeyko
Tin white - steel grey
3 - 3½
Specific Gravity:
7.2 - 7.9
Crystal System:
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 from 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.
Dimorph of:
This page provides mineralogical data about Domeykite.

Hide all sections | Show all sections

Classification of DomeykiteHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:

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

2 : AmBnXp, with (m+n):p = 3:1

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

Physical Properties of DomeykiteHide

Tin white - steel grey
Tarnishes yellowish, then brownish, finally iridescent
3 - 3½ on Mohs scale
VHN100=213 - 235 kg/mm2 - Vickers
7.2 - 7.9 g/cm3 (Measured)    7.86 g/cm3 (Calculated)

Optical Data of DomeykiteHide


Chemical Properties of DomeykiteHide

Common Impurities:

Crystallography of DomeykiteHide

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

Type Occurrence of DomeykiteHide

Synonyms of DomeykiteHide

Other Language Names for DomeykiteHide

Varieties of DomeykiteHide

ArgentodomeykiteAn artificial variety of Domeykite

Common AssociatesHide

Associated Minerals Based on Photo Data:
Cuprite18 photos of Domeykite associated with Cuprite on
Chrysocolla13 photos of Domeykite associated with Chrysocolla on
Copper10 photos of Domeykite associated with Copper on
Algodonite10 photos of Domeykite associated with Algodonite on
Olivenite9 photos of Domeykite associated with Olivenite on
Quartz8 photos of Domeykite associated with Quartz on
Calcite8 photos of Domeykite associated with Calcite on
Malachite7 photos of Domeykite associated with Malachite on
Mohawkite4 photos of Domeykite associated with Mohawkite on
Rammelsbergite4 photos of Domeykite associated with Rammelsbergite on

Related Minerals - Nickel-Strunz GroupingHide

2.AA.10aAlgodonite(Cu1-xAsx)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
2.AA.20CuprostibiteCu2(Sb,Tl)Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
2.AA.25KutinaiteAg6Cu14As7 Iso.
2.AA.35DyscrasiteAg3SbOrth. mm2 : Pmm2
2.AA.40MaldoniteAu2BiIso. m3m (4/m 3 2/m) : Fd3m
2.AA.45StistaiteSnSbTrig. 3m (3 2/m) : R3m

Related Minerals - Dana Grouping (8th Ed.)Hide Iso.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

1.1CopperCuIso. m3m (4/m 3 2/m) : Fm3m
1.2SilverAgIso. m3m (4/m 3 2/m) : Fm3m
1.5GoldAuIso. m3m (4/m 3 2/m) : Fm3m
1.8ZincZnHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.9CadmiumCdHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.12MercuryHgTrig. 3m (3 2/m) : R3m
1.14MoschellandsbergiteAg2Hg3Iso. m3m (4/m 3 2/m)
1.19Weishanite(Au,Ag)3Hg2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.21AluminiumAlIso. m3m (4/m 3 2/m) : Fm3m
1.24DiamondCIso. m3m (4/m 3 2/m) : Fd3m
1.25GraphiteCHex. 6mm : P63mc
1.26ChaoiteCHex. 6/mmm (6/m 2/m 2/m) : P6/mmm
1.27LonsdaleiteCHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.29TinSnTet. 4/mmm (4/m 2/m 2/m) : I41/amd
1.30LeadPbIso. m3m (4/m 3 2/m) : Fm3m
1.31AnyuiiteAuPb2Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm
1.31NovodnepriteAuPb3Tet. 4 2m : I4 2m
1.32LeadamalgamPb0.7Hg0.3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.33ArsenicAsTrig. 3m (3 2/m) : R3m
1.34ArsenolampriteAsOrth. mmm (2/m 2/m 2/m)
1.38Algodonite(Cu1-xAsx)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.40KutinaiteAg6Cu14As7 Iso.
1.41AntimonySbTrig. 3m (3 2/m) : R3m
1.42StibarsenAsSbTrig. 3m (3 2/m) : R3m
1.43ParadocrasiteSb3AsMon. 2 : B2
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
1.47AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
1.48DyscrasiteAg3SbOrth. mm2 : Pmm2
1.49BismuthBiTrig. 3m (3 2/m) : R3m
1.50MaldoniteAu2BiIso. m3m (4/m 3 2/m) : Fd3m
1.51SulphurS8Orth. mmm (2/m 2/m 2/m) : Fddd
1.52RosickýiteSMon. 2/m : P2/b
1.53SeleniumSeTrig. 3 2 : P31 2 1
1.55ChromiumCrIso. m3m (4/m 3 2/m) : Im3m
1.57IronFeIso. m3m (4/m 3 2/m) : Im3m
1.58ChromferideFe3Cr1-x (x=0.6)Iso. m3m (4/m 3 2/m) : Pm3m
1.59FerchromideCr3Fe1-xIso. m3m (4/m 3 2/m) : Pm3m
1.61NickelNiIso. m3m (4/m 3 2/m) : Fm3m
1.63Taenite(Fe,Ni)Iso. m3m (4/m 3 2/m) : Fm3m
1.65AwaruiteNi3FeIso. m3m (4/m 3 2/m) : Fm3m
1.67PotaritePdHgTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.70CabriitePd2CuSnOrth. mmm (2/m 2/m 2/m) : Pmmm
1.72Atokite(Pd,Pt)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.76Osmium(Os,Ir,Ru)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.82PlatinumPtIso. m3m (4/m 3 2/m) : Fm3m

