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Cleusonite

Big Photo

Kaiserer quarry, Hüttwinkl valley, Rauris valley, Hohe Tauern Mts, Salzburg, Austria
© AL

Show Cleusonite Photos (4)
Formula:
(Pb,Sr)(U
4+
 
,U
6+
 
)(Fe
2+
 
,Zn)
 
2
(Ti,Fe
2+
 
,Fe
3+
 
)
 
18
(O,OH)
 
38
System:TrigonalColour:Black
Name:For the type locality


A member of the Crichtonite Group

Cleusonite is partly metamict. The radiation damage results in macroscopic swelling (i. e. variable density and unit cell dimensions) and also makes the mineral appear optically isotropic. The calculated density and the crystallographical data given here are those of a crystal treated at 1000 °C.

Classification of Cleusonite

IMA status:Approved 1998
Strunz 8th edition ID:4/C.09-90
Nickel-Strunz 10th (pending) edition ID:4.CC.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
C : With large and medium-sized cations
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Type Occurrence of Cleusonite

Type Locality:Cleuson lake, Nendaz Valley, Wallis (Valais), Switzerland
General Appearance of Type Material:cm-sized tabular crystals
Geological Setting of type material:greenschist facies metamorphosed gneissic series of the Mont Fort and Siviez-Mischabel Nappes

Physical Properties of Cleusonite

Lustre:Sub-Metallic
Diaphaneity (Transparency):Opaque
Colour:Black
Density (measured):4.74 - 4.93 g/cm3
Density (calculated):5.27 g/cm3

Crystallography of Cleusonite

Crystal System:Trigonal
Class (H-M):3 - Pyramidal
Space Group:R3
Cell Parameters:a = 10.385Å, c = 20.9Å
Ratio:a:c = 1 : 2.013
Unit Cell Volume:V 1,952.05 ų (Calculated from Unit Cell)
Morphology:multiple rhombohedra and hexagonal prisms
Twinning:generally twinned

Optical Data of Cleusonite

Type:Isotropic
Colour in reflected light:light grey to white

Chemical Properties of Cleusonite

Formula:
(Pb,Sr)(U
4+
 
,U
6+
 
)(Fe
2+
 
,Zn)
 
2
(Ti,Fe
2+
 
,Fe
3+
 
)
 
18
(O,OH)
 
38
All elements listed in formula:Fe, H, O, Pb, Sr, Ti, U, Zn
Common Impurities:Al,Mn,V

Relationship of Cleusonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.CC.05Chrombismite
Bi
 
16
CrO
 
27
4.CC.10Freudenbergite
Na
 
2
(Ti,Fe)
 
8
O
 
16
4.CC.15Grossite
CaAl
 
4
O
 
7
4.CC.20Mayenite
Ca
 
12
Al
 
14
O
 
33
4.CC.25Yafsoanite
Ca
 
3
Zn
 
3
[TeO
 
6
]
 
2
4.CC.30Latrappite
(Ca,Na)(Nb,Ti,Fe)O
 
3
4.CC.30Lueshite
NaNbO
 
3
4.CC.30Natroniobite
NaNbO
 
3
4.CC.30Perovskite
CaTiO
 
3
4.CC.30Barioperovskite
BaTiO
 
3
4.CC.30IMA2007-014
Ca(Zr,Sn,Ti)O
 
3
4.CC.35Loparite-(Ce)
(Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O
 
3
4.CC.35Macedonite
PbTiO
 
3
4.CC.35Tausonite
SrTiO
 
3
4.CC.35Isolueshite
(Na,La,Ca)(Nb,Ti)O
 
3
4.CC.40Crichtonite
(Sr,La,Ce,Y)(Ti,Fe
3+
 
,Mn)
 
21
O
 
38
4.CC.40Davidite-(Ce)
(Ce,La)(Y,U,Fe)(Ti,Fe)
 
20
(O,OH)
 
38
4.CC.40Davidite-(La)
(La,Ce)(Y,U,Fe)(Ti,Fe)
 
20
(O,OH)
 
38
4.CC.40Davidite-(Y)
(Y,Ce,La,Ca,□)(U,Y)(Fe
3+
 
,Mg)
 
2
(Ti,Fe
3+
 
,Cr,�)
 
