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About Fluocerite-(Ce)Hide

Light yellow; darkening to yellow- and red-brown; colourless to pale pink (transmitted light)
Vitreous, Resinous, Pearly
4½ - 5
Specific Gravity:
5.93 - 6.14
Crystal System:
In allusion to its composition containing FLUOrine and CERium, plus the "-(Ce)" suffix due to cerium being the dominant rare earth element (REE).
The cerium analogue of fluocerite-(La) and (orthorhombic) waimirite-(Y).

Classification of Fluocerite-(Ce)Hide

Approved, 'Grandfathered' (first described prior to 1959)

A : Simple halides, without H2O
C : M:X = 1:3

3 : AX3

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
7 : Halides of the rare earth metals

Pronounciation of Fluocerite-(Ce)Hide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of Fluocerite-(Ce)Hide

Vitreous, Resinous, Pearly
Transparent, Translucent
Light yellow; darkening to yellow- and red-brown; colourless to pale pink (transmitted light)
4½ - 5 on Mohs scale
{0001} distinct; {11_20} indistinct.
Irregular/Uneven, Splintery, Sub-Conchoidal
5.93 - 6.14 g/cm3 (Measured)    

Optical Data of Fluocerite-(Ce)Hide

Uniaxial (-)
RI values:
nω = 1.612 - 1.618 nε = 1.607 - 1.611
Max Birefringence:
δ = 0.005 - 0.007
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of Fluocerite-(Ce)Hide

IMA Formula:

Crystallography of Fluocerite-(Ce)Hide

Crystal System:
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
Cell Parameters:
a = 7.131 Å, c = 7.286 Å
a:c = 1 : 1.022
Unit Cell V:
320.86 ų (Calculated from Unit Cell)
Crystals prismatic [0001] or tabular {0001}. Massive, coarsely granular.

Crystal StructureHide

Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0009548Fluocerite-(Ce)Cheetham A K, Fender B E F, Fuess H, Wright A F (1976) A powder neutron diffraction study of lanthanum and cerium trifluorides Acta Crystallographica B32 94-971976synthetic0293
0017893Fluocerite-(Ce)Oftedal I (1929) Ueber die Kristallstruktur von Tysonit und einigen kuenstlich dargestellten Lanthanidenfluoriden _cod_database_code 1010976 Zeitschrift fur Physikalische Chemie 5 272-29219290293
CIF Raw Data - click here to close

Type Occurrence of Fluocerite-(Ce)Hide

Synonyms of Fluocerite-(Ce)Hide

Other Language Names for Fluocerite-(Ce)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
11 photos of Fluocerite-(Ce) associated with Bastnäsite-(Ce)Ce(CO3)F
4 photos of Fluocerite-(Ce) associated with FluoriteCaF2
4 photos of Fluocerite-(Ce) associated with RutileTiO2
3 photos of Fluocerite-(Ce) associated with HematiteFe2O3
2 photos of Fluocerite-(Ce) associated with Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
2 photos of Fluocerite-(Ce) associated with CryoliteNa2NaAlF6
2 photos of Fluocerite-(Ce) associated with Monazite-(Ce)Ce(PO4)
1 photo of Fluocerite-(Ce) associated with Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
1 photo of Fluocerite-(Ce) associated with Kuliokite-(Y)Y4Al(SiO4)2(OH)2F5
1 photo of Fluocerite-(Ce) associated with Yttrofluorite(Ca1-xYx)F2+x where 0.05< x

Related Minerals - Nickel-Strunz GroupingHide

3.AC.15Fluocerite-(La)(La,Ce)F3Trig. 3m (3 2/m) : P3c1

Related Minerals - Dana Grouping (8th Ed.)Hide,Ce)F3Trig. 3m (3 2/m) : P3c1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.7.2Fluocerite-(La)(La,Ce)F3Trig. 3m (3 2/m) : P3c1
8.7.3Tveitite-(Y)(Y, Na)6Ca6Ca6(Ca,Na)F42Trig. 3 : R3
8.7.4Gagarinite-(Y)NaCaYF6Hex. 6/m : P63/m

Other InformationHide

Soluble in H2SO4 but virtually unaffected by HCl or HNO3.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Fluocerite-(Ce)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Berzelius (1818): 6: 56 (as Neutralt flussspatssyradt).
Allen and Comstock (1880) American Journal of Science: 19: 390.
Hillebrand (1899) American Journal of Science: 7: 51.
Flink (1910) Arkiv för Kemi, Mineralogi och Geologi, Stockholm: 3: 1.
Koechlin (1912) Mineralogische und petrographische Mitteilungen, Vienna: 31: 528.
Geijer (1921) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 43: 19.
Oftedal (1931) Zeitschrift für Physikalische Chemie, Leipzig, Berlin: Abteilung B: 13: 190.
Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 48.
Cheetham, A. K., Fender, B. E. F., Fuess, H., Wright, A. F. (1976): A powder neutron diffraction study of lanthanum and cerium trifluorides. Acta Crystallographica B32, 94-97.
Mineralogical Magazine (1983): 47: 41.
Neues Jahrbuch für Mineralogie, Monatshefte (1994): 529.
Mineralogical Record (1990): 21: 429.
Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (1997) Handbook of Mineralogy, Volume III. Halides, Hydroxides, Oxides. Mineral Data Publishing, Tucson, AZ, 628pp.: 203.
American Mineralogist (1987): 72: 1031 (Appendix 2).

