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About ChalcomeniteHide

CuSeO3 · 2H2O
Intense blue; pale blue in transmitted light.
2 - 2½
Specific Gravity:
Crystal System:
From the Greek χαλκος = "copper," and μήυη (for σελήυη) = the "moon", where the element selenium is named after the moon.
This page provides mineralogical data about Chalcomenite.

Classification of ChalcomeniteHide

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

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
H : Selenites without additional anions, with H2O
Dana 7th ed.:

2 : A(XO3)·xH2O

28 : Selenites, Selenates, Tellurites, and Tellurates
1 : Selenites

Physical Properties of ChalcomeniteHide

Intense blue; pale blue in transmitted light.
2 - 2½ on Mohs scale
None Observed
3.35 g/cm3 (Measured)    3.4 g/cm3 (Calculated)
Measured value on Hiaco Mine material.

Optical Data of ChalcomeniteHide

Biaxial (-)
RI values:
nα = 1.712 nβ = 1.732 nγ = 1.732
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
relatively strong
X = a = Pale blue
Y = c = Darker blue
Z = b = Darker blue

Chemical Properties of ChalcomeniteHide

CuSeO3 · 2H2O
IMA Formula:
Cu(Se4+O3) · 2H2O

Crystallography of ChalcomeniteHide

Crystal System:
Class (H-M):
2 2 2 - Disphenoidal
Space Group:
P21 21 21
Cell Parameters:
a = 6.67 Å, b = 9.19 Å, c = 7.38 Å
a:b:c = 0.726 : 1 : 0.803
Unit Cell V:
452.37 ų (Calculated from Unit Cell)
Crystals minute, acicular [001]. The prismatic faces are often striated or rounded.

Geological EnvironmentHide

Geological Setting:
Secondary mineral in Cu-Se bearing deposits

Type Occurrence of ChalcomeniteHide

Des Cloizeaux, A., Damour, A.A. (1881) Note sur la chalcoménite, nouvelle espèce minérale (sélénite de cuivre). Bulletin de la Société Minéralogique de France: 4: 51-55.

Other Language Names for ChalcomeniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
16 photos of Chalcomenite associated with UmangiteCu3Se2
8 photos of Chalcomenite associated with DemesmaekeritePb2Cu5(UO2)2(SeO3)6(OH)6 · 2H2O
6 photos of Chalcomenite associated with MalachiteCu2(CO3)(OH)2
5 photos of Chalcomenite associated with CerussitePbCO3
5 photos of Chalcomenite associated with OlsacheritePb2(Se6+O4)(SO4)
4 photos of Chalcomenite associated with ClinochalcomeniteCuSeO3 · 2H2O
4 photos of Chalcomenite associated with Krut'aiteCuSe2
4 photos of Chalcomenite associated with DerriksiteCu4(UO2)(SeO3)2(OH)6
3 photos of Chalcomenite associated with TyrrelliteCu(Co3+,Ni3+)2Se4
3 photos of Chalcomenite associated with AhlfelditeNi(SeO3) · 2H2O

Related Minerals - Nickel-Strunz GroupingHide

4.JH.10AhlfelditeNi(SeO3) · 2H2OMon. 2/m
4.JH.10ClinochalcomeniteCuSeO3 · 2H2OMon.
4.JH.10CobaltomeniteCoSeO3 · 2H2OMon.
4.JH.15MandarinoiteFe3+2(Se4+O3)3 · (6-x)H2O (x = 0.0-1.0)Mon. 2/m : P21/b
4.JH.20OrlandiitePb3(SeO3)(Cl,OH)4 · H2O Tric.
4.JH.25LarisaiteNa(H3O)(UO2)3(SeO3)O2 · 4H2OMon. m : Pm

Related Minerals - Dana Grouping (8th Ed.)Hide · 2H2OOrth. mmm (2/m 2/m 2/m)

