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Fersmite

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Post stamp with academic A. E. Fersman portrait.
Formula:
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Colour:
Black, dark brown, lemon-yellow to yellow-brown
Lustre:
Sub-Vitreous, Resinous, Sub-Metallic
Hardness:
4 - 4½
Specific Gravity:
4.78 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
Named in 1946 by Elsa Maximilianovna Bohnstedt-Kupletskaya and T. A. Burova in honour of academic Aleksandr Evgenievich Fersman (November 8, 1883 St. Petersburg, Russia - May 20, 1945 Sochi, Georgia), mineralogist, founder of the Fersman Mineralogical Museum in Moscow, Russia. The mineral fersmanite is also named after him.
Fersmite (similar to Fergusonite) is one of the most low-titanoan niobates.
Compare Vigezzite.


Hide all sections | Show all sections

Classification of FersmiteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.DG.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
G : With large (+- medium-sized) cations; chains of edge-sharing octahedra
8.3.3.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
18.2.12

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U

Pronounciation of FersmiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of FersmiteHide

Sub-Vitreous, Resinous, Sub-Metallic
Transparency:
Translucent, Opaque
Colour:
Black, dark brown, lemon-yellow to yellow-brown
Streak:
Grayish brown
Hardness:
4 - 4½ on Mohs scale
Hardness:
VHN100=572 - 593 - Vickers
Tenacity:
Very brittle
Cleavage:
Distinct/Good
{100}
Parting:
present
Fracture:
Sub-Conchoidal
Density:
4.78 g/cm3 (Calculated)

Optical Data of FersmiteHide

Type:
Biaxial (+)
RI values:
nα = 2.070 nβ = 2.080 nγ = 2.190
2V:
Measured: 20° to 25°, Calculated: 36°
Max Birefringence:
δ = 0.120
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v strong
Pleochroism:
Weak
Comments:
X = Y = pale greenish yellow to colorless; Z = dark greenish yellow to olive-yellow

Chemical Properties of FersmiteHide

Formula:
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6

Crystallography of FersmiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbcn
Cell Parameters:
a = 14.926(4) Å, b = 5.752(4) Å, c = 5.204(4) Å
Ratio:
a:b:c = 2.595 : 1 : 0.905
Unit Cell V:
446.79 ų (Calculated from Unit Cell)
Z:
4
Morphology:
prismatic crystals
Comment:
commonly metamict

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.049 (100)
3.762 (21)
1.527 (15)
2.493 (14)
1.183 (13)
1.211 (11)
1.967 (10)

Type Occurrence of FersmiteHide

Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 44383, 44384

Other Language Names for FersmiteHide

German:Fersmit
Simplified Chinese:铌钙矿
Spanish:Fersmita

Relationship of Fersmite to other SpeciesHide

Member of:
Other Members of this group:
Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6Orth. mmm (2/m 2/m 2/m)
Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
Loranskite-(Y)(Y,Ce,Ca)ZrTaO6 (?)
Polycrase-(Y)Y(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
Uranopolycrase(U4+,Y)(Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6Amor.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Microlite Group5 photos of Fersmite associated with Microlite Group on mindat.org.
Albite3 photos of Fersmite associated with Albite on mindat.org.
Uranmicrolite (of Hogarth 1977)3 photos of Fersmite associated with Uranmicrolite (of Hogarth 1977) on mindat.org.
Cassiterite3 photos of Fersmite associated with Cassiterite on mindat.org.
Svanbergite2 photos of Fersmite associated with Svanbergite on mindat.org.
Hydroxylbastnäsite-(Ce)1 photo of Fersmite associated with Hydroxylbastnäsite-(Ce) on mindat.org.
Ancylite-(Ce)1 photo of Fersmite associated with Ancylite-(Ce) on mindat.org.
Dolomite1 photo of Fersmite associated with Dolomite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.DG.05Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6Orth. mmm (2/m 2/m 2/m)
4.DG.05Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
4.DG.05Loranskite-(Y)(Y,Ce,Ca)ZrTaO6 (?)
4.DG.05Polycrase-(Y)Y(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
4.DG.05Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
4.DG.05Uranopolycrase(U4+,Y)(Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6Amor.
4.DG.10Fergusonite-(Y)-βYNbO4Mon. 2/m
4.DG.10Fergusonite-(Nd)-β(Nd,Ce)NbO4
4.DG.10Fergusonite-(Ce)-β(Ce,La,Nd)NbO4
4.DG.10Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4Orth.
4.DG.10Beta-Fergusonite-(Nd)(Nd,Ce)NbO4
4.DG.15FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b
4.DG.15Thoreaulite(Sn2+,Pb)(Ta,Nb)2O6Mon.
4.DG.20RaspitePb(WO4)Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

