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Tritomite-(Ce)

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Formula:
(Ce,La,Y,Th)
 
5
(Si,B)
 
3
(O,OH,F)
 
13
Colour:Dark brownHardness:
Member of:Britholite Group > Apatite Supergroup
Name:From Greek "tria", three, plus "tome", cut, alluding to the trihedral cavities that its acute rhomohedra left imprinted on its accompanying gangue minerals.


Britholite Group

Classification of Tritomite-(Ce)

IMA status:Approved
Strunz 8th edition ID:8/B.33-40
Nickel-Strunz 10th (pending) edition ID:9.AH.25

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
Dana 8th edition ID:54.2.5.1

54 : NESOSILICATES Borosilicates and Some Beryllosilicates
2 : Borosilicates and Some Beryllosilicates with B in [4] coordination
Hey's CIM Ref.:17.5.22

17 : Silicates Containing other Anions
5 : Borosilicates
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Type Occurrence of Tritomite-(Ce)

Type Locality:Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, Norway

Physical Properties of Tritomite-(Ce)

Lustre:Vitreous, Resinous
Diaphaneity (Transparency):Opaque
Colour:Dark brown
Hardness (Mohs):

Chemical Properties of Tritomite-(Ce)

Formula:
(Ce,La,Y,Th)
 
5
(Si,B)
 
3
(O,OH,F)
 
13
Simplified for copy/paste:(Ce,La,Y,Th)5(Si,B)3(O,OH,F)13
Essential elements:Ce, O, Si
All elements listed in formula:B, Ce, F, H, La, O, Si, Th, Y

Relationship of Tritomite-(Ce) to other Species

Member of:Britholite Group > Apatite Supergroup
Other Members of Group:

- +
Britholite-(Ce)
Ca
 
2
(Ce,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(OH,F)
Britholite-(La)
Britholite-(Y)
Ca
 
2
(Y,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(OH,F)
Fluorbritholite-(Ce)
Ca
 
2
(Ce,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(F,OH)
Fluorbritholite-(Y)
Ca
 
2
(Y,Ca,Ln)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(F,OH)
Fluorcalciobritholite
(Ca,Ce)
 
5
(SiO
 
4
,PO
 
4
)
 
3
F
Tritomite-(Y)
(Y,Ca,La,Fe)
 
5
(Si,B,Al)
 
3
(O,OH,F)
 
13
Related Minerals - Nickel-Strunz Grouping):

- +
9.AH.05Iimoriite-(Y)
Y
 
2
[SiO
 
4
][CO
 
3
]
9.AH.10Tundrite-(Ce)
Na
 
2
Ce
 
2
Ti(SiO
 
4
)(CO
 
3
)
 
2
O
 
2
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-(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:

- +
17.5.1Manandonite
Li
 
2
Al
 
4
(Si
 
2
AlB)O
 
10
(OH)
 
8
17.5.2Reedmergnerite
Na[BSi
 
3
O
 
8
]
17.5.3Searlesite
Na(H
 
2
BSi
 
2
O
 
7
)
17.5.4Olenite
Na(Al
 
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
O
 
3
(OH)
17.5.5Elbaite
Na(Li
 
1.5
Al
 
1.5
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
17.5.6Kalborsite
K
 
6
Al
 
4
BSi
 
6
O
 
20
(OH)
 
4
Cl
17.5.7Boromuscovite
KAl
 
2
(BSi
 
3
O
 
10
)(OH)
 
2
17.5.8Poudretteite
KNa
 
2
B
 
3
Si
 
12
O
 
30
17.5.9Liddicoatite
Ca(Li
 
2
Al)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
17.5.10Datolite
Ca(HBSiO
 
5
)
17.5.11Danburite
CaB
 
2
Si
 
2
O
 
8
17.5.12Howlite
Ca
 
2
B
 
5
SiO
 
9
(OH)
 
5
17.5.13Bakerite
Ca
 
4
(H
 
5
B
 
5
Si
 
3
O
 
20
)
17.5.14Oyelite
Ca
 
10
Si
 
8
B
 
2
O
 
29
· 12.5H
 
2
O
17.5.15Kornerupine
Mg
 
3
Al
 
6
(Si,Al,B)
 