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

28.1.2ClinochalcomeniteCuSeO3 · 2H2OMon.
28.1.3FrancisiteCu3Bi(SeO3)2O2ClOrth. mmm (2/m 2/m 2/m) : Pmmn
28.1.6Haynesite(UO2)3(OH)2(SeO3)2 · 5H2OOrth.
28.1.8MarthoziteCu2+(UO2)3(SeO3)2O2 · 8H2OOrth.
28.1.9GuilleminiteBa(UO2)3(SeO3)2O2 · 3H2OOrth. mm2 : Pmn21
28.1.10DemesmaekeritePb2Cu5(UO2)2(SeO3)6(OH)6 · 2H2OTric.
28.1.11MandarinoiteFe3+2(Se4+O3)3 · (6-x)H2O (x = 0.0-1.0)Mon. 2/m : P21/b
28.1.12CobaltomeniteCoSeO3 · 2H2OMon.
28.1.13AhlfelditeNi(SeO3) · 2H2OMon. 2/m

Other InformationHide

Soluble in acids.
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 ChalcomeniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Des Cloizeaux, A., Damour, A.A. (1881) Note sur la chalcoménite, nouvelle espèce minérale (sélénite de cuivre). Bulletin de la Société Minéralogique de France: 4: 51-55.
Friedel and Sarasin (1881) Bulletin de la Société française de Minéralogie: 4: 176, 225.
Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 980.
Groth, P. (1908) Chemische Krystallographie. Leipzig. 5 volumes: vol. 2: 300.
Goldschmidt, V. (1913) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 2: 132.
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 55.
Palache, C. (1937) Chalcomenite from Bolivia. American Mineralogist: 22(6): 790-795.
Palache, C. (1937) Supplementary note on chalcomenite. American Mineralogist: 22(6): 1123-1123.
Palache, Charles, Harry Berman & Clifford Frondel (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 638-639.
Gattow, V.G. (1958) Die Kristallstruktur von CuSeO3·2H2O (Chalkomenit). Acta Crystallographica: 11: 377-383.
Mandarino, J.A. (1964) Mineralogical notes: X-ray powder data for teineite and chalcomenite. American Mineralogist: 49: 1481-1485.
Effenberger, H. (1977) Verfeinerung der kristallstruktur von synthetischem teineit CuTeO3·2H2O. Tschermaks Mineralogische und Petrographische Mitteilungen: 24: 287-298.
Lo, K., Wei, J., Zhang, J., Gu, Q. (1980) Clinochalcomenite, a new mineral of selenite. Kexue Tongbao: 25: 427-433.
Lo, K., Chen, Z., Ma, Z. (1984) The crystal structure of clinochalcomenite. Kexue Tongbao: 29: 352-355.
Pasero, M., Perchiazzi, N. (1989) Chalcomenite from Baccu Locci, Sardinia, Italy: mineral data and structure refinement. Neues Jahrbuch für Mineralogie, Monatshefte: 1989: 551-556.
Robinson, P.D., Gupta, P.K.S., Swihart, G.H., Houk, L. (1992) Crystal structure, H positions, and the Se lone pair of synthetic chalcomenite, Cu(H2O)2[SeO3]. American Mineralogist: 77: 834-838.
Krivovichev, V.G., Tarasevich, D.A., Charykova, M.V., Britvin, S.N., Siydra, O.Y., Depmaier, W. (2011) Thermodynamics of arsenates, selenites and sulphates in the sulfide ore oxidation zone. V. Chalcomenite and its synthetic analogue, properties and conditions of the forming. Zapiski RMO (Proceedings of the Russian Mineralogical Society): 140: 1-9.
Charykova, M.V., Lelet, M.I., Krivovichev, V.G., Ivanova, N.M., Suleimanov, E.V. (2017) A calorimetric and thermodynamic investigation of the synthetic analogue of chalcomenite, CuSeO3·2H2O. European Journal of Mineralogy: 29: 269-277.