18.2.1Fergusonite-(Y)YNbO4Tet. 4/m : I41/a
18.2.2Fergusonite-(Y)-βYNbO4Mon. 2/m
18.2.3Fergusonite-(Ce)(Ce,La,Nd)NbO4
18.2.4Fergusonite-(Ce)-β(Ce,La,Nd)NbO4
18.2.5Fergusonite-(Nd)(Nd,Ce)(Nb,Ti)O4
18.2.6Fergusonite-(Nd)-β(Nd,Ce)NbO4
18.2.7Formanite-(Y)YTaO4Tet. 4/m : I41/a
18.2.8Pyrochlore GroupA2Nb2(O,OH)6Z
18.2.9Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.2.10Strontiopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.2.11Loparite-(Ce)(Na,REE)Ti2O6
18.2.13Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m) : Pmna
18.2.14Aeschynite-(Nd)(Nd,Ln,Ca)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
18.2.15Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m) : Pmna
18.2.16Nioboaeschynite-(Ce)(Ce,Ca)(Nb,Ti)2(O,OH)6Orth.
18.2.17Nioboaeschynite-(Nd)(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6Orth.
18.2.18Tantalaeschynite-(Y)Y(Ta,Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m)
18.2.19Vigezzite(Ca,Ce)(Nb,Ta,Ti)2O6Orth.
18.2.20Murataite-(Y)(Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4 Iso. m3m (4/m 3 2/m) : Fm3m

Fluorescence of FersmiteHide

Fluoresces yellow-green to bluish green under SW and LW UV; light blue cathodoluminescence

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 FersmiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bohnstedt-Kupletskaya, E.M., Burova, T.A. (1946) Fersmite, a new calcium niobate from the pegmatites of the Vishnevye Mts., the Central Urals. Comptes Rendus (Doklady) de l’Académie des Sciences de l’URSS: 52: 69-71.
Fleischer, M. (1947) New mineral names. American Mineralogist: 32: 371-374.
Ismailzade, I.G. (1958) Crystal structure of the niobiates and the tantalates of bivalent metals and their solid solutions: 22: 1480-1482
Yamnova, N.A., Tsomirova, E.S., Leonyuk, N.I. (1993) Crystal structure of synthetic La-containing fersmite. Crystallography Reports: 38: 124-125.
Gurbanova, O.A., Rastsvetaeva, R.K., Kashaev, A.A., Smolin, A.S. (2001) Refined crystal structure of TR-fersmite (TR = Ce). Crystallography Reports: 46: 194-195.
Škoda, R., Novák, M. (2007) Y,REE,Nb,Ta,Ti-oxide (AB2O6) minerals from REL-REE euxenite-subtype pegmatites of the Třebíč Pluton, Czech Republic; substitutions and fractionation trends. Lithos: 95: 43-57.

Internet Links for FersmiteHide

Localities for FersmiteHide

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
 
  • Western Australia
    • Port Hedland Shire
      • Abydos Station
        • Wodgina
Fetherston, J.M. (2004), Tantalum in Western Australia, Mineral Resources Bulletin 22, GSWA, 02 Apr 2004
Austria
 
  • Styria
    • Koralpe
      • Deutschlandsberg
        • St Oswald
Postl, W. & Moser, B. (1987): Ein Turmalinpegmatit östlich der Stoffhütte, Koralpe, Steiermark. Mitteilungen der Abteilung für Mineralogie am Landesmuseum Joanneum, 55, 13-20.
    • Niedere Tauern
      • Pöls valley
        • Pusterwald
          • Pusterwald-Bretstein area
            • Spodumene pegmatites
Mali, H. (2004): Die Spodumenpegmatite von Bretstein und Pusterwald (Wölzer Tauern, Steiermark). Joannea Mineralogie 2, 5-53.
Mali, H. (2004): Die Spodumenpegmatite von Bretstein und Pusterwald (Wölzer Tauern, Steiermark). Joannea Mineralogie 2, 5-53.
Brazil
 
