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Britholite-(Ce)

Big Photo

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany
© Fred Kruijen

Show Britholite-(Ce) Photos (14)
Formula:
Ca
 
2
(Ce,Ca)
 
3
[(OH,F)|(SiO
 
4
,PO
 
4
)
 
3
]
System:HexagonalHardness:5½


Britholite Group.

Classification of Britholite-(Ce)

IMA status:Approved
Strunz 8th edition ID:8/B.27-60
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:52.4.9.1

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Hey's CIM Ref.:17.6.15

17 : Silicates Containing other Anions
6 : Silicates with phosphate
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Type Occurrence of Britholite-(Ce)

Type Locality:Naujakasik (Naajakasik), Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland

Physical Properties of Britholite-(Ce)

Hardness (Mohs):5½

Crystallography of Britholite-(Ce)

Crystal System:Hexagonal

Optical Data of Britholite-(Ce)

Type:Uniaxial (+/-)
RI values: nα = 1.770 nβ = 1.810
Maximum Birefringence:δ = 1.770

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

Chemical Properties of Britholite-(Ce)

Formula:
Ca
 
2
(Ce,Ca)
 
3
[(OH,F)|(SiO
 
4
,PO
 
4
)
 
3
]
Essential elements:Ce, H, O, Si
All elements listed in formula:Ca, Ce, F, H, O, P, Si

Relationship of Britholite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):
9.AH.05Iimoriite-(Y)
Y
 
2
[CO
 
3
|SiO
 
4
]
9.AH.10Tundrite-(Ce)
Na
 
2
Ce
 
2
TiO
 
2
(SiO
 
4
)(CO
 
3
)
 
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.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-(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:
17.6.1Nagelschmidtite
Ca
 
7
[PO
 
4
|SiO
 
4
]
 
2
17.6.2Perhamite
(Ca,Sr)
 
3
Al
 
7.7
Si
 
3
P
 
4
O
 
23.5
(OH)
 
14.1
·8H
 
2
O
17.6.3Viséite
17.6.4Phosinaite
17.6.5Clinophosinaite
Na
 
12
(Ca,Sr)
 
4
(PO
 
4
)
 
4
(Si
 
4
O
 
12
)
17.6.6Karnasurtite-(Ce)
(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si,P)
 
2
O
 
7
(OH)
 
4
·3H
 
2
O
17.6.7Lomonosovite
Na
 
5
Ti
 
2
[O
 
2
|PO
 
4
|Si
 
2
O
 
7
]
17.6.8Bornemanite
BaNa
 
4
Ti
 
2
NbSi
 
4
O
 
17
(F,OH)·Na
 
3
PO
 
4
17.6.9Sobolevite
Na
 
12
Ca(NaCaMn)Ti
 
2
(Si
 
2
O
 
7
)
 
2
(PO
 
4
)
 
4
O
 
3
F
 
3
17.6.10Laplandite-(Ce)
Na
 
4
CeTiPO
 
4
Si
 
7
O
 
18
·5H
 
2
O
17.6.11 Vunonnemite
Na
 
5
TiNb
 
3
Si
 
6
O
 
25
F
 
2
·2Na
 
3
PO
 
4
17.6.12Saryarkite-(Y)
Ca(Y,Th)Al
 
5
(SiO
 
4
)
 
2
(PO
 
4
,SO
 
4
)
 
2
(OH)
 
7
·6H
 
2
O
17.6.13Steenstrupine-(Ce)
Na
 
14
Mn
2+
2
(Fe
3+
 
,Mn
3+
 
)
 
2
Ce
 
6
(Zr,Th)[(OH)
 
2
|HPO
 
4
|(PO
 
4
)
 
6
|(Si
 
6
O
 
18
)
 
2
]·2H
 
2
O
17.6.14Waylandite
(Bi,Ca)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
]
17.6.16Britholite-(Y)
Ca
 
2
(Y,Ca)
 
3
[(OH,F)|(SiO
 
4
,PO
 
4
)
 
3
]
17.6.17Eylettersite
(Th,Pb)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
] ?

