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Clinochalcomenite

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Formula:
CuSeO
 
3
· 2H
 
2
O
System:MonoclinicColour:bluish green
Hardness:2
Name:For relation to chalcomenite.


Originally reported from Gansu (Ganzu) Province, China.

Classification of Clinochalcomenite

IMA status:Published without Approval 1981
Strunz 8th edition ID:4/K.07-10
Nickel-Strunz 10th (pending) edition ID:4.JH.10

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 edition ID:34.2.3.1
Dana 8th edition ID:34.2.3.1

34 : SELENITES, TELLURITES AND SULFITES
2 : A(XO3)·xH2O
Hey's CIM Ref.:28.1.2

28 : Selenites, Selenates, Tellurites, and Tellurates
1 : Selenites
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Physical Properties of Clinochalcomenite

Colour:bluish green
Streak:pale green
Hardness (Mohs):2
Cleavage:Perfect

Crystallography of Clinochalcomenite

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

Optical Data of Clinochalcomenite

Type:Biaxial (-)
RI values: nα = 1.675 nβ = 1.723 nγ = 1.765
2V:Measured: 78° , Calculated: 82°
Maximum Birefringence:δ = 0.090

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v distinct

Chemical Properties of Clinochalcomenite

Formula:
CuSeO
 
3
· 2H
 
2
O
Simplified for copy/paste:CuSeO3·2H2O
Essential elements:Cu, H, O, Se
All elements listed in formula:Cu, H, O, Se

Relationship of Clinochalcomenite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JH.05Chalcomenite
CuSeO
 
3
· 2H
 
2
O
4.JH.10Ahlfeldite
(Ni,Co)SeO
 
3
· 2H
 
2
O
4.JH.10Cobaltomenite
CoSeO
 
3
· 2H
 
2
O
4.JH.15Mandarinoite
Fe
3+
2
(SeO
 
3
)
 
3
· 4H
 
2
O
4.JH.20Orlandiite
Pb
 
10
(SeO
 
4
)O
 
7
Cl
 
4
· H
 
2
O
4.JH.20UM1999-29-SeO:ClCuHPb
Pb
 
4
Cu(SeO
 
3
)
 
3
(OH)Cl
 
3
4.JH.25Larisaite
Na(H
 
3
O)(UO
 
2
)
 
3
(SeO
 
3
)O
 
2
· 4H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
28.1.1Chalcomenite
CuSeO
 
3
· 2H
 
2
O
28.1.3Francisite
Cu
 
3
Bi(SeO
 
3
)
 
2
O
 
2
Cl
28.1.4Sofiite
Zn
 
2
(SeO
 
3
)Cl
 
2
28.1.5Molybdomenite
PbSeO
 
3
28.1.6Haynesite
(UO
 
2
)
 
3
(OH)
 
2
(SeO
 
3
)
 
2
· 5H
 
2
O
28.1.7Derriksite
Cu
 
4
(UO
 
2
)(SeO
 
3
)
 
2
(OH)
 
6
· H
 
2
O
28.1.8Marthozite
Cu(UO
 
2
)
 
3
(SeO
 
3
)
 
2
(OH)
 
2
· 7H
 
2
O
28.1.9Guilleminite
Ba(UO
 
2
)
 
3
(SeO
 
3
)
 
2
(OH)
 
4
· 3H
 
2
O
28.1.10Demesmaekerite
Pb
 
2
Cu
 
5
(UO
 
2
)
 
2
(SeO
 
3
)
 
6
(OH)
 
6
· 2H
 
2
O
28.1.11Mandarinoite
Fe
3+
2
(SeO
 
3
)
 
3
· 4H
 
2
O
28.1.12Cobaltomenite
CoSeO
 
3
· 2H
 
2
O
28.1.13Ahlfeldite
(Ni,Co)SeO
 
3
· 2H
 
2
O
Related Minerals - Dana Grouping):

- +
34.2.3.2Cobaltomenite
CoSeO
 
3
· 2H
 
2
O
34.2.3.3Ahlfeldite
(Ni,Co)SeO
 
3
· 2H
 
2
O

Other Names for Clinochalcomenite

Other Languages:
German:Clinochalcomenit
Spanish:Clinochalcomenita

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 Clinochalcomenite

Reference List:

- +
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 Clinochalcomenite

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  • External Links:
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  • Localities for Clinochalcomenite

    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.
    (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.
    Bolivia
     
    • Potosí Department
      • Antonio Quijarro Province
    [MinRec 21:133]
    China
     
    Luo Keding, Wei Jun, Zhang Jingyi, and Gu Qifang (1980): Kexue Tongbao 25, 427-433.
    Germany
     
    • Thuringia
      • Gera
        • Ronneburg U deposit
    T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    USA
     
    • 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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