  • Paraíba
    • Borborema mineral province
      • Pedra Lavrada
Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
  • Rio Grande do Norte
    • Borborema mineral province
      • Parelhas
Beurlen, H.; Müller, A.; Silva, D.; Da Silva, M.R.R. (2011): Petrogenetic significance of LA-ICP-MS trace-element data on quartz from the Borborema Pegmatite Province, northeast Brazil. Mineralogical Magazine 75, 2703-2719. ; Beurlen, H., Soares, D. R., Thomas, R., Prado-Borges, L. E., & Castro, C. D. (2005). Mineral chemistry of tantalate species new in the Borborema Pegmatitic Province, Northeast Brazil. Anais da Academia Brasileira de Ciências, 77(1), 169-182.
  • Santa Catarina
    • Anitápolis
Comin-Chiaramonti, P., de Barros Gomes, C., Castorina, F., di Censi, P., Antonini, P., Furtado, S., ... & Scheibe, L. F. (2008). Geochemistry and geodynamic implications of the Anitápolis and Lages alkaline-carbonatite complexes, Santa Catarina State, Brazil. Brazilian Journal of Geology, 32(1), 43-58.
Canada
 
  • British Columbia
    • Golden Mining Division
      • Radium Hot Springs
GJ Simandl, KD Hancock (1991) Geology of the Mount Brussilof Magnesite Deposit, Southeastern British Columbia (82J/12, 13). British Columbia Geological Survey Paper 1991-I pp 269-278
    • Kamloops Mining Division
      • Blue River carbonatites
        • Verity claim
Blue River Carbonatites, British Columbia- Primary Exploration Targets for Tantalum, G.J. Simandle,P.C. Jones, M. Rotella Exploration and Mining in British Columbia - 2001, B. C. Mines Report, pg 123-131 (http://www.commerceresources.com/i/pdf/05-BCGOVRREPORT.pdf)
      • Lempriere Station
George J. Simandl, Peter C. Jones and Melissa Rotella (2001) Blue River Carbonatites, British Columbia- Primary Exploration Targets For Tantalum. Exploration and Mining in British Columbia - 2001 pp 73-82
Berger, V.I., Singer, D.A., and Orris, G.J. (2009): USGS Open-File Report 09-1139
    • Omenica Mining Division
      • Williston Lake
Berger, V.I., Singer, D.A., and Orris, G.J. (2009): USGS Open-File Report 09-1139; Jennifer Pell (1994) Carbonatites, Nepheline Syenites, Kimberlites and Related Rocks in British Columbia. Brithish Columbia Ministry of Energy Bulletin 88.; Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666.
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
CAMACHO, A., BAADSGAARD, H. PAUL, B.J. & ČERNÝ, P. (2014) Radiogenic isotope systematics of the Huron claim pegmatite and the Shatford Lake pegmatite group, Winnipeg River pegmatite district, Manitoba. Canadian Mineralogist 52, 857-872.
  • Nova Scotia
    • Cumberland Co.
PAPOUTSA, A.D. & PE-PIPER, G. (2013) The relationship between REE-Y-Nb-Th minerals and the evolution of an A-type granite, Wentworth Pluton, Nova Scotia. American Mineralogist 98, 444-462.
  • Ontario
    • Thunder Bay District
McLaughlin (1990)
China
 