Other InformationHide

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

References for DomeykiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Steenberg, B. (1938): The crystal structure of Cu3As and Cu3P. Arkiv Kemi Min. Geol. 12A, no. 26, 1, 15.
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.
Heyding, R.D., Despault, G.J.G. (1960) The copper/arsenic system and the copper arsenide minerals. Canadian Journal of Chemistry: 38: 2477-2481. []
Iglesias, J.E., Nowacki, W. (1977): Refinement of the crystal structure of α domeykite, a structure related to the A15 type. Zeitschrift für Kristallographie, 145, 334-345.
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 DomeykiteHide

Localities for DomeykiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Neuquén
    • Picún Leufú department
      • Picún Leufú
Las Especies Minerales de la Republica Argentina, Milka K. de Brodtkorb, Asociacion Mineralogica Argentina 2002
  • Styria
    • Knittelfeld
      • Flatschach
J.Raith+ T.Leitner+ W.Paar (2015)
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.
  • 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)
  • New Brunswick
    • Gloucester Co.
      • Bathurst Parish
        • Bathurst Mining Camp
"Geology of New Brunswick: field guide to excursions", New England Intercollegiate Geological Conference, 1973.
Sabina (1966) GSC Paper 66-51, 46-47
  • Northwest Territories
    • Great Slave Lake
Harris, D. C. & Thorpe, R. I. (1985): Occurrence of copper arsenides in the East Arm area, Great Slave Lake, District of Mackenzie. Geological Survey of Canada Paper 85-1A, 713-716.
  • 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
  • Antofagasta Region
    • Antofagasta Province
sample analysed by Tony Kampf, senior curator of NHM of LAC, California
  • Atacama Region
    • Copiapó Province
      • Chañarcillo 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.
      • Tierra Amarilla
        • Pampa Larga district
Samples analysed by Tony Kampf of LAC Mineralogical Museum, USA; Kampf, A. R., Mills, S. J., Housley, R. M., Rossman, G. R., Nash, B. P., Dini, M., & Jenkins, R. A. (2013). Joteite, Ca2CuAl [AsO4][AsO3 (OH)] 2 (OH) 2· 5H2O, a new arsenate with a sheet structure and unconnected acid arsenate groups. Mineralogical Magazine, 77(6), 2811-2823.
  • Coquimbo Region
    • Elqui Province
      • La Serena
        • El Arrayan
          • Los Algodones district
W. Haidinger (1845) Hannb. besimm. Min. p.562
  • 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.
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Lubilhac
J.J. Périchaud : "Les Gisements Métalliques du District à Antimoine de Brioude-Massiac (Massif Central Français)", BRGM, 1968
  • Occitanie
    • Hérault
      • Lodève
No reference listed
  • Provence-Alpes-Côte d'Azur
    • Alpes-Maritimes
      • Guillaumes
        • Daluis
Pierrot, R., Picot, P., Feraud, J., and Vernet, J. (1974) Inventaire Minéralogique de la France, N° 4, Alpes Maritimes, BRGM.; Sarp, H., Černý, R., and Guenee, L. (2001) Rouaite, Cu2(NO3)(OH)3, un nouveau minéral: sa description et sa structure cristalline (Alpes-Maritimes, France). Riviéra Scientifique: 85: 3-12.; Sarp, H. and Cerny R. (2001) Theoparacelsite, Cu3(OH)2As2O7, a new mineral: its description and crystal structure. Archives des Sciences Genève: 54: 7-14.; Jambor, J.L. and Roberts, A.C. (2001) New mineral names. American Mineralogist: 86: 197-200.; Mineralogical Record 32: 312.
    • Hautes-Alpes
      • Villar-d'Arêne
R. Pierrot, P. Picot, P.A. Poulain, "Inventaire Minéralogique de la France : Hautes-Alpes", BRGM, 1972
  • Bavaria
    • Franconia
