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Fluorcalciopyrochlore

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About FluorcalciopyrochloreHide

Formula:
(Ca,Na)2(Nb, Ti)2O6F
Colour:
Brownish-yellow to reddish-orange
Lustre:
Adamantine, Greasy
Hardness:
5
Specific Gravity:
4.34 (Calculated)
Crystal System:
Isometric
Name:
For the chemical composition and relation to pyrochlore (now a generic name).
This page provides mineralogical data about Fluorcalciopyrochlore.


Classification of FluorcalciopyrochloreHide

Approved
Approval Year:
2013
First Published:
2017

Physical Properties of FluorcalciopyrochloreHide

Adamantine, Greasy
Transparency:
Transparent, Translucent
Comment:
On fractured surfaces
Colour:
Brownish-yellow to reddish-orange
Streak:
Light yellow
Hardness:
Cleavage:
None Observed
Parting:
None observed
Fracture:
Conchoidal
Density:
4.34 g/cm3 (Calculated)

Chemical Properties of FluorcalciopyrochloreHide

Formula:
(Ca,Na)2(Nb, Ti)2O6F
IMA Formula:
(Ca,Na)2(Nb,Ti)2O6F

Crystallography of FluorcalciopyrochloreHide

Crystal System:
Isometric
Cell Parameters:
a = 10.4164(9) Å
Unit Cell V:
1,130.19 ų (Calculated from Unit Cell)
Morphology:
As octahedra {111}, dodecahedra {110}, and cubes {100}, or combinations thereof, and generally range in size from 0.01 to 0.3 mm
Comment:
Fd3¯ m

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.041Å(9)
3.018Å(100)
2.613Å(17)
1.844Å(29)
1.571Å(15)
1.504Å(2)
1.303Å(2)
1.197Å(2)

Type Occurrence of FluorcalciopyrochloreHide

General Appearance of Type Material:
As octahedra {111}, dodecahedra {110}, and cubes {100}, or combinations thereof, and generally range in size from 0.01 to 0.3 mm
Place of Conservation of Type Material:
In the collections of the Laboratory of Crystal Structure, Scientific Research Institute, China University of Geosciences, Beijing, 100083, China, catalogue number XI-81
Geological Setting of Type Material:
A dolomite-type niobium rare-earth ore deposit.
Associated Minerals at Type Locality:

Synonyms of FluorcalciopyrochloreHide

Relationship of Fluorcalciopyrochlore to other SpeciesHide

Other Members of this group:
Cesiokenopyrochlore□Nb2(O,OH)6Cs1−x (x ∼ 0.20)Iso. m3m (4/m 3 2/m) : Fd3m
FluorhydropyrochloreA possible new species (See discussion in Atencio et al.
Fluorkenopyrochlore(□,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F
Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6FIso. m3m (4/m 3 2/m)
Fluorplumbopyrochlore(Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6FIso.
Fluorstrontiopyrochlore(Sr,□)2Nb2(O,OH)6F
Hydrokenopyrochlore(□,□)2Nb2O6·H2OIso. m3m (4/m 3 2/m) : Fd3m
Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxycalciopyrochlore(Ca,Na,U,□)2(Nb,Ti)2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxykenopyrochlore(□,Ce,Ba)2(Nb,Ti)2O6(OH,F)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxymanganopyrochlore(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH) Iso. m3 (2/m 3)
Hydroxynatropyrochlore(Na,Сa,Ce)2Nb2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxyplumbopyrochlore(Pb,Ca)2-x(Nb,Ti,Ta)2O6(OH)
Kenoplumbopyrochlore(Pb,□)Nb2O6(□,O)
OxycalciopyrochloreCa2Nb2O6OIso. m3m (4/m 3 2/m) : Fd3m
Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
OxyplumbopyrochlorePb2Nb2O6O
Oxyyttropyrochlore-(Y)(Y,◻)2Nb2O6O
Unnamed (Sb-analogue of Hydroxymanganopyrochlor)(Mn,Ca,Y)2(Sb,Ti)2O6(OH)

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Fluorcalciopyrochlore associated with TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
1 photo of Fluorcalciopyrochlore associated with FluorapatiteCa5(PO4)3F

Other InformationHide

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 FluorcalciopyrochloreHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Annalen Physik Chemie, (Poggendorff) (1826) 7, 417-427.
Atencio, D., Andrade, M.B., Christy, A.G., Gieré, R., and Kartashov, P.M. (2010) The Pyrochlore Supergroup of Minerals: Nomenclature. The Canadian Mineralogist: 48: 673-698.
Christy, A.G. and Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.
Li, G., Yang, G., Lu, F., Xiong, M., Ge, X., and Pan, B. (2013) Fluorcalciopyrochlore, IMA 2013-055. CNMNC Newsletter No. 17, October 2013, page 3003; Mineralogical Magazine: 77: 2997-3005.
Li, G., Yang, G., Lu, F., Xiong, M., Ge, X., Pan, B., and de Fourestier, J. (2016) Fluorcalciopyrochlore, a new mineral species from Bayan Obo, Inner Mongolia, P.R. China. Canadian Mineralogist: 54: 1285-1291.

