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Sedovite

Big Photo

Picacho, Bacoachi, Mun. de Bacoachi, Sonora, Mexico
© 2008, J. Weissman

Formula:
U(MoO
 
4
)
 
2
System:OrthorhombicColour:Brown to reddish brown
Hardness:3
Name:Named after Georgii lakovkevich Sedov (1877-1914) Russian polar explorer.
This page provides mineralogical data about Sedovite.

Classification of Sedovite

IMA status:Approved
Strunz 8th edition ID:6/G.04-10
Nickel-Strunz 10th (pending) edition ID:7.HA.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
H : Uranium and uranyl molybdates and wolframates
A : With U4+
Dana 8th edition ID:48.4.1.1

48 : ANHYDROUS MOLYBDATES AND TUNGSTATES
4 : Miscellaneous
Hey's CIM Ref.:27.3.5

27 : Sulphites, Chromates, Molybdates and Tungstates
3 : Molybdates
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Type Occurrence of Sedovite

Type Locality:Kyzylsai Mo-U deposit, Chu-Ili Mts, Balqash (Balkhash; Karatas) Region, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan
Year of Discovery:1965

Physical Properties of Sedovite

Diaphaneity (Transparency):Translucent on thin edges, Opaque
Colour:Brown to reddish brown
Hardness (Mohs):3

Crystallography of Sedovite

Crystal System:Orthorhombic
Cell Parameters:a = 3.36Å, b = 11.08Å, c = 6.42Å
Ratio:a:b:c = 0.303 : 1 : 0.579
Unit Cell Volume:V 239.01 ų (Calculated from Unit Cell)

Optical Data of Sedovite

Type:Biaxial
Dispersion:extreme

Chemical Properties of Sedovite

Formula:
U(MoO
 
4
)
 
2
Essential elements:Mo, O, U
All elements listed in formula:Mo, O, U

Relationship of Sedovite to other Species

Related Minerals - Nickel-Strunz Grouping):
7.HA.10Cousinite
MgU
 
2
Mo
 
2
O
 
11
·6H
 
2
O
7.HA.15Moluranite
U(UO
 
2
)
 
2
Mo
 
5
O
 
19
·12H
 
2
O ?
Related Minerals - Hey's Index Grouping:
27.3.1Lindgrenite
Cu
 
3
[OH|MoO
 
4
]
 
2
27.3.2Powellite
Ca[MoO
 
4
]
27.3.3Wulfenite
Pb[MoO
 
4
]
27.3.4Koechlinite
(BiO)
 
2
[MoO
 
4
]
27.3.6Mourite
UMo
 
5
O
 
12
(OH)
 
10
27.3.7Iriginite
UO
 
2
Mo
 
2
O
 
7
·3H
 
2
O
27.3.8Umohoite
(UO
 
2
)MoO
 
4
·4H
 
2
O
27.3.9Moluranite
U(UO
 
2
)
 
2
Mo
 
5
O
 
19
·12H
 
2
O ?
27.3.10Cousinite
MgU
 
2
Mo
 
2
O
 
11
·6H
 
2
O
27.3.11Calcurmolite
(Ca,Na)
 
2
(UO
 
2
)
 
3
Mo
 
2
(O,OH)
 
11
·nH
 
2
O
27.3.12Tengchongite
CaO·6UO
 
3
·2MoO
 
3
·12H
 
2
O
27.3.13Kamiokite
Fe
 
2
Mo
 
3
O
 
8
27.3.14Ferrimolybdite
Fe
 
2
[MoO
 
4
]
 
3
 · nH
 
2
O

Other Names for Sedovite

German names:
Sedovit
Spanish names:
Sedovita

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 Sedovite

Reference List:American Mineralogist (1966): 51: 530.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 94: 548-554.

Internet Links for Sedovite

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    Localities for Sedovite

    (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.
    Kazakhstan
     
    • Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast')
      • Balqash (Balkhash; Karatas) Region
        • Chu-Ili Mts
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