  • Hubei Province
    • Shiyan Prefecture
      • Zhushan Co.
Shi Li (1980): Geochimica 9(4), 345-355
  • Inner Mongolia Autonomous Region
    • Baotou League (Baotou Prefecture)
      • Bayan Obo Mining District
        • Bayan Obo
          • Bayan Obo deposit (Bayun-Obo deposit; Baiyunebo deposit)
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): Mineralogy and Geology of Rare Earths in China. Science Press (Beijing), pp. 226.
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Šumperk (Mährisch Schönberg)
        • Maršíkov (Marchendorf)
Novák, M.: Maršíkov - Schinderhübel. In Exkurzní průvodce po mineralogických lokalitách na Sobotínsku. Univerzita Palackého v Olomouci, 2002, Olomouc, s. 34-37.
Sejkora, J.: Některé zajímavé nálezy nerostů v pegmatitech České republiky. Minerál, 1993, roč. 1, č. 3, s. 22-23.; Novák, M.: Maršíkov - Scheibengraben. In Exkurzní průvodce po mineralogických lokalitách na Sobotínsku. Univerzita Palackého v Olomouci, 2002, Olomouc, s. 38-41.
        • Ruda nad Moravou
Novák M. Gadas P. (2010) ZONED, ANORTHITE- AND GROSSULARITE-BEARING, LEUCOTONALITIC PEGMATITE FROM SERPENTINIZED LHERZOLITE AT RUDA NAD MORAVOU, STARÉ MĚSTO UNIT, CZECH REPUBLIC. Can Miner 48 (3): 629-650.; Gadas, P., Novák, M., Talla, D., & Galiová, M. V. (2013). Compositional evolution of grossular garnet from leucotonalitic pegmatite at Ruda nad Moravou, Czech Republic; a complex EMPA, LA-ICP-MS, IR and CL study. Mineralogy and Petrology, 107(2), 311-326.
    • Vysočina Region
      • Jihlava District
Novak, M., & Divis, K. (1996). Compositional trends in manganocolumbite from the Puklice I pegmatite, western Moravia, Czech Republic. Journal of GEOsciences, 41(1-2), 1-6.
      • Třebíč
        • Kožichovice
Výravský, J, Škoda, R. & Novak, M. (2017) Kristiansenite, thortveitite and SCNbO4: Products of Ca-metasomatism of Sc-enriched columbite-(Mn) from NYF pegmatite Kožichovice II, Czech Republic. PEG2017. NGF Abstracts and Proceedings, 2017 (2): 169-172.
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
Voloshin A.V., Pakhomovskii Ya.A. (1988) Mineralogy of tantalum and niobium in rare-metal pegmatites, - Leningrad, Nauka, p. 240 (in Rus.)
  • Nord-Kivu
Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666.; http://www.handbookofmineralogy.com/pdfs/fersmite.pdf
France
 
  • Occitanie
    • Hautes-Pyrénées
      • La Barthe-de-Neste
        • Avezac-Prat-Lahitte
MONCHOUX P., FONTAN F., DE PARSEVAL P., MARTIN R. F., WANG R. C. (2006) - Igneous albitite dikes in orogenic lherzolithes, Western Pyrénées, France: A possible source for corundum and alkali feldspar xenocrysts in basaltic terranes. I. Mineralogical Asssociations. The Canadian Mineralogist, Vol. 44, pp. 817-842.
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Laach lake volcanic complex
        • Kruft
Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
        • Mendig
          • Niedermendig
Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
            • Wingertsberg
Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
Greenland
 