Internet Links for Fluocerite-(Ce)Hide

Localities for Fluocerite-(Ce)Hide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Mt Babbage area (Inlier)
Wulser PA et al. U-Th-REE mobility in and around the Mt Painter & Mt Babbage inliers, Northern Flinders Ranges, South Australia. 2005, Abstracts Geol. Soc. Austra. Vol.78
  • Amazonas
    • Presidente Figueiredo
      • Pitinga mine
A. C. Bastos Neto, V. P. Pereira, L. H. Ronchi, E. F. de Lima and J. C. Frantz (2009): The world-class Sn, Nb, Ta, F (Y, REE, Li) deposit and the massive cryolite associated with the albite-enriched facies of the Madeira A-type granite, Pitinga mining district, Amazonas State, Brazil. Canadian Mineralogist 47, 1329-1357.; Horbe, A. M. C., & da Costa, M. L. (1999). Geochemical evolution of a lateritic Sn–Zr–Th–Nb–Y–REE-bearing ore body derived from apogranite: the case of Pitinga, Amazonas—Brazil. Journal of Geochemical Exploration, 66(1), 339-351.
  • Bahia
    • Novo Horizonte
      • Tapera
Menezes Filho, Luiz A.D. (2016)
  • Minas Gerais
    • Ouro Preto
      • Cachoeira do Campo district
        • Dom Bosco
Hussak and Prior (1900) Mineralogical Magazine: 12: 244.
Gysi, A. and Williams-Jones A.: (2013) Hydrothermal Mobilization of pegmatite hosted REE and Zr at Strange Lake, Canada; a reaction path model; Geo et Cosm Acta v. 122 p. 324-352
  • Hebei
    • Zhangjiakou
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
  • Xinjiang
    • Akesu Prefecture (Aksu Prefecture; Aqsu Prefecture)
      • Baicheng Co. (Bay Co.)
Jingwu Yin, Guowu Li, Guangming Yang, Xiangkun Ge, Haiming Xu and Jun Wang (2015) Fluornatropyrochlore, a new pyrochlore supergroup mineral from the Boziguoer rare earth element deposit, Baicheng County, Akesu, Xinjiang, China. Canadian Mineralogist. 53,455-460
  • Southwest Finland
    • Kimitoön (Kemiönsaari)
Ilkka Mikkola collection, XRD and EPMA
    • Pargas
      • Iniö
Chemical analysis (Laht i & Suominen 1988)
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Wolfach
          • Oberwolfach
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); KOLITSCH, U., GRÖBNER, J. & BAYERL, R. (1995): Die Mineralien der Silber-Antimon-Vererzungen der Grube Clara im Zeitraum 1993 bis 1995. - Erzgräber 9 (2), 61-77. ; KOLITSCH, U. & GÖTZINGER, M. (2000): Einige Neufunde aus der Grube Clara im mittleren Schwarzwald: Eulytin, Namibit, Volborthit, Gearksutit, Spertiniit, Monazit-(La), Protasit, Sainfeldit, Cyanotrichit und Vauquelinit. - Erzgräber 14, 33-47.
  • Hesse
    • Giessen Region
      • Limburg-Weilburg
        • Hünfelden
          • Mensfelden
  • Saxony
    • Sächsische Schweiz-Osterzgebirge
      • Altenberg
Mineralien-Welt, (2), 17-39.
  • Erongo Region
    • Karibib Constituency
JAHN, St.; SCHNAITMANN, E.A.; NIEDERMAYR, G. (2010): Spektakuläre Neufunde aus dem Erongo (IV). - MINERALIEN-Welt (5), 60-66.
  • Nasarawa
Styles, M.T., Young, E.R. (1983) Fluocerite and its alteration products from the Afa Hills, Nigeria. Mineralogical Magazine: 47: 41-46.
  • Agder
    • Iveland
      • Birkeland
Neumann, H. & Bergstøl, S. (1963): Contributions to the mineralogy of Norway No.17. Cerianite from cleavelandite pegmatite dykes in Iveland. Norsk Geologisk Tidsskrift 43,247-255
Frigstad, O. F. (1999): Amazonittpegmatitter i Iveland-Evje. Bergverksmuseets Skrift 15: 60-73.
      • Kåbuland
Neumann, H. & Bergstøl, S. (1963): Contributions to the mineralogy of Norway No.17. Cerianite from cleavelandite pegmatite dykes in Iveland. Norsk Geologisk Tidsskrift 43,247-255 + Neumann (1985, p. 51).
  • Nordland
    • Hamarøy
      • Drag
Sverdrup, T.L., Sæbø,P.Chr. & Bryn, K.Ö. (1965): Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45: 177-188
Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum.Skrift 38: 5-28
    • Narvik
Neumann, H. (1959): Contributions to the mineralogy of Norway. No. 1. An introduction. Norsk Geologisk Tidskrift. 39, 231-236.
