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CuSeO3 · 2H2O
bluish green
Crystal System:
For relation to chalcomenite.
Originally reported from Gansu (Ganzu) Province, China.

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Classification of ClinochalcomeniteHide

Published without approval
Approval History:
Unapproved, but probably valid.

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 ClinochalcomeniteHide

bluish green
pale green

Optical Data of ClinochalcomeniteHide

Biaxial (-)
RI values:
nα = 1.675 nβ = 1.723 nγ = 1.765
Measured: 78° , Calculated: 82°
Max Birefringence:
δ = 0.090
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
r > v distinct

Chemical Properties of ClinochalcomeniteHide

CuSeO3 · 2H2O

Crystallography of ClinochalcomeniteHide

Crystal System:
Cell Parameters:
a = 8.17 Å, b = 8.61 Å, c = 6.29 Å
β = 97.27°
a:b:c = 0.949 : 1 : 0.731
Unit Cell V:
438.90 ų (Calculated from Unit Cell)

Other Language Names for ClinochalcomeniteHide

Simplified Chinese:单斜蓝硒铜矿
Traditional Chinese:單斜藍硒銅礦

Common AssociatesHide

Associated Minerals Based on Photo Data:
Chalcomenite4 photos of Clinochalcomenite associated with Chalcomenite on
Cobaltomenite2 photos of Clinochalcomenite associated with Cobaltomenite on
Penroseite2 photos of Clinochalcomenite associated with Penroseite on

Related Minerals - Nickel-Strunz GroupingHide

4.JH.05ChalcomeniteCuSeO3 · 2H2OOrth. 2 2 2 : P21 21 21
4.JH.10Ahlfeldite(Ni,Co)SeO3 · 2H2OMon. 2/m
4.JH.10CobaltomeniteCoSeO3 · 2H2OMon.
4.JH.15MandarinoiteFe3+2(SeO3)3 · 4H2OMon. 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 · 2H2OMon.,Co)SeO3 · 2H2OMon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

28.1.1ChalcomeniteCuSeO3 · 2H2OOrth. 2 2 2 : P21 21 21
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)2(OH)4 · 3H2OOrth. mm2 : Pmn21
28.1.10DemesmaekeritePb2Cu5(UO2)2(SeO3)6(OH)6 · 2H2OTric.
28.1.11MandarinoiteFe3+2(SeO3)3 · 4H2OMon. 2/m : P21/b
28.1.12CobaltomeniteCoSeO3 · 2H2OMon.
28.1.13Ahlfeldite(Ni,Co)SeO3 · 2H2OMon. 2/m

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 ClinochalcomeniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Luo Keding, Wei Jun, Zhang Jingyi, and Gu Qifang (1980): Clinochalcomenite, a new selenite mineral. Chinese Science Bulletin [Kexue Tongbao] 25(2), 85-89 (in Chinese). - American Mineralogist (1981), 66, 217 (abstract).
Lo, Keding; Chen, Zhangru; Ma, Zhesheng (1984): The crystal structure of clinochalcomenite. Kexue Tongbao (Foreign Language Edition) 29, 352-355.
Luo, Keding; Chen, Zhangru; Ma, Zhesheng (1983): Crystal structure of clinochalcomenite. Kexue Tongbao (Chinese Edition) 28, 47-49. (in Chinese)
Neues Jahrbuch für Mineralogie, Monatshefte (1990): 353-362.

Internet Links for ClinochalcomeniteHide

Localities for ClinochalcomeniteHide

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.
  • Potosí Department
    • Antonio Quijarro Province
[MinRec 21:133]
Luo Keding, Wei Jun, Zhang Jingyi, and Gu Qifang (1980): Kexue Tongbao 25, 427-433.
  • Auvergne-Rhône-Alpes
    • Puy-de-Dôme
      • Saint-Amant-Tallende
        • Olloix
Patrice Queneau Collection
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
  • Colorado
    • San Miguel Co.
      • Uravan District
Self collected by Brent Thorne and EDS and XRD analyzed.
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
Patrick Haynes, FOUR CORNERS MINERAL NEWS in New Mexico Mineral Symposium 2004
    • Grand Co.
      • Polar Mesa District (Polar Mesa)
Collected by and in the collection of Brent Thorne. EDS confirmed.
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