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Fluornatropyrochlore

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About FluornatropyrochloreHide

Formula:
(Na,Pb,Ca,REE,U)2Nb2O6F
Colour:
Brownish yellow to reddish orange
Lustre:
Adamantine
Hardness:
4 - 4½
Specific Gravity:
5.275 (Calculated)
Crystal System:
Isometric
Name:
For the chemical composition and relation to pyrochlore.
Note: The original description (Yin et al., 2015) gives Boziguoer intrusion, Baicheng County, Akesu, Xinjiang Autonomous Region, China as type locality, but the CNMNC Newsletter No. 17 (October 2013) list gave Maoniuping rare earth deposit, Mianning County, Sichuan Province, China.


Classification of FluornatropyrochloreHide

Approved
Approval Year:
2013
First Published:
2015
4.DH.

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra

Physical Properties of FluornatropyrochloreHide

Adamantine
Transparency:
Transparent, Translucent
Colour:
Brownish yellow to reddish orange
Streak:
Light yellow
Hardness:
4 - 4½ on Mohs scale
Tenacity:
Brittle
Density:
5.275 g/cm3 (Calculated)

Optical Data of FluornatropyrochloreHide

Type:
Isotropic
RI values:
n = 2.10(5)
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High

Chemical Properties of FluornatropyrochloreHide

Formula:
(Na,Pb,Ca,REE,U)2Nb2O6F

Crystallography of FluornatropyrochloreHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Cell Parameters:
a = 10.5053(10) Å
Unit Cell V:
1159.4 ų
Z:
8
Morphology:
anhedral and subhedral grains;
Comment:
Fd3¯ m

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.074(3)
3.042(100)
2.628(38)
1.857(34)
1.582(15)
1.515(4)
1.314(2)
1.205(3)

Type Occurrence of FluornatropyrochloreHide

General Appearance of Type Material:
Anhedral crystals, rarely as subhedral grains, with a grain size of 0.02 to 0.25 mm.
Place of Conservation of Type Material:
Holotype in the Geological Museum of China, Beijing,China, sample number M12183.
Geological Setting of Type Material:
Alkali granite
Associated Minerals at Type Locality:

Synonyms of FluornatropyrochloreHide

Relationship of Fluornatropyrochlore 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
Fluorcalciopyrochlore(Ca,Na)2(Nb, Ti)2O6FIso.
FluorhydropyrochloreA possible new species (See discussion in Atencio et al.
Fluorkenopyrochlore(□,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F
Fluorplumbopyrochlore(Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6FIso.
Fluorstrontiopyrochlore(Sr,□)2Nb2(O,OH)6F
Hydrokenopyrochlore2Nb2O4(OH)2(H2O)Iso. 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:
Unnamed (HBU UK-3)3 photos of Fluornatropyrochlore associated with Unnamed (HBU UK-3) on mindat.org.
Gittinsite2 photos of Fluornatropyrochlore associated with Gittinsite on mindat.org.
Zircon2 photos of Fluornatropyrochlore associated with Zircon on mindat.org.
Elpidite1 photo of Fluornatropyrochlore associated with Elpidite on mindat.org.
Calcian Elpidite1 photo of Fluornatropyrochlore associated with Calcian Elpidite on mindat.org.
Bazirite1 photo of Fluornatropyrochlore associated with Bazirite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.DH.Roméite Group
4.DH.Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)Iso.
4.DH.OxyplumboroméitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.Cesiokenopyrochlore□Nb2(O,OH)6Cs1−x (x ∼ 0.20)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.05Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6Mon. 2/m : B2/m
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2Orth.
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6Mon.
4.DH.10KassiteCaTi2O4(OH)2Orth.
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6Mon.
4.DH.15Bariomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Betafite (of Hogarth 1977)A2-mD2X6-wZ1+wIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)A2-mD2X6-wZ1-n
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)A2-mD2X6-wZ1-nIso.
4.DH.15Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)Iso.
4.DH.15Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6FIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutopyrochlore (of Chukanov et al.)(Bi,Ca,U,Pb)2-xNb2(O,OH)6(OH)Amor.
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BindheimitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20MonimolitePb2Sb5+2O7Iso. m3m (4/m 3 2/m)
4.DH.20CuproroméiteCu2Sb2(O,OH)7Iso.
4.DH.20StetefeldtiteAg2Sb2(O,OH)7Iso.
4.DH.20StibiconiteSb3+Sb5+2O6(OH)
4.DH.25RosiaitePbSb5+2O6Trig. 3m (3 2/m) : P3 1m
4.DH.30ZirconoliteCaZrTi2O7Orth.
4.DH.35LiandratiteU(Nb,Ta)2O8Trig.
4.DH.35PetscheckiteUFe(Nb,Ta)2O8Hex.
4.DH.40IngersoniteCa3Mn2+Sb5+4O14Trig. 3 2 : P31 2 1
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2OHex. 6 m2 : P6m2