  • Kujalleq
    • Narsaq
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
        • Taseq area
Bohse, H., Petersen, O., Niedermayr, G. (2001): Notes on Leucophanite from the Ilimaussaq alkaline complex, South Greenland, Geology of Greenland Survey Bulletin, 190, 119-121
Italy
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Feriolo
Guastoni, A., Nestola, F., Zorzi, F. & Pezzotta, F. (2010). Aluminocerite-(Ce), settimo minerale nuovo a Baveno e primo ritrovamento di anglesite, emimorfite e torite. Rivista Mineralogica Italiana, 2/2010, 106-109.
        • Oltrefiume
          • Mount Camoscio
Grill, E. (1935): I minerali del granito di Baveno, la fayalite. Periodico di Mineralogia, 129-133. - Gallitelli, P. (1936): Le miche del granito di Baveno. . Periodico di Mineralogia, 61-76 - Pagliani, G. (1948): Le Zeoliti del granito di Baveno. Periodico di Mineralogia, 175-188. - Ravagnani, D. (1974): I giacimenti uraniferi italiani - Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale di Milano, Ed., Milano, 188 pp. - min. Rec. 14 (3), 157-168 - Am. Min. 83, 1330-1334 (1998) - Am. Min. 84, 782-789 (1999). - Guastoni, A. & Pezzotta, F. (2004): Kristiansenite a Baveno, second ritrovamento Mondiale della specie. Rivista Mineralogica Italiana, 4/2004, 247-251. - Guastoni, A., Demartin, F., Pezzotta, F. (2004): Sekaninaite delle pegmatiti granitiche di Feriolo e Baveno (VB). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, 145, 59-68. - Mineralogist americano (2005) 90, 1442-1452.
sergio varvello collection
      • Ossola Valley
        • Vigezzo Valley
          • Craveggia
            • Rio Vasca
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
          • Druogno
            • Orcesco
          • Trontano
            • Pizzo Marcio
Mattioli, V. (1979 a): I minerali di Pizzo Marcio in Valle Vigezzo. Riv. Mineral. Ital., 3 [1, serie 2], 2 (2-1979), 30-36; Mattioli, V. (1979 b): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.; Appiani, R., Cini, V., Gentile, P., Mattioli, V., Preite, D., Vignola, P. (1995): Val Vigezzo - I minerali delle albititi. Ed. Linea Due S.r.l., Marnate (Varese), 90 pp.; Guastoni, A., Diella, V., Pezzotta, F., Demartin, F. (2007): Vigezzite and associated Nb-Ta oxides of emerald pegmatitic deposits of Vigezzo Valley (Western Alps, Italy). Crystallization Processes in Granitic Pegmatites - International Meeting. Cavoli, Elba Island, Italy, 23rd-29th May 2005. Abstracts; http://www.minsocam.org/msa/Special/Pig/PIG_Articles/Elba%20Abstracts%2010%20Guastoni.pdf; Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.; Guastoni, A., Diella, V., Pezzotta, F. (2008): Vigezzite and associated oxides of Nb–Ta from emerald-bearing pegmatites of the Vigezzo valley, Western Alps, Italy. Canadian Mineralogist, 46, 619-633; Guastoni, A. (2011): Pizzo Marcio e Alpe Rosso. Genesi delle pegmatiti albitizzate e dei minerali di niobio e tantalio. Riv. Miner. Ital., 35, 4 (4-2011), 246-253; Guastoni, A. (2012): LCT (lithium, cesium, tantalum) and NYF (niobium, yttrium, fluorine) pegmatites in the Central Alps. Proxies of exhumation history of the Alpine nappe stack in the Lepontine Dome. Ph.D. Thesis. University of Padova, Dept. of Geosciences, 159 pp.; Boscardin, M., Mattioli, V., Rocchetti, I. (2013): Minerali della Valle Vigezzo. Litotipografia Alcione, Lavis (Trento), 229 pp.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.; Boscardin, M., Mattioli, V., Rocchetti, I. (2013): Minerali della Valle Vigezzo. Litotipografia Alcione, Lavis (Trento), 229 pp.
Callegari A., Vanini F., 2002. La fersmite della pegmatite di Rio Graia. Riv. Mineral. Ital., 26 (4): 212-215.
Albertini, C. (2011): Il permesso di ricerca "Bosco Negro", Alpe Rosso, Druogno, Valle Vigezzo (Verbano-Cusio-Ossola). Riv. Miner. Ital., 35, 4 (4-2011), 226-232.
  • Sardinia
    • Sassari Province
      • Telti
Gamboni, A., Gelosa, M., Gamboni, T. (2001): Ortoclasio ed altri minerali delle pegmatiti di S. Bachisio, Telti, Gallura, Sardegna N.E. Rivista Mineralogica Italiana, 1/2001, 30-40
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
STEPANOV, A.V., BEKENOVA, G.K., LEVIN, V.L., HAWTHORNE, F.C. & DOBROVOL’SKAYA, E.A. (2012): Tarbagataite,(K,□)2(Ca,Na)(Fe2+,Mn)7Ti2(Si4O12)2O2(OH)4(OH,F), a new astrophyllite-group mineral species from the Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan: description and crystal structure Canadian Mineralogist 50,159-168.
Madagascar
 
