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Fluornatromicrolite

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About FluornatromicroliteHide

Formula:
(Na1.5Bi0.5)Ta2O6F
Colour:
Green
Lustre:
Adamantine
Hardness:
5
Specific Gravity:
6.49
Crystal System:
Isometric
Name:
Named after the chemical composition. It was first approved as a new species by CNMMN, IMA in 1998 (IMA1998-018). But at the time the name was given, although approved, it was not according to the nomenclature at the time (Hogarth 1977). Cause to controversies about the mineral and the nomenclature of the pyrochlore supergroup, the publication was delayed for several years. It was first published by Witzke et al. (2011).
Now the name is approved according to the new nomenclature of the pyrochlore supergroup (Atencio et al. 2010).
A sodium-dominant mineral of the Microlite group with fluorine dominant at the second anion site.



Classification of FluornatromicroliteHide

Approved
Approval Year:
1998
4.DH.15

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 FluornatromicroliteHide

Adamantine
Transparency:
Transparent
Colour:
Green
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Cleavage not discernible
Density:
6.49(6) g/cm3 (Measured)    
Comment:
Calculated density for Z=8 is 6.568g/cm�. The difference betwen the calculated and the measured density may be due to the small quantity of the mineral used.

Optical Data of FluornatromicroliteHide

Type:
Isotropic

Chemical Properties of FluornatromicroliteHide

Formula:
(Na1.5Bi0.5)Ta2O6F
IMA Formula:
(Na1.5Bi0.5)Ta2O6F

Crystallography of FluornatromicroliteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Setting:
Fd3m
Cell Parameters:
a = 10.4451(2) Å
Unit Cell V:
1139.56 ų
Morphology:
Regular to flattened octahedral crystals

Type Occurrence of FluornatromicroliteHide

Place of Conservation of Type Material:
In the Mineralogical Collection of the Bergakademie Freiberg, Germany (No. 77975) and in the Mineralogical Collection of the Martin-Luther Universität Halle, Institut für Geologische Wissenschaften (No. 010356).
Geological Setting of Type Material:
Granite pegmatite
Associated Minerals at Type Locality:

Synonyms of FluornatromicroliteHide

Other Language Names for FluornatromicroliteHide

Relationship of Fluornatromicrolite to other SpeciesHide

Other Members of this group:
Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6FIso. m3m (4/m 3 2/m) : Fd3m
Hydrokenomicrolite(◻,H2O)2Ta2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m)
Hydromicrolite(H2O,◻)2Ta2(O,OH)6(H2O)
HydroxycalciomicroliteCa1.5Ta2O6(OH)Iso. 4 3 2 : P42 3 2
Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)Iso.
Hydroxynatromicrolite(Na,Bi3+,◻)2Ta2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
Kenoplumbomicrolite(Pb,◻)2Ta2O6(◻,OH,O)Iso.
OxycalciomicroliteCa2Ta2O6O
OxystannomicroliteSn2Ta2O6O
Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
Yttromicrolite (of Hogarth)(Ca,Y3+,U,Na)2-x(Ta,Nb,Ti,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m

Common AssociatesHide

AlbiteNa(AlSi3O8)
Associated Minerals Based on Photo Data:
13 photos of Fluornatromicrolite associated with MuscoviteKAl2(AlSi3O10)(OH)2
11 photos of Fluornatromicrolite associated with AlbiteNa(AlSi3O8)
11 photos of Fluornatromicrolite associated with CleavelanditeNa(AlSi3O8)
8 photos of Fluornatromicrolite associated with TopazAl2(SiO4)(F,OH)2
5 photos of Fluornatromicrolite associated with QuartzSiO2
4 photos of Fluornatromicrolite associated with SchorlNa(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
2 photos of Fluornatromicrolite associated with OrthoclaseK(AlSi3O8)
2 photos of Fluornatromicrolite associated with Tantalite-(Mn)Mn2+Ta2O6
2 photos of Fluornatromicrolite associated with Hafnian Zircon(Zr,Hf)SiO4
2 photos of Fluornatromicrolite associated with MicroclineK(AlSi3O8)