Internet Links for ChalcomeniteHide

Localities for ChalcomeniteHide

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.
  • La Rioja Province
    • General Lamadrid department
Paar W H, Topa D, Makovicky E, Sureda R J, de Brodtkorb M K, Nickel E H, Putz H (2004) Jaguéite, Cu2Pd3Se4, a new mineral species from El Chire, La Rioja, Argentina, The Canadian Mineralogist 42, 1745-1755
      • Villa Castelli
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 639 (as "Sierra de Umango"); Economic Geology (1997) 92, 468-484.; American Mineralogist, 35 (1950), 354 (as "Sierra de Umango")
Paar W H, Topa D, Roberts A C, Criddle A J, Amann G, Sureda R J (2002) The new mineral species brodtkorbite, Cu2HgSe2, and the associated selenide assemblage from Tuminico, Sierra de Cacho, La Rioja, Argentina. The Canadian Mineralogist 40, 225-237; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127.
American Mineralogist 35 (1950), 354; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 639; Economic Geology (1997) 92, 468-484.
Recursos Minerales de la Republica Argentina, E. O. Zappettini Ed., Buenos Aires 1999 ISSN 0328-2325; de Brodtkorb, M. K.; Gay, H. D.; Sureda, R. J. (1993): Polymetallic selenide-sulfide minerals of the Los Llantenes mining district, La Rioja, Argentina. Maurice, Yvon T. (Ed.), Proc. 8th Quadrenn. IAGOD Symp., 119-125.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 639.
    • Vinchina Department
Sarp, H. & G.Burri, Schweiz. Mineral.Petrogr. Mitt. 67, 219-223(1987)
  • Mendoza Province
    • Luján de Cuyo department
      • Cacheuta
Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127.
Des Cloizeaux, A., Damour, A.A. (1881) Note sur la chalcoménite, nouvelle espèce minérale (sélénite de cuivre). Bulletin de la Société Minéralogique de France: 4: 51-55.; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 639.
Ahlfeld Friedrich and Angelelll Vlctorio 1948 Las especies minerales de la Republica Argentina Univ Nac Tucumftn Inst Geologla y Mineria Jujuy Pub no 458 p 47 48 49 50 54 67 69 70 71 120 121 133 134
  • Western Australia
    • East Pilbara Shire
      • Rudall River District
Nickel, Ernest H. (2002): An Unusual Occurrence of Pd, Pt, Au, Ag, and Hg Mineralisation in the Pilbara Region of Western Australia. Canadian Mineralogist. 40: 419-433.
  • Potosí
    • Antonio Quijarro Province
[MinRec 21:141]; Grundmann, G. and Förster H.-J. (2017) Origin of the El Dragón Selenium Mineralization, Quijarro Province, Potosí, Bolivia. Minerals, 7(5), 68; doi:10.3390/min7050068
    • Chayanta Province
      • Pakajake Canyon (Pacajake Canyon)
Petrov, A., Smith, B., Smith, C. (2001) A Guide to Mineral Localities in Bolivia. Mineralogical Record Vol.32(6), pp. 457-482. Hurlbut, C.S., Aristarain, L.F. (1969) Olsacherite Pb₂(SeO₄)(SO₄), A New Mineral from Bolivia. The American Mineralogist. Vol.5, November-December, pp. 1519-1527.
  • Ontario
    • Algoma District
      • Peever Township
Trail,R.J. 1980, Catalogue of Canadian Minerals, GSC Paper 80-18
  • Saskatchewan
    • Beaverlodge Lake area
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; http://www.ir.gov.sk.ca/dbsearch/MinDepositQuery/default.aspx?ID=1371
J. Traill (1952) Synthesis and x-ray study of uranium sulphate minerals . American Mineralogist 37:394-406.