5
O
 
21
(OH)
17.5.16Harkerite
Ca
 
12
Mg
 
4
Al(BO
 
3
)
 
3
(SiO
 
4
)
 
4
(CO
 
3
)
 
5
· H
 
2
O
17.5.17Serendibite
(Ca,Na)
 
2
(Mg,Fe
2+
 
)
 
3
(Al,Fe
3+
 
)
 
3
[O
 
2
|(Si,Al,B)
 
6
O
 
18
]
17.5.18Stillwellite-(Ce)
(Ce,La,Ca)BSiO
 
5
17.5.19Tadzhikite-(Ce)
(Ca,Ce)
 
4
(Ce,Y)
 
2
(Ti
4+
 
,Fe
3+
 
,Al)[B
 
4
Si
 
4
O
 
22
](OH)
 
2
17.5.20Melanocerite-(Ce)
(Ce,Ca)
 
5
(SiO
 
4
,BO
 
4
)
 
3
(OH,0)
17.5.21Okanoganite-(Y)
(Na,Ca)
 
3
(Y,Ce)
 
12
Si
 
6
B
 
2
O
 
27
F
 
14
17.5.23Tritomite-(Y)
(Y,Ca,La,Fe)
 
5
(Si,B,Al)
 
3
(O,OH,F)
 
13
17.5.24Cappelenite-(Y)
Ba(Y,Ce)
 
6
Si
 
3
B
 
6
O
 
24
F
 
2
17.5.25Dumortierite
(Al,Fe
3+
 
)
 
7
(SiO
 
4
)
 
3
(BO
 
3
)O
 
3
17.5.26Holtite
(Ta
 
0.6
 
0.4
)Al
 
6
BSi
 
3
O
 
18
(O,OH)
 
2.25
17.5.27Dravite
Na(Mg
 
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
17.5.28 Ferridravite
17.5.29Axinite-(Mg)
Ca
 
2
MgAl
 
2
BSi
 
4
O
 
15
OH
17.5.30Uvite
Ca(Mg
 
3
)MgAl
 
5
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(F/OH)
17.5.31Garrelsite
Ba
 
3
NaSi
 
2
B
 
7
O
 
16
(OH)
 
4
17.5.32Tienshanite
KNa
 
3
Na
 
6
Ca
 
2
Ba
 
6
Mn
 
6
(Ti
4+
 
,Nb)
 
6
B
 
12
Si
 
36
O
 
114
(O,OH,F)
 
11
17.5.33Leucosphenite
BaNa
 
4
Ti
 
2
B
 
2
Si
 
10
O
 
30
17.5.34Taramellite
Ba
 
4
(Fe
3+
 
,Ti,Fe
2+
 
,Mg)
 
4
(B
 
2
Si
 
8
O
 
27
)O
 
2
Cl
 
x
17.5.35Titantaramellite
Ba
 
4
(Ti,Fe
3+
 
,Fe
2+
 
,Mg)
 
4
(B
 
2
Si
 
8
O
 
27
)O
 
2
Cl
 
x
17.5.36Nagashimalite
Ba
 
4
(V,Ti)
 
4
B
 
2
Si
 
8
O
 
27
(O,OH)
 
2
Cl
17.5.37Chromium-dravite
Na(Mg
 
3
)Cr
3+
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
17.5.38Wawayandaite
Ca
 
6
Mn
 
2
BBe
 
9
Si
 
6
O
 
23
(OH,Cl)
 
15
17.5.39Werdingite
(Mg,Fe)
 
2
Al
 
14
Si
 
4
B
 
4
O
 
37
17.5.40Axinite-(Mn)
Ca
 
2
Mn
2+
 
Al
 
2
BSi
 
4
O
 
15
(OH)
17.5.41Axinite
17.5.42Tinzenite
(CaMn
2+
 
)
 