  • Antananarivo Province
    • Vakinankaratra Region
      • Betafo District
        • Ambohimanambola Commune
Pezzotta, F. (1999): Madagaskar- Da Paradies der Mineralien und Edelsteine. Extra Lapis 17. 56-59
De Vito et al (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist. 44: 87-103.
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
P.M. Kartashov analytical data
        • Mount Ulyn Khuren
Kartashov P.M., Voloshin A.V., PakhomovskiiYa.A. On the zonal crystaline gadolinite from the alkaline granite pegmatites of Haldzan Buragtag (Mongolian Altai), - Zapiski VMO, 1993,N3,p. 65-79.
Pavel M. Kartashov data
Norway
 
  • Aust-Agder
    • Evje og Hornnes
      • Landsverk
Larsen, A. O. (2001): "Ein Neufund für Norwegen: Fersmite vom Pegmatite "Landsverk 1" bei Evje" Mineralien-Welt, no 3, pp. 48-50.
    • Iveland
      • Frikstad
Nordrum, F.S. (2008): Nyfunn av mineraler i Norge 2007-2008. STEIN 35 (2),p.15 ; Breivik, H., Larsen, A.O. & Myre, K. (2008): Litjern cleavelandittbrudd, Iveland. Norsk Bergverksmuseum Skrift 38: 45-47
  • Svalbard
    • Spitsbergen
      • Hornsund fjord
Pršek, J., Majka, J., Uher, P. & Chudík, P. (2010): Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary assemblage. Neues Jahrbuch für Mineralogie - Abhandlungen 187, 235-248
  • Telemark
    • Nome
      • Fen complex
Neumann, H. (1985): Norges Mineraler. Norges Geologiske Undersøkelse Skrifter 68, p. 79.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Dzierżoniów District
      • Piława Górna (Ober Peilau; Gnadenfrei)
PIECZKA et al. 2010: Nb-Ta minerals in pegmatites in the DSS mine at Piława Górna, Góry Sowie Block, southwestern Poland. Mineralogia - Special Papers, 37.
Pieczka, A., Hawthorne, F.C., Cooper, M.A., Szełęg, E., Szuszkiewicz, A., Turniak, K., Nejbert, K., Ilnicki, S. (2015): Pilawite-(Y), Ca2(Y,Yb)2[Al4(SiO4)4O2(OH)2], a new mineral from the Piława Górna granitic pegmatite, southwestern Poland: mineralogical data, crystal structure and association. Mineralogical Magazine, 79, 1143-1157.
    • Ząbkowice District
      • Ząbkowice (Frankenstein)
        • Szklary (Gläsendorf)
Pieczka A. 2006: An unusual manganoan apatite from the Szklary pegmatite (Lower Silesia, Poland). Mineralogia Polonica - Special Papers, vol. 28, 178-180
Romania
 
  • Harghita Co.
Pál-Molnár (2000)
  • Sibiu Co.
    • Lotru-Cibin Mts
Săbău, G. (2010) Lanthanide-free fersmite in the lithian pegmatites at Conţu, Lotru Mts., and its relationship with other niobo-tantalates. Annual Conference of the Geological Society of Romania, Bucharest, 5-6 November 2010
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Vitim Plateau
          • Biraya and Bya Rivers confluence area (Chara Basin)
            • Biraya Fe-REE ore occurrence
Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666.
    • Tuva Republic
      • Sayan Mts
        • Eastern Sayan
Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666.
  • Northern Region
    • Murmanskaya Oblast'
Chakhmouradian A.R., Zaitsev A.N. (1999): Calcite–amphibole–clinopyroxene rock from the Afrikanda complex, Kola Peninsula, Russia: mineralogy and a possible link to carbonatites. I. Oxide minerals. - Canadian Mineralogist, Vol.37,pp. 177-198.
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Rezh District
          • Lipovka pegmatite field
Igor.V. Pekov, Lyudmila R. Memetova (2008) Minerals of the Lipovka Granite Pegmatites, Central Urals, Russia. Mineralogical Almanac 13:6-45
    • Southern Urals
      • Chelyabinsk Oblast'
Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666.
Nedosekova, I.L. (2007): Geology of Ore Deposits 49(2), 129-146.
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Brusno
Uher, P. ,Černý, P., 1998 : Vzácnoprvková mineralizácia v granitových pegmatitoch Nízkych Tatier. Mineralia Slovaca, 30, 2,93 – 94
  • Trnava Region
    • Piešťany Co.
Uher, P., Broska, I., 1989: Muskovitický pegmatit s obsahom minerálov vzácnych prvkov při Moravanoch n.V. (Považský Inovec). Min.Slovaca, 21,2,163 – 174
Uher P., 2000: Minerály granitových pegmatitov Slovenska-súčasný stav poznatkov. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 8, 170-180.
South Africa
 