      • Spessart
        • Aschaffenburg
          • Dörrmorsbach
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
        • Hösbach
          • Sailauf
            • Hartkoppe
see locality page
  • Rhineland-Palatinate
    • Palatinate
      • Winnweiler
        • Imsbach
Rahm, B. (2014). Algodonit: Neufund eines seltenen Kupferarsenides. Aufschluss, 65, 73-77 (in German). (p. 76; analysis by Dr. G. Müller, Saarbrücken))
  • Saarland
    • Nonnweiler
      • Kastel
G. Müller
  • Schleswig-Holstein
    • Helgoland Island
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 Markus Gerstmann - Collection
  • Borsod-Abaúj-Zemplén Co.
    • Rudabányai Mts
      • Rudabánya
Szakáll: Minerals of Rudabánya, 2001
  • 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; Tarkian, M., Bock, D. G. W., & Neumann, D. G. M. (1983). Geology and mineralogy of the Cu− Ni− Co− U ore deposits at Talmessi and Meeskani, central Iran. Tschermaks mineralogische und petrographische Mitteilungen, 32(2-3), 111-133.; Bariand, P., Bachet, B., Brassy, C., Medenbach, O., Deliens, M., Vautier, R., & Piret, P. (1993) A New Uranium Mineral from the Talmessi Mine, Iran, and Rabejac, France. Mineralogical Record: 24: 463-467
  • Liguria
    • La Spezia Province
      • Rocchetta Vara
Palenzona, A. (1990): I nostri minerali. Geologia e mineralogia in Liguria. Aggiornamento 1990. EE. VV. 48 pp.
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    • Chu-Sarysu basin
Satpaeva, M. K. (2006): Mineralogy of an ore deposit layer at Zhaman Aibat. Kazakstan Respublikasy Ulttyk Gylym Akademiyasynyn Khabarlary, Geologiyalyk Seriyasy 2006 (5), 29-41 (in Russian).
    • Dzhezkazgan (Zhezqazghan)
Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30
  • Oshikoto Region (Otjikoto 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 Region
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
  • Eastern-Siberian Region
    • Khakassia Republic (Khakassy Republic; Khakassiya Republic)
      • Saksyr Batholit
Pavel M. Kartashov analytical data of 2017, Vladimir Ilyushenko material
  • Far-Eastern Region
    • Primorskiy Kray
      • Kavalerovo Mining District
[MinRec 32:8]
  • 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. (1984): Copperarsenides from Harstigen, central Sweden. Geologiska Föreningen i Stockholm Förhandlingar. 106, 293-294
  • Vaud (Waadt)
    • Leysin
Stalder, H. A., Wagner, A., Graeser, S. und Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf Verlag, Basel, 579 pp.
  • England
    • Cornwall
      • Camborne
        • Beacon
Dana 6:44; Dana 7:I:172.; Mineralogical Magazine 1958 31 : 979-980
      • Carn Brea
        • Pool
Lapis 11(2), 23 (1986)
      • St Day
Phillips, W. (1823): An Elementary Introduction to the Knowledge of Mineralogy, 3rd ed. William Phillips (London), 535 pp.
    • Devon
      • East Devon
        • Budleigh Salterton
from XRD and EPMA results - B. Smith
    • Leicestershire
      • Stanton under Bardon
        • Cliffe Hill Quarry
UKJMM 26:43-51
  • 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) Eckel, E. B.
  • Michigan
      • 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
Dana 6:1086.
      • Copper Harbor
Mineralogy of Michigan (2004) Heinrich & Robinson
      • Mohawk
Rocks & Min.: 21:664.
        • Seneca Mine
Rocks & Min.: 58:111.
      • Phoenix
Norman King Collection
    • Ontonagon Co.
      • Greenland Township
        • Winona
      • 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.
      • White Canyon District
UGMS Bull 117 Minerals and Mineral Localities of Utah
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