Other Names for Britholite-(Ce)

Synonyms:
Ce-BritholiteIMA1987-s.p.LessingiteLessingite-(Ce)Pravdite
German names:
Ce-BritholitPravdit
Russian names:
Бритолит-(Ce)Лессингит-(Ce)
Spanish names:
Ce-BritholitaPravdita
Varieties:
Aluminian BritholiteCefluosilThorian Britholite-(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 Britholite-(Ce)

Reference List:Silberminz (1929) Comptes rendus de l’académie des sciences de l’U.R.S.S., series A, 55 (as Lessingite).

New Mineral Names, American Mineralogist (1930): 15: 242 (as Lessingite).

Zeitschrift für Kristallographie: 206: 233-246.

Oberti R, Ottolini L, Della Ventura G, Parodi G C (2001) On the symmetry and crystal chemistry of britholite: New structural and microanalytical data. American Mineralogist: 86: 1066-1075.

Internet Links for Britholite-(Ce)

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    Localities for Britholite-(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.
    Argentina
     
    • San Luis
    Australia
     
    • South Australia
      • Andamooka Ranges - Lake Torrens area
        • Roxby Downs
    		Lottermoser B. G. (1995). Neues.Jb. Miner. Mh.1995, 8, 371-384
      • Mt Lofty Ranges
        • North Mt Lofty Ranges
          • Yunta
    		 Brugger, J., Ogierman, J., Pring, A., Waldron, H., Kolitsch, U. (2006): Origin of the secondary REE-minerals at the Paratoo copper deposit near Yunta, South Australia. Mineralogical Magazine, 70, 609-627.
    Canada
     
    • Manitoba
    • Northwest Territories
    • Québec
      • Deux-Montagnes Co.
        • Oka complex
    Gold (1969) & Sabina (1968)
      • Rouville Co.
        • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
      • Témiscamingue Co.
        • Villedieu Township
          • Sheffield Lake
      • Verchères Co.
        • Varennes & St-Amable
          • Saint-Amable sill
    		Horváth Collection - confirmed by visual & XRD
    China
     
    • Hebei Province
      • Zhangjiakou Prefecture
        • Huailai Co.
    		Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): Mineralogy and Geology of Rare Earths in China. Science Press (Beijing), pp. 226.
    • Inner Mongolia Autonomous Region
      • Baotou League
        • Darhan Muminggan United Banner
          • Bayan Obo
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189
    • Shandong Province
      • Zaozhuang Prefecture
        • Xuecheng District
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189, 174 pp.
    • Sichuan Province
      • Liangshan Autonomous Prefecture
        • Mianning Co.
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Ilimaussaq complex
    		No reference listed
    Collection of NHM, Vienna
    Guinea
     
    G.C. Parodi and V. Chevrier : "New discoveries in nephelinites from Los island (Republic of Guinea)", 5th International Conference "Mineralogy & Museums", Paris, Sept. 5-8th 2004, Bull. de Liaison de la Soc. Franç. de Minéralogie et Cristallographie, 2004, Vol 16, N°2.
    Italy
     
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
          • Monte Somma
            • Ercolano
    		Orlandi, P., Perchiazzi, N., & Mannucci, G. (1989). First occurrence of britholite-(Ce) in Italy (Monte Somma, Vesuvius). European Journal of Mineralogy, 1, 723-725
    [var: Thorian Britholite-(Ce)] P. Orlandi et al. , Eur. J. Mineral. , 1989, 1, pp. 723-725.
            • Sant'Anastasia
    		Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
    • Latium
      • Rome Province
    		Federico, M., Peccerillo, A., (2002): Mineral chemistry and petrogenesis of granular ejecta from the Alban Hills volcano, Mineralogy and Petrology, Vol 74, 223-252
        • Campagnano di Roma
          • Sacrofano
            • Sacrofano Caldera
      • Viterbo Province
    		Lapis 28(12), 19-28 (2003)
    Kazakhstan
     
    Malawi
     
    • Balaka District
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    Mongolia
     
    • Gobi Desert
    		Ripp, G. S.; Karmanov, N. S.; Kanakin, S. V.; Doroshkevich, A. G.; Andreev, G. V. (2005): Cerium britholite from the Mushugai ore deposit (Mongolia). Zapiski Rossiiskogo Mineralogicheskogo Obshchestva 134, 90-103. (in Russian)
    • Hovd Aimag (Khovd Aimag)
      • Altai Mts
    		G.S. Ripp data
    North Korea
     
