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Fluornatrocoulsellite

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About FluornatrocoulselliteHide

08501270015423284126919.jpg
Ruth E. Coulsell
Formula:
CaNa3AlMg3F14
Specific Gravity:
3.011 (Calculated)
Crystal System:
Trigonal
Name:
Originally named simply coulsellite in honor of Ruth Elise Coulsell (1912 – 2000), a foundation member and honorary life member of the Mineralogical Society of Victoria. Renamed to fluornatrocoulsellite by Atencio et al. (2017) according to the pyrochlore supergroup naming convention.
Originally named coulsellite, renamed fluornatrocoulsellite (IMA July 2016; Atencio et al., 2017).

A rhombohedral mineral in the Pyrochlore Supergroup.
Appears to be unique among published pyrochlore phases in having a 1:3 ordering of metal atoms Ca:Na in the A sites and Al:Mg in the B sites.






Classification of FluornatrocoulselliteHide

Approved
Notes:
Renamed by the IMA
Approval Year:
2009
Approval History:
Renamed from coulsellite after being moved into the Pyrochlore Supergroup (IMA July 2016.)
3.00.

3 : HALIDES
0 :
0 :

Physical Properties of FluornatrocoulselliteHide

Density:
3.011 g/cm3 (Calculated)

Chemical Properties of FluornatrocoulselliteHide

Formula:
CaNa3AlMg3F14
IMA Formula:
(Na1.5Ca0.5)(Mg1.5Al0.5)F6F

Crystallography of FluornatrocoulselliteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 7.1756(1) Å
α = 59.867(1)°
Unit Cell V:
260.46 ų (Calculated from Unit Cell)
Z:
1
Twinning:
multiply twinned about threefold axes of the pseudocubic cell.
Comment:
corresponding hexagonal cell parameters are a = 7.1620(1) Å, c = 17.5972(3) Å.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020643FluornatrocoulselliteMumme W G, Grey I E, Birch W D, Pring A, Bougerol C, Wilson N C (2010) Coulsellite, CaNa3AlMg3F14, a rhombohedral pyrochlore with 1:3 ordering in both A and B sites, from the Cleveland mine, Tasmania, Australia American Mineralogist 95 736-7402010Cleveland tin mine, Luina, western Tasmania0293
CIF Raw Data - click here to close

Type Occurrence of FluornatrocoulselliteHide

Synonyms of FluornatrocoulselliteHide

Relationship of Fluornatrocoulsellite to other SpeciesHide

Related Minerals - Nickel-Strunz GroupingHide

3.00.Panichiite(NH4)2SnCl6Iso. m3m (4/m 3 2/m) : Fm3m
3.00.Paratacamite-(Mg)Cu3(Mg,Cu)(OH)6Cl2Trig. 3 : R3

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 FluornatrocoulselliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Birch, W.D., Grey, I.E., Mumme, W.G., Pring, A. (2009) Coulsellite, a new mineral from the Cleveland mine, Luina, Tasmania. Australian Journal of Mineralogy: 15: 21-24.
Williams, P.A., Hatert, F., Pasero, M. (2009) New minerals approved in 2009. in International Mineralogical Association: 1-34.
Mumme, W.G., Grey, I.E., Birch, W.D., Pring, A., Bougerol, C., Wilson, N.C. (2010) Coulsellite, CaNa3AlMg3F14, a rhombohedral pyrochlore with 1:3 ordering in both A and B sites, from the Cleveland mine, Tasmania, Australia. American Mineralogist: 95: 736-740.
Hålenius, U., Hatert, F., Pasero, M., Mills, S.J. (2016) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 32. New minerals and nomenclature modifications approved in 2016. Mineralogical Magazine: 80: 915-922.
Atencio, D., Andrade, M.B., Neto, A.C.B., Pereira, V.P. (2017) Ralstonite renamed hydrokenoralstonite, coulsellite renamed fluornatrocoulsellite, and their incorporation into the pyrochlore supergroup. The Canadian Mineralogist: 55: 115-120.

Internet Links for FluornatrocoulselliteHide

Localities for FluornatrocoulselliteHide

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.
Australia (TL)
 
  • Tasmania
    • Waratah-Wynyard municipality
      • Heazlewood district
        • Luina
Grey, I.E., Mumme, W.G., Birch, W.D., Pring, A., Bougerol, C., Wilson, N.C. (2010): Coulsellite, CaNa3AlMg3F14, a rhombohedral pyrochlore with 1:3 ordering in both A and B sites, from the Cleveland Mine, Tasmania, Australia. American Mineralogist, 95, 736-740.
Italy
 
  • Campania
    • Naples
      • Somma-Vesuvius Complex
Demartin, F., Campostrini, I., Castellano, C., & Russo, M. (2014). Parascandolaite, KMgF3, a new perovskite-type fluoride from Vesuvius. Physics and chemistry of minerals, 41(6), 403-407.
Demartin, F., Campostrini, I., Castellano, C., and Russo, M. (2014) Parascandolaite, KMgF3, a new perovskite type fluoride from Vesuvius. Physics and Chemistry of Minerals, 41, 403–407; Russo, M., Campostrini, I., and Demartin, F. (2014) Fumarolic minerals after the 1944 Vesuvius eruption. In: Cesare, B., Erba, E., Carmina, B., Fascio, L., Petti, F.M., and Zuccari, A., eds., The Future of the Italian Geosciences - The Italian Geosciences of the Future. 87° Congresso della Società Geologica Italiana e 90° Congresso della Società Italiana di Mineralogia e Petrologia, Milan, Italy, September 10-12, 2014. Abstract Book. Rendiconti Online della Società Geologica Italiana, 31, Supplemento n.1.
        • Ottaviano
Demartin, F., Campostrini, I., Castellano, C., and Russo, M. (2014) Parascandolaite, KMgF3, a new perovskite type fluoride from Vesuvius. Physics and Chemistry of Minerals, 41, 403–407; Russo, M., Campostrini, I., and Demartin, F. (2014) Fumarolic minerals after the 1944 Vesuvius eruption. In: Cesare, B., Erba, E., Carmina, B., Fascio, L., Petti, F.M., and Zuccari, A., eds., The Future of the Italian Geosciences - The Italian Geosciences of the Future. 87° Congresso della Società Geologica Italiana e 90° Congresso della Società Italiana di Mineralogia e Petrologia, Milan, Italy, September 10-12, 2014. Abstract Book. Rendiconti Online della Società Geologica Italiana, 31, Supplemento n.1.
Russia
 
  • Zabaykalsky Krai
Savel’eva, V. B., Bazarova, E. P., Khromova, E. A., & Kanakin, S. V. (2017). Fluorides and Fluorcarbonates in Rocks of the Katugin Complex, Eastern Siberia: Indicators of Geochemical Mineral Formation Conditions. Geology of Ore Deposits, 59(7), 561-574.
 
Mineral and/or Locality  
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