18
O
 
38
4.CC.40Landauite
NaMnZn
 
2
(Ti,Fe)
 
6
Ti
 
12
O
 
38
4.CC.40Lindsleyite
(Ba,Sr)(Ti,Zr,Fe,Cr)
 
21
O
 
38
4.CC.40Loveringite
(Ca,Ce)(Ti,Fe,Cr,Mg)
 
21
O
 
38
4.CC.40Mathiasite
K(Ti,Cr,Fe,Mg,Zr)
 
21
O
 
38
4.CC.40Senaite
Pb(Ti,Fe,Mn)
 
21
O
 
38
4.CC.40Dessauite-(Y)
(Sr,Pb)(Y,U)(Ti,Fe
3+
 
)
 
20
O
 
38
4.CC.40Gramaccioliite-(Y)
(Pb,Sr)(Y,Mn)(Ti,Fe
3+
 
)
 
18
Fe
3+
2
O
 
38
4.CC.45Diaoyudaoite
NaAl
 
11
O
 
17
4.CC.45Hawthorneite
BaMgTi
 
3
Cr
 
4
Fe
 
4
O
 
19
4.CC.45Hibonite
(Ca,Ce)(Al,Fe,Ti,Si,Mg)
 
12
O
 
19
4.CC.45Lindqvistite
Pb
 
2
(Mg,Fe)Fe
 
16
O
 
27
4.CC.45Magnetoplumbite
(Pb,Mn)(Fe,Mn)
 
12
O
 
19
4.CC.45Plumboferrite
PbFe
 
4
O
 
7
4.CC.45Yimengite
K(Cr,Ti,Fe,Mg)
 
12
O
 
19
4.CC.45Haggertyite
Ba[Fe
2+
6
Ti
 
5
Mg]O
 
19
4.CC.45Nežilovite
PbZn
 
2
(Mn
4+
 
,Ti
4+
 
)
 
2
Fe
3+
8
O
 
19
4.CC.45Batiferrite
Ba[Ti
 
2
Fe
3+
8
Fe
2+
2
]O
 
19
4.CC.50Jeppeite
(K,Ba)
 
2
(Ti,Fe)
 
6
O
 
13
4.CC.55Zenzénite
Pb
 
3
(Fe,Mn)
 
4
Mn
 
3
O
 
13
4.CC.60Mengxianminite
(Ca,Na)
 
3
(Fe,Mn)
 
2
Mg
 
2
(Sn,Zn)
 
5
Al
 
8
O
 
29

Other Names for Cleusonite

Synonyms:
IMA1998-070PlumbodaviditeUranium-rich Senaite
Other Languages:

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 Cleusonite

Reference List:Wülser, P.-A., Meisser, N., Brugger, J., Schenk, K., Ansermet, S., Bonin, M., Bussy, F. (2005): Cleusonite, (Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38, a new mineral species of the crichtonite group from the western Swiss Alps. European Journal of Mineralogy, 17, 933-942

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    Localities for Cleusonite

    Hide Locality List
    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.
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    (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.
    Austria
     
    • Carinthia
      • Hohe Tauern Mts
        • Hafner group
          • Rennweg
            • Katschberg Mt.
    		Niedermayr, G. et al. (2007): Neue Mineralfunde aus Österreich LVI. Carinthia II, 197/117, 149-190.
    • Salzburg
      • Hohe Tauern Mts
        • Rauris valley
          • Hüttwinkl valley
    		Gerhard Brandstetter collection (analysed)
    China
     
    • Shaanxi Province
      • Shangluo Prefecture
        • Luonan Co.
    		Wang Deyin (1981), Plumbodavidite - a new variety of davidite. Kexue Tongbao 26/10, 915-919
    Republic of Macedonia
     
    P.-A. Wülser et al.: Eur. J. Mineral. 17:933-942 (2005)
    Switzerland
     
    • Wallis (Valais)
      • Anniviers Valley
        • Saint-Luc
    		Wulser P.A. et al. 2005, Eur. J. Mineral. 17, 933-942
      • Nendaz Valley
    		P.-A. Wülser et al.: Eur. J. Mineral. 17:933-942 (2005)
    Mineral and/or Locality
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