Fluorescence of FluornatropyrochloreHide

Non-fluorescent

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 FluornatropyrochloreHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Atencio et al. (2010) The Pyrochlore Supergroup of Minerals: Nomenclature. The Canadian Mineralogist, 48, 673-698. [http://pubsites.uws.edu.au/ima-cnmnc/Atencio%20et%20al%20pyrochlore%20nomenclature.pdf]
Christy, A.G. and Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.
Yin, J., Li, G., Yang, G., Xiong, M., Ge, X., and Pan Baoming (2013) Fluornatropyrochlore, IMA 2013-056. CNMNC Newsletter No. 17, October 2013, page 3003; Mineralogical Magazine: 77: 2997-3005.
Jingwu, Y., Li, G., Guangming, Y., Ge, X., Xu, H., and Wang, J. (2015) Fluornatropyrochlore, a new pyrochlore supergroup mineral from the Boziguoer rare earth element deposit, Baicheng County, Akesu, Xinjiang, China. Canadian Mineralogist: 53: 455-460.

Internet Links for FluornatropyrochloreHide

Localities for FluornatropyrochloreHide

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.
Canada
 
  • Northwest Territories
    • Mackenzie District
      • Blachford Lake alkaline complex
        • Thor Lake syenite complex
MÖLLER, V. (2016) The Nature and origin of the Nechalacho Rare Metal Deposit (REE, Nb, Zr), Northwest Territories, Canada. Unpublished Ph.D. thesis, McGill University, Montreal. 409 p.
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Chao, G.Y. unpublished analytical data
    • Saguenay-Lac-Saint-Jean
      • Maria-Chapdelaine RCM
        • Girardville
DUPUIS, C. & DAVID, E. (2013) Giant crystals of ilmenites and Baveno-twinned microclines from Girardville, Quebec, Canada. Rocks & Minerals 88, 420-433.
China
 
  • Sichuan Province
    • Liangshan Autonomous Prefecture
      • Mianning Co.
Yin Jingwu, Li Guowu, Yang Guangming, Xiong Ming, Ge Xiangkun und Pan Baoming (2013) Fluornatropyrochlore, IMA 2013-056. CNMNC Newsletter No. 17, October 2013, page 3003; Mineralogical Magazine, 77, 2997 - 3005.
  • Xinjiang Autonomous Region
    • 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
Germany
 
  • Rhineland-Palatinate
    • Mendig
      • Niedermendig
Christophe Boutry Collection
Hungary
 
  • Baranya Co.
    • Mecsek Mts
      • Hosszúhetény
collector: Csaba Papp, WDS: Viera Kollárová
Madagascar
 
  • Antsiranana Province
    • Diana Region (Northern Region)
      • Ambanja District
        • Antsirabe Commune
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.
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
Pavel M. Kartashov analytical data; Atencio, D., Andrade, M.B., Christy, A.G., Gieré, R., Kartashov, P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 673-698.
Portugal
 
  • Azores
    • São Miguel Island
      • Água de Pau Massif
        • Água de Pau Volcano (Fogo Volcano)
in the collection of Christof Schäfer
Cámara, F., Sokolova, E., Abdu, Y.A., Hawthorne, F.C., Charrier, T., Dorcet, V., Carpentier, J.-F. (2017): Fogoite-(Y), Na3Ca2Y2Ti(Si2O7)2OF3, a Group-I TS-block mineral from the Lagoa do Fogo, the Fogo volcano, the São Miguel Island, the Azores: Description and crystal structure. Mineralogical Magazine, 81, 369–381
Mineral and/or Locality  
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