        • Beaverlodge Lake
ROBINSON, S.C. & BROOKER, E.J. (1952): A cobalt - nickel - copper selenide from the Goldfields district, Saskatchewan, Canada. American Mineralogist 37, 542-544.
Collected and analyzed by Gunnar Farber.
  • Hubei
    • Enshi Autonomous Prefecture (E'xi Autonomous Prefecture)
      • Enshi Co.
Linbo Yao and Zhenmin Gao (2002): Mineral Deposits 21(suppl.), 837-840; Handong Qian, Zhenghua Zhao, Xiang Zheng, Chengyi Lin, Jiahu Zeng, Xuemei Wu, and Wu Chen (2006): Acta Geologica Sinica 80(11), 1706-1710; Hanjie Wen, Carignan, J., Yuzhuo Qiu, and Shirong Liu (2006): Environmental Science and Technology 40(4), 1126-1132; Liu, Jiajun, Ye Cao, Emmanuel John M. Carranza, Caixia Feng, Degao Zhai, Jianping Wang, and Jingxian Li. "Characterization of Secondary Native Selenium in the Yutangba Se Deposit, Western Hubei, C hina." Resource Geology 64, no. 3 (2014): 271-281.
  • Jiangxi
    • Shangrao
      • Dexing Co.
        • Dexing Cu-Mo-Au ore field
          • Dexing copper mine
Jingxian Li and Jiajun Liu (2014): Resources & Industries 16(2), 90-97
Czech Republic
  • Olomouc Region
    • Jeseník District
      • Javorník
Sejkora J., Škoda R., Pauliš P. 2006: Selenium mineralization of the uranium deposit Zálesí, Rychlebské Hory Mts., Czech Republic. Mineralogia Polonica - Special Papers, vol. 28, 196-198
  • Vysočina Region
    • Žďár nad Sázavou District
      • Rožná
        • Rožná deposit
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 2. část. (Kutna Hora, issue 2
DR Congo
  • Lualaba
    • Kolwezi mining district
      • Kolwezi
Gauthier, Gilbert, François, Armand, Deliens, Michel, Piret, P. (1989) Famous Mineral Localities: The Uranium Deposits of the Shaba Region, Zaire. Mineralogical Record, 20(4), 265-288; 304 [280].; Deliens, M. (1996) Overzicht van de mineralogie van de koper-, kobalt- en uraniumvoorkomens in Zuid-Shaba (Zaïre). Pages 35-49 in: Schatten der Aarde. Van mineraal tot juweel. Tentoonstelling in de abdij Saint-Gérard de Brogne van 27 april tot 27 oktober 1996. Catalogus opgemaakt onder de leiding van R. Warin, AGAB en P. Van hee, MKA (in Dutch).; Wilson, W.E. (2018) The Musonoi mine, Kolwezi District, Lualaba Province, Democratic Republic of the Congo. Mineralogical Record, 49(2), 236-304.; http://www.champ-hannut.be/fichierpdf/Rev%20SP%202017%20NL.pdf
  • Auvergne-Rhône-Alpes
    • Puy-de-Dôme
      • Olloix
H. Agrinier and J. Geffroy : "Les Minéraux Séléniés du Point Uranifère de Liauzun-en-Olloix (Puy de Dôme) : Clausthalite, Sélénium Natif, Sélénite de Plomb et Chalcoménite", Bull. Soc. Fr. Minéral. Cristallogr., 1967, XC, N°3, 383-386
  • Occitanie
    • Aveyron
      • Asprières
Lheur, C. (2016) - Nouvelle occurrence française de minéraux séléniés : la munakataite et la chalcoménite de La Vidale, Asprières, Aveyron, France. Le Règne Minéral, 127, 19-21.
        • La Vidale vein
Boisson, J.-M. & Leconte, J. (2014): Analyses 2012-2013 MNHN-MICROMONTEURS. La revue de Micromonteurs, 21.
  • Lower Saxony
    • Goslar District
      • Langelsheim
        • Lautenthal
Wittern: "Mineralfundorte in Deutschland", 2001
  • Thuringia
    • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
  • Munster
    • Co. Kerry