Internet Links for FluorcalciopyrochloreHide

Localities for FluorcalciopyrochloreHide

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.
Angola
 
  • Huíla Province
    • Lubango City Council
Amores-Casals, S., Melgarejo, J. C., Bambi, A., Gonçalves, A. O., Morais, E. A., Manuel, J., ... & Molist, J. M. (2019). Lamprophyre-Carbonatite Magma Mingling and Subsolidus Processes as Key Controls on Critical Element Concentration in Carbonatites—The Bonga Complex (Angola). Minerals, 9(10), 601.
Canada
 
  • British Columbia
    • Kamloops Mining Division
      • Blue River carbonatites
        • Verity claim
Hogarth, D. (1961) A Study of Pyrochlore and Betafite, Canadian Mineralogist, v. 6, p. 610-633.
  • Québec
    • Laurentides
      • Deux-Montagnes RCM
        • Oka
Bideaux, R. (1997), v. 3, p. 457.
Hogarth, D. (1961) A Study of Pyrochlore and Betafite, Canadian Mineralogist, v. 6, p. 610-633.
RRUFF ID: R110198
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Chao, G.Y. unpublished analytical data
    • Outaouais
Hogarth, D. (1961) A Study of Pyrochlore and Betafite, Canadian Mineralogist, v. 6, p. 610-633.
    • Saguenay-Lac-Saint-Jean
      • Maria-Chapdelaine RCM
GROULIER, P.A., OHNENSTETTER, D., ANDRÉ-MAYER, A.S., MOUKHSIL, A. & SOLGADI, F. (2014)
China (TL)
 
  • Inner Mongolia
    • Baotou City (Baotou Prefecture)
      • Bayan Obo mining district
        • Bayan Obo
Li Guowu, Yang Guangming, Lu Fude, Xiong Ming, Ge Xiangkun and Pan Baoming (2013) Fluorcalciopyrochlore, IMA 2013-055 . CNMNC Newsletter No. 17, October 2013, page 3003; Mineralogical Magazine, 77, 2997-3005.
Denmark
 
  • Greenland
    • Kujalleq
      • Igaliku
        • Narsaarsuk Plateau
Bonazzi, P., Bindi, L., Zoppi, M., Capitani, G.C., and Olmi, F. (2006): Single-crystal diffraction and transmission electron microscopy studies of "silicified" pyrochlore from Narssârssuk, Julianehaab district, Greenland. American Mineralogist: 91: 794-801
Finland
 
  • Southwest Finland
    • Laitila
Pavel M. Kartashov analytical data 2019, Joel Dyer collection
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Ébreuil
        • Échassières
Rucheng Wang, Fontan, F., and Monchoux, P. (1994): Acta Petrologica et Mineralogica 13(2)
Germany
 
  • Baden-Württemberg
    • Freiburg
      • Breisgau-Hochschwarzwald
        • Vogtsburg im Kaiserstuhl
          • Schelingen
            • Orberg - Badberg area
Gunnar Färber
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Mendig
Blaß, G. and Kruijen, F. (2015) Neuigkeiten aus der Vulkaneifel (II/2015). Mineralien-Welt, 26(5), 80-90.
Madagascar
 
  • Diana
    • Ambanja
      • Antsirabe
Estrade, G. (2014): Le complexe cénozoïque alcalin d’Ambohimirahavavy à Madagascar: origine, évolution et minéralisations en métaux rares.- thèse de doctorat; Université de Toulouse, 256 pages + annexes.
Norway
 
  • Vestfold
    • Larvik
      • Brunlanes
Piilonen, P.C., Poirier, G., Rowe, R. & Larsen, A.O. (2013): Pyrochlore supergroup minerals from the alkaline pegmatites in the Larvik Plutonic Complex, southern Norway. Norsk Bergverksmuseum Skrift 50, 63-82.
Portugal
 
  • Azores
    • São Miguel Island
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
Russia
 
  • Chelyabinsk Oblast
Pavel Kartashov (2012) data
Pavel M. Kartashov analytical data of 2018
  • Krasnoyarsk Krai
Chebotarev, D. A., Doroshkevich, A. G., & Sharygin, V. V. (2017). Evolution and Formation Conditions for Pyrochlore-supergroup Minerals of Chuktukon Carbonatite Massif, Chadobets Upland (Krasnoyarsk Territory, Russia). In Magmatism of the Earth and related strategic metal deposits (pp. 47-50).; Doroshkevich, A. G., Chebotarev, D. A., Sharygin, V. V., Prokopyev, I. R., & Nikolenko, A. M. (2019). Petrology of alkaline silicate rocks and carbonatites of the Chuktukon massif, Chadobets upland, Russia: Sources, evolution and relation to the Triassic Siberian LIP. Lithos, 332, 245-260.
    • Enisei Range (Yenisei Ridge; Enisei Ridge)
      • Tatarka Range
RRUFF ID: R060288
  • Murmansk Oblast
    • Khibiny Massif
Yakovenchuk, V.N.; Pakhomovsky, Y.A.; Panikorovskii, T.L.; Zolotarev, A.A.; Mikhailova, J.A.; Bocharov, V.N.; Krivovichev, S.V.; Ivanyuk, G.Y. (2019) Chirvinskyite, (Na,Ca)13(Fe,Mn,□)2(Ti,Nb)2(Zr,Ti)3-(Si2O7)4(OH,O,F)12, a New Mineral with a Modular Wallpaper Structure, from the Khibiny Alkaline Massif (Kola Peninsula, Russia). Minerals 2019, 9, 219.
    • Northern Karelia
      • Vuoriyarvi alkaline-ultrabasic massif
Kozlov, E.; Fomina, E.; Sidorov, M.; Shilovskikh, V.; Bocharov, V.; Chernyavsky, A.; Huber, M. (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals 10, 73.
  • Tuva
Doroshkevich, A. G., Veksler, I. V., Izbrodin, I. A., Ripp, G. S., Khromova, E. A., Posokhov, V. F., ... & Vladykin, N. V. (2016). Stable isotope composition of minerals in the Belaya Zima plutonic complex, Russia: Implications for the sources of the parental magma and metasomatizing fluids. Journal of Asian Earth Sciences, 116, 81-96.
 
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