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Fergusonite-(Y)

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Formula:
YNbO
 
4
System:TetragonalColour:Grey, yellow, brown
Hardness:5½ - 6½
Name:After Robert Ferguson (1767-1840), Scottish landowner, politician and mineral collector.
Dimorph of:β-Fergusonite-(Y)
This page provides mineralogical data about Fergusonite-(Y).

Classification of Fergusonite-(Y)

IMA status:Approved
Strunz 8th edition ID:4/D.24-40
Nickel-Strunz 10th (pending) edition ID:7.GA.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
A : Without additional anions or H2O
Dana 8th edition ID:8.1.1.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
Hey's CIM Ref.:18.2.1

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U
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Type Occurrence of Fergusonite-(Y)

Type Locality:Kangeq, Sermersoq Island, Kujalleq, Greenland

Occurrences of Fergusonite-(Y)

Geological Setting:Rare earth bearing pegmatites, placer deposits.

Physical Properties of Fergusonite-(Y)

Lustre:Vitreous, Sub-Metallic, Dull
Diaphaneity (Transparency):Opaque
Colour:Grey, yellow, brown
Comment:Brownish black when altered, brown in transmitted light.
Streak:Brown, yellow brown, greenish gray
Hardness (Mohs):5½ - 6½
Tenacity:Brittle
Cleavage:Poor/Indistinct
Poor on {111}
Fracture:Sub-Conchoidal
Density (measured):5.6 - 5.8 g/cm3
Density (calculated):5.65 g/cm3

Crystallography of Fergusonite-(Y)

Crystal System:Tetragonal
Class (H-M):4/m - Dipyramidal
Space Group:I41/a
Cell Parameters:a = 5.15Å, c = 10.089Å
Ratio:a:c = 1 : 1.959
Unit Cell Volume:V 267.59 ų (Calculated from Unit Cell)
Z:4
Morphology:Prismatic to acicular dipyramidal crystals to 20cm.
Comment:Commonly metamict

Optical Data of Fergusonite-(Y)

Type:Isotropic
RI values: n = 2.05 - 2.19
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:Very High
Comments:Rarely uniaxial

Chemical Properties of Fergusonite-(Y)

Formula:
YNbO
 
4
Simplified for copy/paste:YNbO4
Essential elements:Nb, O, Y
All elements listed in formula:Nb, O, Y

Relationship of Fergusonite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.GA.05Fergusonite-(Ce)
(Ce,La,Nd)NbO
 
4
7.GA.05Fergusonite-(Nd)
(Nd,Ce)(Nb,Ti)O
 
4
7.GA.05Powellite
Ca(MoO
 
4
)
7.GA.05Scheelite
Ca(WO
 
4
)
7.GA.05Stolzite
Pb(WO
 
4
)
7.GA.05Wulfenite
Pb(MoO
 
4
)
7.GA.10Formanite-(Y)
YTaO
 
4
7.GA.10Iwashiroite-(Y)
Y(Ta,Nb)O
 
4
7.GA.15Paraniite-(Y)
Ca
 
2
Y(AsO
 
4
)(WO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:

- +
18.2.2β-Fergusonite-(Y)
YNbO
 
4
18.2.3Fergusonite-(Ce)
(Ce,La,Nd)NbO
 
4
18.2.4β-Fergusonite-(Ce)
(Ce,La,Nd)NbO
 
4
18.2.5Fergusonite-(Nd)
(Nd,Ce)(Nb,Ti)O
 
4
18.2.6β-Fergusonite-(Nd)
(Nd,Ce)NbO
 
4
18.2.7Formanite-(Y)
YTaO
 
4
18.2.8Pyrochlore Group
A
 
2
Nb
 
2
(O,OH)
 
6
Z
18.2.9Ceriopyrochlore (of Hogarth 1977)
18.2.10Strontiopyrochlore (of Hogarth 1977)
18.2.11Loparite-(Ce)
(Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O
 
3
18.2.12Fersmite
(Ca,Y)(Nb,Ta,Ti)
 
2
(O,OH)
 
6
18.2.13Aeschynite-(Ce)
(Ce,Ca,Fe,Th)(Ti,Nb)
 
2
(O,OH)
 
6
18.2.14Aeschynite-(Nd)
(Nd,Ce,Ca)(Ti,Nb)
 
2
(O,OH)
 
6
18.2.15Aeschynite-(Y)
(Y,Ca,Fe,Th)(Ti,Nb)
 
2
(O,OH)
 
6
18.2.16Nioboaeschynite-(Ce)
(Ce,Ca,Th)(Nb,Ti)
 
2
(O,OH)
 
6
18.2.17Nioboaeschynite-(Nd)
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)
 
2
(O,OH)
 
6
18.2.18Tantalaeschynite-(Y)
(Y,Ce,Ca)(Ta,Ti,Nb)
 
2
O
 
6
18.2.19Vigezzite
(Ca,Ce)(Nb,Ti)
 
2
O
 
6
18.2.20Murataite-(Y)
(Y,Na)
 
6
Zn(Zn,Fe
3+
 
)
 
4
(Ti,Nb,Na)
 
12
O
 
29
(O,F,OH)
 
10
F
 
4

Other Names for Fergusonite-(Y)

Synonyms:
α-Fergusonite
Other Languages:
German:α-Fergusonit
β-Fergusonit-(Y)
Fergusonit-(Y)
Japanese:フェルグソン石
Russian:Фергусонит-(Y)
Simplified Chinese:褐钇铌矿
Spanish:α-Fergusonita
Varieties:
Risörite

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Fergusonite-(Y)

Reference List:

- +
Soviet Physics – Crystallography: 26(1): 35-37.