Francis, J.G. & Ryback, G. (1987) Mineralogical Magazine, vol. 51, 751.; Ryback, G., Nawaz, R. and Farley, E. (1988) Seventh Supplementary List of British Isles Minerals (Irish). Mineralogical Magazine, vol. 52, n° 365, pp. 267-274.
  • Sardinia
    • South Sardinia Province
      • Villaputzu
Pasero M. & Perchiazzi N.(1989): Chalcomenite from Baccu Locci, Sardinia, Italy: mineral data and structure refinement. N. Jb. Miner., Mh., H. 12, 551-556 and [AmMin 85:1563]; Campostrini, I. & Gramaccioli, C. M. (2001): Selenium-rich secondary minerals from the Baccu Locci mine (Sardinia, Italy). Neues Jahrbuch fuer Mineralogie, Abhandlungen 177, 37-59.; Campostrini, I., Gramaccioli, C. M. and Demartin, F. (1999): Orlandiite, Pb3Cl4(SeO3)3•H2O, a new mineral species, and an associated lead-copper selenite chloride from the Baccu Locci mine, Sardinia, Italy. Can. Mineral. 37, 1493-1498
  • Sonora
    • Moctezuma Municipality
      • Moctezuma
Panczner, W.D. (1987) Minerals of Mexico. Van Nostrand Reinhold Company, New York, 459 pages.
  • Buskerud
    • Kongsberg
      • Underberget Mining Field
Pavel M. Kartashov analytical data (2013)
  • Andalusia
    • Córdoba
      • El Guijo
A. Carmona & I. Ramos Collection.
  • Östergötland County
    • Valdemarsvik
Sandström, F. (2007): Skrikerum. Litiofilen 24 (1), 22-38
  • England
    • Cornwall
      • St Just
        • Botallack
          • Botallack Mine
Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
  • Arizona
    • Cochise County
      • Middle Pass Mining District
[MinRec 11:265]
        • Middlemarch Mine (Missouri Mine; Missouri shaft; Morning Glory shaft)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 164.
  • California
    • Inyo Co.
      • Inyo Mts (Inyo Range)
        • Malpais Mesa
Paul M. Adams (2017) The Santa Rosa mine, Inyo County, California. Minerlogical Record 48:755-777
    • Mono Co.
      • Bodie Hills
        • Masonic Mining District
          • Masonic Mountain
MarekC pers. coll. 2017-2018
          • New York Hill
Kampf, A.R., Housley, R.M., Rossman, G.R., Marty, J., Chorazewicz, M. (2018) Bodieite, Bi3+2(Te4+O3)2(SO4), a New Mineral from the Tintic District, Utah, and the Masonic District, California, USA. Canadian Mineralogist: 56: 763-772.
  • Colorado
    • Moffat Co.
      • Skull Creek Mining District (Blue Mountain Mining District)
Minerals of Colorado (1997) Eckel, E. B.
    • San Miguel Co.
      • Slick Rock Mining District
Travis Olds collection; Kampf, A. R., Plášil, J., Nash, B. P., & Marty, J. (2019). Ammoniomathesiusite, a new uranyl sulfate–vanadate mineral from the Burro mine, San Miguel County, Colorado, USA. Mineralogical Magazine, 83(1), 115-121.
      • Uravan Mining District
Self collected by Brent Thorne and EDS and XRD analyzed.
  • Nevada
    • Pershing Co.
      • Antelope Mining District
[MinRec 16:63]; Jensen, M. (1993): Update on the mineralogy of the Majuba Hill mine, Pershing County. Mineralogical Record. 24, 171-180.
  • Utah
    • Grand Co.
      • Polar Mesa Mining District
Collected by and in the collection of Brent Thorne. EDS confirmed.
    • San Juan Co.
      • La Sal Quadrangle
Collected by and in the collection of Brent Thorne.
Mineral and/or Locality  
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