    • Kangwon Province
      • Pyonggang-gun
        • Nam-myon
          • Chonma-ri
            • Songna-san
    		Takubo, J. (1941) Journal of the Chemical Society of Japan, 62, 8.
    Norway
     
    • Telemark
      • Porsgrunn
    		Neumann (1985, p. 124).
          • Kokkersvold - Blåfjell
    		Larsen, A.O. & Åsheim,A.(1976):"Mineraler fra Langangen".NAGS-nytt 3(1),9-12. (in norwegian); Neumann (1985, p. 124).
          • Rønningen
    		Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179
          • Slevolden
    		Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179
        • Mørje
          • Sagåsen (Strandåsen)
    		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
    A. O. Larsen, A. Åsheim and R. A. Gault, 2005.
    • Vestfold
      • Larvik
        • Lågendalen
    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
        • Tjølling
          • Stålaker
    Raade (1971, pers. com.); Neumann (1985, p. 124).
    Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71.
    Collection of Peter Andresen.
    No reference listed
        • Vardaasen
    		Collection of Peter Andresen.
    Neumann (1985, p. 124).
        • Vesterøya
    		Knut Edvard Larsen collection
    Berge, S.A. & Hansen, R.(1976): "Mineraler i Sandefjordsområdet III-Varden". NAGS-nytt 3(4),13-16 (in norwegian);Neumann (1985, p. 124).
    Portugal
     
    • Azores District
      • San Miguel
        • Agua de Pau Mts
          • Agua de Pau volcano
    		Mineralogical Magazine, August 2003, V. 67, N° 4, pp. 749-767.
    Russia
     
    • Eastern-Siberian Region
      • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
        • Enisei Range (Yenisei Ridge; Enisei Ridge)
    		Kalyago, E. K. & Lapin, A. V. (1990): Britholite from metasomatites of the Kiisk alkaline massif (Enisei Ridge). Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 119, 107-110. (in Russian.)
      • Transbaikalia (Zabaykalye)
        • Buriatia (Buryatia) Republic
          • Mama River Basin
            • Maigunda River
    		P.M. Kartashov data
    • Far-Eastern Region
      • Khabarovskiy Kray
        • Verkhnebureinsky District
          • Verkhnii Mel'gin River
            • Turana Range
              • Chekunda Town
    		I.I. Kupriyanova Mineralogy of Chergilen rare earth deposit,- Moscow,1962, p.211, PhD dissertation.
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Afrikanda
    		www.koeln.netsurf.de/~w.steffens/afri.htm
    www.koeln.netsurf.de/~w.steffens/khib.htm
    Pavel M. Kartashov data
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    Pavel M. Kartashov data
    • Urals Region
      • Chelyabinsk Oblast'
        • Kyshtym (Kychtym; Kishtim)
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 290; P.M. Kartashov data
    South Africa
     
    • Gauteng Province
      • Pilanesberg Mt
    		Minerals of South Africa
    Minerals of South Africa
    South Korea
     
    • Chungcheongbukdo (Chungchong-pukto)
      • Chungju (Chung Won Kum; Chung-ju)
        • Joongwon-gun
          • Mt. Eorae
    		P.M. Kartashov data
    Spain
     
    • Castile-La Mancha
      • Albacete
        • Cancarix
    		E. Salvioli-mariani et al. , Eur. J. Mineral. , 1996, 8, pp. 1027-1039.
    Sweden
     
    • Medelpad
      • Sundsvall
    		No reference listed
    • Småland
      • Jönköping
        • Gränna
    		No reference listed
    Ukraine
     
    • Dnipropetrovs'k Oblast' (Dnepropetrovsk Oblast')
      • Ukrainian Shield
    • Donets'k Oblast' (Donetsk Oblast')
      • Azov Sea Region
    USA
     
    • Arkansas
      • Hot Spring Co.
      • Pulaski Co.
        • Little Rock
    • Colorado
      • Boulder Co.
        • Jamestown District
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
        • White Earth District (Powderhorn District)
    		"Minerals of Colorado, updated & revised", p. 17, by Eckel, Edwin B., 1997
    • Massachusetts
      • Norfolk Co.
        • Quincy
    • South Dakota
      • Custer Co.
        • Custer District
          • Custer
    		R&M 75:3 pp 156-169
    Mineral and/or Locality
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