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Zirsilite-(Ce)

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Sagåsen Quarry (Sagasen Quarry; Strandåsen Quarry; Saga 3 Quarry), Sagåsen (Strandåsen), Mørje, Porsgrunn, Telemark, Norway
© OT. Ljostad

Show Zirsilite-(Ce) Photos (3)
Formula:
Na
 
11-12
(Ce,Na)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
System:TrigonalColour:Creamy white
Hardness:5
Name:For its chemical composition


Eudialyte Group

Classification of Zirsilite-(Ce)

IMA status:Approved 2002
Strunz 8th edition ID:8/E.25-56
Nickel-Strunz 10th (pending) edition ID:9.CO.10

9 : SILICATES (Germanates)
C : Cyclosilicates
O : [Si9O27]18- 9-membered rings
Dana 8th edition ID:64.1.5.

64 : CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
1 : Rings with Other Anions and Insular Silicate Groups with mixed ring types
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Type Occurrence of Zirsilite-(Ce)

Type Locality:Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan
General Appearance of Type Material:replacing grains and pseudorhombohedral crystals of eudialyte
Geological Setting of type material:Pegmatite
Associated Minerals at type locality:
Stillwellite-(Ce)PyrochlorePolylithioniteMicroclineKentbrooksite
GalenaFluoriteEkaniteCarbokentbrooksiteCalcite
Aegirine

Physical Properties of Zirsilite-(Ce)

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Creamy white
Streak:white
Hardness (Mohs):5
Tenacity:Brittle
Cleavage:None Observed
Fracture:Conchoidal
Density (measured):3.15 g/cm3

Crystallography of Zirsilite-(Ce)

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Cell Parameters:a = 14.25Å, c = 30.07Å
Ratio:a:c = 1 : 2.11
Unit Cell Volume:V 5,288.03 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
3.22 (100)
2.98 (95)

Chemical Properties of Zirsilite-(Ce)

Formula:
Na
 
11-12
(Ce,Na)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
All elements listed in formula:C, Ca, Ce, H, Mn, Na, Nb, O, Si, Zr

Relationship of Zirsilite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.CO.10Alluaivite
Na
 
19
(Ca,Mn)
 
6
(Ti,Nb)
 
3
Si
 
26
O
 
74
Cl·2H
 
2
O
9.CO.10Eudialyte
Na
 
15
Ca
 
6
(Fe
2+
 
,Mn
2+
 
)
 
3
Zr
 
3
[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Ferrokentbrooksite
Na
 
15
Ca
 
6
(Fe,Mn)
 
3
Zr
 
3
NbSi
 
25
O
 
73
(O,OH,H
 
2
O)
 
3
Cl
 
2
9.CO.10Kentbrooksite
(Na,REE)
 
15
(Ca,REE)
 
6
(Mn
2+
 
,Fe
2+
 
)
 
3
Zr
 
3
Nb[Si
 
25
O
 
74
]F
 
2
·2H
 
2
O
9.CO.10Khomyakovite
Na
 
12
Sr
 
3
Ca
 
6
Fe
 
3
Zr
 
3
W[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Manganokhomyakovite
Na
 
12
Sr
 
3
Ca
 
6
Mn
 
3
Zr
 
3
W[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Oneillite
Na
 
15
Ca
 
3
Mn
 
3
Fe
2+
3
Zr
 
3
Nb(Si
 
25
O
 
73
)(O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Raslakite
Na
 
15
Ca
 
3
Fe
2+
3
(Na,Zr)
 
3
Zr
 
3
Nb
 
<0.5
[(Cl,OH)|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · 3(OH,H
 
2
O)
9.CO.10UM1999-37-SiO:CaClFeHMnNaREESrTiZr
(Si, Na, Ca, REE, Mn, Nb, Zr, Ti, Cl, Ba, Fe, K, O)
9.CO.10Feklichevite
Na
 
11
Ca
 
9
(Fe
3+
 
,Fe
2+
 
)
 
2
Zr
 
3
Nb[Si
 
25
O
 
73
](OH,H
 
2
O,Cl,O)
 
5
9.CO.10Carbokentbrooksite
Na
 
11-12
(Na,Ce)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
9.CO.10Ikranite
(Na,H
 
