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Tundrite-(Ce)

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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada

Show Tundrite-(Ce) Photos (10)
Formula:
Na
 
2
Ce
 
2
TiO
 
2
(SiO
 
4
)(CO
 
3
)
 
2
System:TriclinicColour:Yellow-brown, ...
Hardness:3
Name:Named after its discovery locality.


Tundrite Group.

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

Relationship of Tundrite-(Ce) to other Species

Related to:
  • Tundrite Group
    • Related Minerals - Nickel-Strunz Grouping):

    - +
    9.AH.05Iimoriite-(Y)
    Y
     
    2
    		[CO
     
    3
    		|SiO
     
    4
    		]
    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.15Paraspurrite
    Ca
     
    5
    		[CO
     
    3
    		|(SiO
     
    4
    		)
     
    2
    		]
    9.AH.15Spurrite
    Ca
     
    5
    		[CO
     
    3
    		|(SiO
     
    4
    		)
     
    2
    		]
    9.AH.20Ternesite
    Ca
     
    5
    		[SO
     
    4
    		|(SiO
     
    4
    		)
     
    2
    		]
    9.AH.25Britholite-(Ce)
    Ca
     
    2
    		(Ce,Ca)
     
    3
    		[(OH,F)|(SiO
     
    4
    		,PO
     
    4
    		)
     
    3
    		]
    9.AH.25Britholite-(Y)
    Ca
     
    2
    		(Y,Ca)
     
    3
    		[(OH,F)|(SiO
     
    4
    		,PO
     
    4
    		)
     
    3
    		]
    9.AH.25Ellestadite-(Cl)
    Ca
     
    10
    		[Cl
     
    2
    		|(SO
     
    4
    		)
     
    3
    		|(SiO
     
    4
    		)
     
    3
    		]
    9.AH.25Fluorbritholite-(Ce)
    Ca
     
    2
    		(Ce,Ca)
     
    3
    		[(F,OH)|(SiO
     
    4
    		,PO
     
    4
    		)
     
    3
    		]
    9.AH.25Ellestadite-(F)
    Ca
     
    10
    		[(F,Cl,OH)
     
    2
    		|(SO
     
    4
    		)
     
    3
    		|(SiO
     
    4
    		)
     
    3
    		]
    9.AH.25Ellestadite-(OH)
    Ca
     
    10
    		[(OH,Cl,F)
     
    2
    		|(SO
     
    4
    		)
     
    3
    		|(SiO
     
    4
    		)
     
    3
    		]
    9.AH.25Mattheddleite
    Pb
     
    5
    		(Si
     
    1.2
    		S
     
    1.8
    		)O
     
    12
    		(Cl
     
    0.6
    		OH
     
    0.4
    		)
    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
    Related Minerals - Hey's Index Grouping:

    - +
    17.4.1Tilleyite
    Ca
     
    5
    		[(CO
     
    3
    		)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    17.4.2Spurrite
    Ca
     
    5
    		[CO
     
    3
    		|(SiO
     
    4
    		)
     
    2
    		]
    17.4.3Paraspurrite
    Ca
     
    5
    		[CO
     
    3
    		|(SiO
     
    4
    		)
     
    2
    		]
    17.4.4Scawtite
    Ca
     
    7
    		Si
     
    6
    		(CO
     
    3
    		)O
     
    18
    		·2H
     
    2
    		O
    17.4.5Fukalite
    Ca
     
    4
    		[CO
     
    3
    		|(HSiO
     
    4
    		)
     
    2
    		]
    17.4.6Meionite
    Ca
     
    4
    		[CO
     
    3
    		|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]
    17.4.7Cancrinite
    Na
     
    6
    		Ca
     
    2
    		[(CO
     
    3
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 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
    		[CO
     
    3
    		|SiO
     
    4
    		]
    17.4.10Kainosite-(Y)
    Ca
     
    2
    		(Y,Ce)
     
    2
    		Si
     
    4
    		O
     
    12
    		CO
     
    3
    		·H
     
    2
    		O
    17.4.11Caysichite-(Y)
    Y
     
    2
    		(Ca,Gd)
     
    2
    		Si
     
    4
    		O
     
    10
    		(CO
     
    3
    		)
     
    3
    		·4H
     
    2
    		O
    17.4.12Lepersonnite-(Gd)
    CaO(Gd,Dy)
     
    2
    		O
     
    3
    		·24UO
     
    3
    		·8CO
     
    2
    		·4SiO
     
    2
    		·60H
     
    2
    		O
    17.4.13Ashburtonite
    Pb
     
    4
    		Cu
     
    4
    		[(OH)
     
    3
    		|Cl|(HCO
     
    3
    		)
     
    4
    		|Si
     
    4
    		O
     
    12
    		] · H
     
    2
    		O
    17.4.14Surite
    Pb(Pb,Ca)(CO
     
    3
    		)
     
    2
    		(Al,Fe,Mg)
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(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: Canadin Mineralogist 46, 413(2008)

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  • Tundrite-(Ce) details from Handbook of Mineralogy (PDF)
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    Localities for Tundrite-(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
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		Pavel M. Kartashov data; L. Kruszewski collection (analysed; Ce-dominant)
          • Lovozero Massif
            • Seidozero Lake
    Pavel M. Kartashov data
    Mineral and/or Locality
    Google
     
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