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Tundrite-(Ce)

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Big Photo

Khibiny Station, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Pavel M. Kartashov

Show Tundrite-(Ce) Photos (15)



Formula:
Na
 
2
Ce
 
2
Ti(SiO
 
4
)(CO
 
3
)
 
2
O
 
2
System:TriclinicColour:Yellow-brown, ...
Hardness:3
Name:Named after its discovery locality.


Tundrite Group.

Closely related to kihlmanite-(Ce).

Classification of Tundrite-(Ce)

IMA status:Approved
Strunz 8th edition ID:8/B.16-40
Nickel-Strunz 10th (pending) edition ID:9.AH.10

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
Dana 8th edition ID:17.1.11.

17 : COMPOUND CARBONATES
1 : Miscellaneous
Hey's CIM Ref.:17.4.15

17 : Silicates Containing other Anions
4 : Silicates with carbonates
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Type Occurrence of Tundrite-(Ce)

Type Locality:Lepkhe-Nel'm Mt (Lepkhe-Nelm; Nepkha), Seidozero Lake, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Tundrite-(Ce)

Lustre:Greasy, Silky
Colour:Yellow-brown, green-yellow
Hardness (Mohs):3

Crystallography of Tundrite-(Ce)

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 7.5702(6) Å, b = 13.949(2) Å, c = 5.0235(5) Å
α = 100.19(1)°, β = 70.88(1)°, γ = 101.26(1)°
Ratio:a:b:c = 0.543 : 1 : 0.36
Unit Cell Volume:V 487.91 ų
Z:2

Optical Data of Tundrite-(Ce)

Type:Biaxial (+)
RI values: nα = 1.743 nβ = 1.800 nγ = 1.880
Maximum Birefringence:δ = 0.137

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

Chemical Properties of Tundrite-(Ce)

Formula:
Na
 
2
Ce
 
2
Ti(SiO
 
4
)(CO
 
3
)
 
2
O
 
2
Essential elements:C, Ce, Na, O, Si, Ti
All elements listed in formula:C, Ce, Na, O, Si, Ti

Relationship of Tundrite-(Ce) to other Species

Structurally related to group(s):
Tundrite Group
Related Minerals - Nickel-Strunz Grouping):

- +
9.AH.05Iimoriite-(Y)
Y
 
2
[SiO
 
4
][CO
 
3
]
9.AH.10Tundrite-(Nd)
Na
 
3
(Nd,La)
 
4
(Ti,Nb)
 
2
(SiO
 
4
)
 
2
(CO
 
3
)
 
3
O
 
4
(OH) · 2H
 
2
O
9.AH.15Spurrite
Ca
 
5
(SiO
 
4
)
 
2
(CO
 
3
)
9.AH.20Ternesite
Ca
 
5
(SiO
 
4
)
 
2
(SO
 
4
)
9.AH.25Britholite-(Ce)
Ca
 
2
(Ce,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(OH,F)
9.AH.25Britholite-(Y)
Ca
 
2
(Y,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(OH,F)
9.AH.25Ellestadite-(Cl)
Ca
 
10
(SiO
 
4
)
 
3
(SO
 
4
)
 
3
Cl
 
2
9.AH.25Fluorbritholite-(Ce)
Ca
 
2
(Ce,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(F,OH)
9.AH.25Fluorellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
F
9.AH.25Hydroxylellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(OH)
9.AH.25Mattheddleite
Pb
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(Cl,OH)
9.AH.25Tritomite-(Ce)
(Ce,La,Y,Th)
 
5
(Si,B)
 
3
(O,OH,F)
 
13
9.AH.25Tritomite-(Y)
(Y,Ca,La,Fe)
 
5
(Si,B,Al)
 
3
(O,OH,F)
 
13
9.AH.25Fluorcalciobritholite
(Ca,Ce)
 
5
 (SiO
 
4
,PO
 
4
)
 
3
F
9.AH.25Fluorbritholite-(Y)
Ca
 
2
(Y,Ca,Ln)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(F,OH)
Related Minerals - Hey's Index Grouping:

- +
17.4.1Tilleyite
Ca
 
5
(Si
 
2
O
 
7
)(CO
 
3
)
 