3
O)
 
15
(Ca,Mn
2+
 
)
 
6
Fe
3+
2
Zr
 
3-4
[Cl|(H
 
0-3
Si
 
3
O
 
9
)
 
2
|{(Si
 
9
O
 
27
)
 
2
,(Si
 
9
O
 
27
)
 
2
SiO}] · 2-3H
 
2
O
9.CO.10Taseqite
Na
 
12
Sr
 
3
Ca
 
6
Fe
 
3
Zr
 
3
Nb[Cl
 
2
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · 3(O,OH,H
 
2
O)
9.CO.10Rastsvetaevite
Na
 
27
K
 
8
Ca
 
12
Fe
 
3
Zr
 
6
Si
 
52
O
 
144
(O,OH,H
 
2
O)
 
6
Cl
 
2
9.CO.10Golyshevite
[Na
 
10
Ca
 
3
]Ca
 
6
Zr
 
3
Fe
 
2
SiNb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
] · H
 
2
O
9.CO.10Labyrinthite
(Na,K,Sr)
 
35
Ca
 
12
Fe
 
3
Zr
 
6
TiSi
 
51
O
 
144
(O,OH,H
 
2
O)
 
9
Cl
 
3
9.CO.10Johnsenite-(Ce)
Na
 
12
(Ce,La,Sr,Ca)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
W[(OH,Cl)
 
2
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
9.CO.10Mogovidite
Na
 
9
(Ca,Na)
 
5
Ca
 
6
Zr
 
3
Fe
 
2
(Si,Nb)[(OH,H
 
2
O)
 
3
|Cl
 
0.3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
]
9.CO.10Georgbarsanovite
Na
 
12
(Mn,Sr,REE)
 
3
Ca
 
6
Fe
2+
3
Zr
 
3
NbSi
 
25
O
 
76
Cl
 
2
·H
 
2
O
9.CO.10Aqualite
(H
 
3
O)
 
8
(Na,K,Sr)
 
5
Ca
 
6
Zr
 
3
Si
 
26
O
 
66
(OH)
 
9
Cl
9.CO.10Dualite
Na
 
30
(Ca,Na,Ce,Sr)
 
12
(Na,Mn,Fe,Ti)
 
6
Zr
 
3
Ti
 
3
Mn[Si
 
51
O
 
144
](OH,H
 
2
O,Cl)
 
9
9.CO.10Andrianovite
Na
 
12
(K,Sr,Ce)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb(Si
 
25
O
 
73
)(O,H
 
2
O,OH)
 
5
9.CO.10IMA2007-023
Na
 
15
(Na,Ca,Ce)
 
3
(Mn,Ca)
 
3
Fe
 
3
Zr
 
3
Si
 
26
O
 
72
(OH,O)
 
4
Cl·H
 
2
O

Other Names for Zirsilite-(Ce)

Synonyms:
IMA2002-057
Other Languages:
German:Zirsilith-(Ce)

Other Information

Fluorescence in UV light:none
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 Zirsilite-(Ce)

Reference List:Khomyakov, A.P., Dusmatov, V.D., Ferraris, G., Gula, A., Ivaldi, G., and Nechelyustov, G.N. (2003) Zirsilite-(Ce), (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73(OH)3(CO3)·H2O, and carbokentbrooksite, (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O, two new eudialyte-group minerals from the Dara-i-Pioz alkaline massif, Tajikistan. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 132(5): 40-51.

Lapis (2004): 29(2): 41.

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    Localities for Zirsilite-(Ce)

    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.
    Canada
     
    • Québec
      • Rouville Co.
        • Mont Saint-Hilaire
    		Grice, J.D. & Gault, R.A. (2006): Johnsenite-(Ce), a new member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. Canadian Mineralogist 44:105-115
    Norway
     
    • Telemark
      • Porsgrunn
        • Mørje
          • Sagåsen (Strandåsen)
    		A. O. Larsen, A. Åsheim and R. A. Gault, 2005.
    Tajikistan
     
    • Region of Republican Subordination
      • Tien Shan Mts
        • Alayskiy (Alai) Range
    		A.P. Khomyakov et al.: ZVMO 132(5):40-51 (2003)
    Mineral and/or Locality
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