Related Minerals - Nickel-Strunz GroupingHide

4.DH.Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6FIso. m3m (4/m 3 2/m)
4.DH.Roméite GroupA2(Sb5+)2O6Z
4.DH.Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)Iso.
4.DH.OxyplumboroméitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.Cesiokenopyrochlore□Nb2(O,OH)6(Cs,◻) (◻ ∼ 0.20)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.05BranneriteUTi2O6Mon. 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)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)Iso. 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.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

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 FluornatromicroliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Witzke, T., Steins, M., Doering, T., Schuckmann, W., Wegner, R., and Pöllmann, H. (2011) Fluornatromicrolite, (Na,Ca,Bi)2Ta2O6F, a new mineral from Quixaba, Paraíba, Brazil. Canadian Mineralogist: 49: 1105-1110.
Christy, A.G. and Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.

Internet Links for FluornatromicroliteHide

Localities for FluornatromicroliteHide

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.
Afghanistan
 
  • Kunar
    • Chapa Dara District
Rob Lavinsky photo
  • Nuristan
    • Kamdesh District
Lyckberg, P. (2011): Edelstein-Pegmatite in Afghanistan: Paprok. Mineralien-Welt. 22 (3): 46-57
Argentina
 
  • Salta Province
    • La Poma department
      • Nevados de Palermo
        • El Quemado district
Márquez-Zavalía, M. F., Galliski, M. Á., Černý, P., & Chapman, R. (2012). An Assemblage Of Bismuth-Rich, Tellurium-Bearing Minerals In The El Quemado Granitic Pegmatite, Nevados De Palermo, Salta, Argentina. The Canadian Mineralogist, 50(6), 1489-1498.
Brazil (TL)
 
  • Paraíba
    • Borborema mineral province
      • Frei Martinho
        • Quixaba
Witzke, T., Steins, M., Doering, T., Schuckmann, W., Wegner, R., Pöllmann, H. (2011): Fluornatromicrolite, (Na,Ca,Bi)2Ta2O6F, a new mineral from Quixaba, Paraíba, Brazil. Canadian Mineralogist, 49, 1105-1110
Pavel M. Kartashov data
China
 
  • Henan
    • Sanmenxia
      • Lushi County
        • Guanpo
          • Guanpo pegmatite field
Qu, K.; Sima, X.; Li, G.; Fan, G.; Shen, G.; Liu, X.; Xiao, Z.; Guo, H.; Qiu, L.; Wang, Y. (2020) Fluorluanshiweiite, KLiAl1.5□0.5(Si3.5Al0.5)O10F2, a New Mineral of the Mica Group from the Nanyangshan LCT Pegmatite Deposit, North Qinling Orogen, China. Minerals 10, 93.
Czech Republic
 
  • South Bohemian Region
    • Český Krumlov District
Novák, M., Ertl, A., Povondra, P., Vašinová Galiová, M., Rossman, G. R., Pristacz, H., ... & Škoda, R. (2013). Darrellhenryite, Na (LiAl2) Al6 (BO3) 3Si6O18 (OH) 3O, a new mineral from the tourmaline supergroup. American Mineralogist, 98(10), 1886-1892.
Finland
 
  • Pirkanmaa
    • Orivesi
      • Eräjärvi area
Pavel M. Kartashov analytical data (2012), Ilkka Mikkola specimen
Italy
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
          • Sant'Ilario in Campo
Tobias U. Prediger collection
Mozambique
 
  • Zambezia Province
    • Alto Ligonha District
Mineralogical Record (2001) 32:252
Pakistan
 
  • Gilgit-Baltistan
Pavel M. Kartashov analytical data
    • Skardu District
      • Braldu Valley
Russia
 
  • Sverdlovsk Oblast
    • Prigorodny District
      • Yuzhakovo
        • Alabashka pegmatite field
P.M. Kartashov data
USA
 
  • California
    • San Diego County
      • Warner Springs Mining District
        • Warner Springs
Timothy Sherburn collection
  • Maine
    • Oxford County
      • Buckfield
King, V., and Foord, E., 2000, Mineralogy of Maine
 
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