  • Vestfold og Telemark
    • Drangedal
      • Tørdal
Sverdrup, T.L., Sæbø,P.Chr. & Bryn, K.Ö. (1965): Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45: 177-188
Larsen, A.O. (1982): Mineralene i Skarsfjell pegmatittbrudd, Tørdal. in Geologisk Museum. Interne notater 1961-1990. Published by Geologisk Museums Venner, Oslo 1991, p 101
  • Azores
    • São Miguel
Samples collected by Luigi Chiappino and analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA; Lavarde, S., Chiappino, L., Alves, P., Astolfi, M., (2019) Les Minéraux du massif volcanique du Fogo, Ile de São Miguel, Açores, Portugal. Le Règne Mineral, 145, 30-50
  • Zabaykalsky Krai
P.M. Karashov data
South Africa
  • Gauteng
    • City of Tshwane Metropolitan Municipality
S. Weinert (2006) Locality Data Sheet ML35 (South African Micromount Society); Rocks & Minerals 83:5 pp 410-421; Birtel, S., Kern, M., Höfig, T. W., Krause, J., & Gutzmer, J. (2015). Geometallurgical Assessment: Beneficiation of Rare Earth Minerals as a Possible By-Product from the Vergenoeg Fluorite Mine, South Africa. In Proceedings of the 13th Biennial SGA Meeting (mineral resources in a sustainable world), Nancy, France (pp. 1383-1386).
  • Limpopo
    • Waterberg District
      • Naboomspruit (Mookgophong)
Atanasova, M., Cairncross, B. and Windisch, W.R. (2016) Microminerals of the Bushveld Complex, South Africa. Popular Geoscience Series 6, Council for Geoscience, Pretoria, South Africa, 79 pg
  • Northern Cape
    • ZF Mgcawu
      • Kai !Garib
        • Kenhardt
Cairncross, B., Dixon, R. (1995) Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa.
Sweden (TL)
  • Dalarna County
    • Falun
Nordstrom, Th. (1872): Om i Falutrakten förekommande mineralbrott. Geologiska Föreningen i Stockholm Förhandlingar. 1, 119-123; 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: 49.
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: 49; Mineralogical Magazine (1983): 47: 41. Kjellman (unpublished)
    • Säter
      • St. Skedevi
Weibull, M. (1886): Om fluoceriten från Österby i Dalarne. Geologiska Föreningens i Stockholm Förhandlingar 8, 496-500
  • Jämtland County
    • Bräcke
in the collection of NHM Stockholm
  • Västmanland County
    • Skinnskatteberg
      • Riddarhyttan
Öhman, L. , Nysten, P. and Langhof, J. (2004): Famous mineral localities: the Bastnäs mines - Riddarhyttan ore field, Bergslagen district, Västmanland, Sweden. The Mineralogical Record, 35 (3):187-200
  • California
    • San Bernardino Co.
      • Clark Mts (Clark Mountain Range)
        • Mountain Pass District
          • Mountain Pass
USGS Bulletin 2160
  • Colorado
    • Clear Creek Co.
      • Dailey Mining District (Jones Pass Mining District)
Minerals of Colorado (1997) Eckel, E. B.; USGS Open-File Report 80-661
    • El Paso Co.
Minerals of Colorado (1997) E.B. Eckel
"Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997
      • Mount Rosa
Minerals of Colorado (1997) Eckel, E. B.
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: 49.
Müller, M. M., Kleebe, H.-J., Lauterbach, S. and Zito, G. (2011): Crystallographic orientation relationship between bastnaesite, fluocerite and cerianite observed in a crystal from the pikes peak pegmatites. Z. Kristallogr. 226 (2011) 467-475.
    • Jefferson Co.
      • South Platte Pegmatite Mining District
Mineralogical Record: 21: 429; Rocks & Minerals: 64: 471.
    • Park Co.
Jim Hall
    • Teller Co.
Rocks & Minerals: 63: 457.
  • New Hampshire
    • Carroll Co.
      • Albany
Rocks & Minerals (1990): 65: 295.
    • Grafton Co.
      • Bethlehem
Nashua Min. Soc. Disp. Cat., 1995; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
  • New York
John H. Betts (2009) "The minerals of New York City", Rocks & Minerals, 84, 204-240.
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