  • Limpopo Province
    • Bushveld Complex
      • Waterberg District
        • Thabazimbi
          • Glenover carbonatite
Minerals of South Africa
  • North West Province
    • Bojanala Platinum District
      • Western Bushveld Complex
VERWOERD, W.J. (1986) Mineral deposits associated with carbonatites and alkaline rocks. In: Mineral deposits of Southern Africa. Vol. II. 2173-2191. Edited by: Annhaeusser and Maske. Geological Society of South Africa.
South Korea
 
  • Chungcheongbukdo (Chungchong-pukto)
    • Chungju (Chung Won Kum; Chung-ju)
      • Joongwon-gun
        • Mt. Eorae
P.M. Kartashov data
Sri Lanka
 
  • Sabaragamuwa Province
    • Ratnapura District
Pavel M. Kartashov analytical data (2011)
Sweden
 
  • Medelpad
    • Sundsvall
Sandström, F., Binett, T., Wiklund, C. & Vikström, J. (2010): Alnöområdets geologi och mineralogi. Litiofilen. 27 (2) :14-42
Sandström, F., Binett, T., Wiklund, C. & Vikström, J. (2010): Alnöområdets geologi och mineralogi. Litiofilen. 27 (2) :14-42
Sandström, F., Binett, T., Wiklund, C. & Vikström, J. (2010): Alnöområdets geologi och mineralogi. Litiofilen. 27 (2):14-42
Tanzania
 
  • Mbeya Region
    • Mbeya
Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666.
UK
 
  • England
    • Devon
      • Okehampton area (Northern Dartmoor)
von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448.
USA
 
  • Arkansas
Howard, 1987. Mineral Species of Arkansas, addenda
      • Little Rock
Rocks and Minerals, (1989) 64:314-322
Min News (2000) 16:6 pp 1-5,9
  • California
    • San Diego Co.
      • Mesa Grande District
        • Gem Hill
Rocks and Mineral: 1998: 168 & 178, Figure 30.
Foord, Eugene E. and Mrose, Mary E. (1978), Rynersonite, a new mineral from San Diego County, California. American Mineralogist, Volume 63, pages 709-714.
  • Colorado
    • Fremont Co.
Minerals of Colorado (1997) Eckel, E. B.
"Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997; USGS Prof Paper 649
    • Larimer Co.
      • Crystal Mountain Pegmatite District (Storm Mountain District)
Minerals of Colorado (1997) Eckels, E. B.
  • Michigan
    • Dickinson Co.
      • Menominee iron range
        • Randville
Buchholz, T.W., A.U. Falster & W.B. Simmons (2014), Accessory Mineralogy of an Evolved Dickinson County, Michigan, Pegmatite, a presentation before the 41st. Rochester Mineralogical Symposium, April 25, 2014.
  • Montana
    • Ravalli Co.
      • Mineral Point District
        • Alta
Am Min (1959) 44:1-8; Gobla, M. J. (2012) Montana Mineral Locality Index. Rocks and Minerals 87:208-240.
American Mineralogist (1961) 46::1424-1447
  • New Hampshire
    • Carroll Co.
      • Albany
Nashua Min. Soc. Display Cat., 1995
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
Rocks and Minerals, November-December, 1975.; Rocks and Minerals, (1985) 60:76-82; Carolina Geological Society Field Trip Guidebook 1981, 39-48
  • Virginia
    • Amelia Co.
      • Amelia (Amelia Court House)
Lumpkin, G. R. (1998). Rare-element mineralogy and internal evolution of the Rutherford# 2 Pegmatite, Amelia County, Virginia; a classic locality revisited. The Canadian Mineralogist, 36(2), 339-353.
Mineral and/or Locality  
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