2
17.4.2Spurrite
Ca
 
5
(SiO
 
4
)
 
2
(CO
 
3
)
17.4.3Paraspurrite
17.4.4Scawtite
Ca
 
7
(Si
 
3
O
 
9
)
 
2
CO
 
3
 · 2H
 
2
O
17.4.5Fukalite
Ca
 
4
[Si
 
2
O
 
6
][CO
 
3
](OH)
 
2
17.4.6Meionite
Ca
 
4
Al
 
6
Si
 
6
O
 
24
CO
 
3
17.4.7Cancrinite
(Na,Ca,☐)
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
,SO
 
4
)
 
2
 · 2H
 
2
O
17.4.8Carletonite
KNa
 
4
Ca
 
4
Si
 
8
O
 
18
(CO
 
3
)
 
4
(OH,F) · H
 
2
O
17.4.9Iimoriite-(Y)
Y
 
2
[SiO
 
4
][CO
 
3
]
17.4.10Kainosite-(Y)
Ca
 
2
(Y,Ce)
 
2
(Si
 
4
O
 
12
)(CO
 
3
) · H
 
2
O
17.4.11Caysichite-(Y)
Ca
 
2
Y
 
2
Si
 
4
O
 
10
(CO
 
3
)
 
3
 · 4H
 
2
O
17.4.12Lepersonnite-(Gd)
Ca(Gd,Dy)
 
2
(UO
 
2
)
 
24
(SiO
 
4
)
 
4
(CO
 
3
)
 
8
(OH)
 
24
 · 48H
 
2
O
17.4.13Ashburtonite
Pb
 
4
Cu
 
4
(Si
 
4
O
 
12
)(HCO
 
3
)
 
4
(OH)
 
3
Cl · H
 
2
O
17.4.14Surite
(Pb,Ca)
 
3
(Al,Fe
2+
 
,Mg)
 
2
((Si,Al)
 
4
O
 
10
)(CO
 
3
)
 
2
(OH)
 
2
17.4.16Tundrite-(Nd)
Na
 
3
(Nd,La)
 
4
(Ti,Nb)
 
2
(SiO
 
4
)
 
2
(CO
 
3
)
 
3
O
 
4
(OH) · 2H
 
2
O

Other Names for Tundrite-(Ce)

Other Languages:
German:Tundrit-(Ce)
Russian:Тундрит-(Ce)

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 Tundrite-(Ce)

Reference List:

- +
American Mineralogist (1965): 50: 2097.

American Mineralogist (1968): 53: 1780.

American Mineralogist (1974): 59: 633.

Shumyatskaya, N.G., Voronkov, A.A., Ilyukhin, V.V., and Belov, N.V. (1976) Tundrite, Na2Ce2TiO2[SiO4](CO3)2 - refinement of the crystal structure and chemical formula. Soviet Physics – Crystallography: 21: 399-404.

Neues Jahrbuch für Mineralogie, Monatshefte (1982): 11: 481-494.

J.D.Grice, Rowe, R., Poirier, P., and Wight, Q. (2008): Tundrite-(Ce) from Mont Saint-Hilaire, Quebec, crystal-structure analysis and species characterization: Canadian Mineralogist 46, 413-422.

Internet Links for Tundrite-(Ce)

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    • Localities for Tundrite-(Ce)

    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.
    Hide Locality List
    (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
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Greenland
     
    • Kitaa Province (West Greenland)
      • Narsaq
    		Semenov, Evgenii Ivanovich, M. E. Kazakova & R. A. Aleksandrova. 1967. The Lovozero Minerals - Nenadkevichite, Gerassimovskite and Tundrite - from Ilîmaussaq, South Greenland. Meddelelser om Grønland. 181(5 1.del) [published with 181(5), 2.del]
    Univ, Copenhagen deacquisition
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		Pavel M. Kartashov data; L. Kruszewski collection (analysed; Ce-dominant)
          • Lovozero Massif
            • Seidozero Lake
    		Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
    Pavel M. Kartashov data; Semenov E.I. (1972) Mineralogy of Lovozero alkaline massif, - Moscow, Nauka, p. 308 (in Rus.)
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