2
Mn
2+
 
Al
 
2
BSi
 
4
O
 
15
(OH)
17.5.44Schorl
Na(Fe
2+
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
17.5.45Fluor-buergerite
Na(Fe
3+
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
O
 
3
F
17.5.46Feruvite
Ca(Fe
2+
 
)
 
3
MgAl
 
5
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
17.5.47Axinite-(Fe)
Ca
 
2
Fe
2+
 
Al
 
2
BSi
 
4
O
 
15
OH
17.5.48Homilite
Ca
 
2
(Fe
2+
 
,Mg)B
 
2
Si
 
2
O
 
10
17.5.49Grandidierite
(Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
3
(SiO
 
4
)(BO
 
3
)O
 
2
17.5.50Hyalotekite
(Pb,Ba,K)
 
4
(Ca,Y)
 
2
(B,Be)
 
2
(Si,B)
 
2
Si
 
8
O
 
28
(F,Cl)
17.5.51Hellandite-(Y)
(Ca,REE)
 
4
Y
 
2
Al(Be,Li)
 
2-x
B
 
4
Si
 
4
O
 
22
(OH)
 
2

Other Names for Tritomite-(Ce)

Other Languages:
German:Tritomit-(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 Tritomite-(Ce)

Reference List:

- +
- Weibye, P. C. (1850): Neue Mineralien aus Norwegen, beschrieben von P.H. [sic!] Weibye; analysirt von N.J. Berlin, K.A. Sjögren und J.B. von Borck (Erster Theil). [1.Tritomit, 2. Katapleiit, 3.Atheriasit, 4. Eudnophit.], Annalen der Physik und Chemie (herausgegeben zu Berlin von J.C. Poggendorff), 79: 299-304

American Mineralogist (1962): 47: 9-25.

Internet Links for Tritomite-(Ce)

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  • Look for Tritomite-(Ce) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Tritomite-(Ce) details from Handbook of Mineralogy (PDF)
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  • Localities for Tritomite-(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.
    (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.
    Norway
     
    • Telemark
      • Porsgrunn
        • Langangen
          • Slevolden
    Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179
        • Mørje
          • Sagåsen
    Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100
    Larsen, A.O., Åsheim, A. and Gault, R. A. (2005): Minerals of the eudialyte group from the Sagåsen larvikite quarry, Porsgrunn, Norway. Norsk Bergverksmuseum Skrifter 30: 58-62
    T. Engvoldsen (1990).
    • Vestfold
      • Larvik
        • Langesundsfjorden
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
          • Barkevik area
            • Kjeøya
    Svein A. Berge observation 1991
    Svein A. Berge observation in field 1978
    Svein A. Berge collection (find 1975)
    Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineral.16. 663 pp
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240p
    Weibye, P. C. (1850): Neue Mineralien aus Norwegen, beschrieben von P.H. [sic!] Weibye; analysirt von N.J. Berlin, K.A. Sjögren und J.B. von Borck (Erster Theil). [1.Tritomit, 2. Katapleiit, 3.Atheriasit, 4. Eudnophit.], Annalen der Physik und Chemie (herausgegeben zu Berlin von J.C. Poggendorff), 79: 299-304
          • Stokkøya (Stokø; Stockö; Stocköe)
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p.
          • Vesle Arøya
    Engvoldsen, T., Andersen, F., Berge, S. A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18 (1), 15-71
        • Tjølling
          • Håkestad
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
        • Tvedalen
    K.E.Larsen collection
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
      • Sandefjord
    Berge, S. A. & Hansen, R. (1975): Mineraler fra Sandefjord. NAGS-nytt nr 1, 10-12 (in norwegian)
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Buriatia (Buryatia)
          • Mama River Basin
            • Maigunda River
    Pavel m. kartashov data
    Sweden
     
    • Småland
      • Jönköping
        • Gränna
    Thulin, H. (1996): Norra Kärr. Litiofilen 13: 17-51 ; Thulin, H. (2000): Norra Kärr-Några nya fynd och undersökningar. Litiofilen, 17 (2): 25-45: RRUFF specimen R060370
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