Internet Links for Fergusonite-(Y)

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Fergusonite-(Y) details from Handbook of Mineralogy (PDF)
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  • Specimens:The following Fergusonite-(Y) specimens are currently listed for sale on minfind.com.

    Localities for Fergusonite-(Y)

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Mt Babbage area (Inlier)
    P.-A. Wulser unpublished data
    • Western Australia
      • Mukinbudin Shire
        • Mukinbudin
    M. Jacobson, M. Calderwood, B. Grguric; Pegmatites of Western Australia; (Perth 2007)
    M. Jacobson, M. Calderwood, B Grguric; Pegmatites of Western Australia; (Perth 2007)
    Austria
     
    • Salzburg
      • Hohe Tauern
        • Obersulzbach valley
          • Hopffeld area
    R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Tyrol
      • North Tyrol
        • Zillertal
          • Zamser Grund (Zams valley)
            • Schrammacher
    Folie, K., Rocchetti, I. (1999): Novità Mineralogiche del Passo di Vizze. Rivista Mineralogica Italiana, 4/1999, 222-230.
    M. Moro collection
    Burma (Myanmar)
     
    • Mandalay Division
      • Pyin-Oo-Lwin District
        • Mogok Township
          • Kyauk-Pyat-That
    Pavel M. Kartashov analytical data, Sieghard Ellenberger specimens
    Canada
     
    • Northwest Territories
      • Mackenzie District
        • Blachford Lake alkaline complex
    SHEARD, E.R., WILLIAMS-JONES, A.E., HEILIGMANN, M., PEDERSON, C. AND TRUEMAN, D.L. (2012) Controls on the concentration of zirconium, niobium, and the rare earth elements in the Thor Lake rare metal deposit, Northwest Territories, Canada. Economic Geology, 107(1), 81-104.
    Williams-Jones, A.E., Heiligmann, M., Sheard, E., Macwilliam, K., Pedersen, C.J., Mercer, W., and Trueman, D (2010) The Nechalacho Heavy Rare Earth And Rare Metal Deposit, Thor Lake, Northwest Territories, Canada. Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 335; Emma R. Sheard, Anthony E. Williams-Jones, Martin Heiligmann, Chris Pederson and David L. Trueman (2012) Controls on the concentration of zirconium, niobium, and the rare earth elements in the Thor Lake rare metal deposit, Northwest Territories, Canada. Economic Geology and the Bulletin of the Society of Economic Geologists(January 2012), 107(1):81-104; D. Robert Pinckston, Dorian G. W. Smith (1995) Mineralogy of the Lake zone, Thor Lake rare-metals deposit, N.W.T., Canada. Canadian Journal of Earth Sciences, 32:516-532; SHEARD, E.R., WILLIAMS-JONES, A.E., HEILIGMANN, M., PEDERSON, C. AND TRUEMAN, D.L. (2012) Controls on the concentration of zirconium, niobium, and the rare earth elements in the Thor Lake rare metal deposit, Northwest Territories, Canada. Economic Geology, 107(1), 81-104.
    CanMin 41:117-137
    • Ontario
      • Haliburton Co.
        • Cardiff Township
    No reference listed
      • Hastings Co.
        • Monteagle Township
    T. S. Ercit (1994) The geochemistry and crystal chemistry of columbite-group minerals from granitic pegmatites, southwestern Grenville Province, Canadian Shield. The Canadian Mineralogist 32:421-438
      • Nipissing District
        • Murchison Township
    Dana's New Mineralogy; Rocks & Min. (2007) 82:232-233
      • Thunder Bay District
    Mitchell et al. (1993)
    • Québec
      • Outaouais
        • Les Collines-de-l'Outaouais RCM
          • Val-des-Monts
            • Lac Saint-Pierre (Wakefield Lake)
    Miles, N. M., Hogarth, D.D. & Russell, D.S. (1971): Wakefieldite, yttrium vanadate, a new mineral from Quebec. American Mineralogist. 56, 395-410
    Hilderley, M., Ercit, T.S., Rowe, R.A. (2006) 33rd Rochester Mineralogical Symposium, abstracts, 13-14.
    China
     
    • Guangdong Province
      • Qingyuan Prefecture
        • Fogang Co.
    Zhenhai Wang (2000): Guangdong Geology 15(2), 9-18
    • Guangxi Zhuang Autonomous Region
      • Liuzhou Prefecture
        • Rong'an Co.
          • Huashan Sn ore field
    Zhiwei Bao and Zhenhua Zhao (2008): Ore Geology Reviews 33, 519-535.
    • Hunan Province
      • Hengyang Prefecture
        • Leiyang Co.
    Zhijun Shen, Linglin Xie, and Zhengyu Quan (2003): Hunan Geology 22(1), 30-33, 63; Zeheng Lei, Yusheng Qiao, and Yiming Xu (2009): Geology and Exploration 45(2), 44-52; Ottens, Berthold (2012) The Shangbao mine, Hunan Province, China. Mineralogical Record 43:587-608
      • Yongzhou Prefecture
        • Jianghua Co.
          • Guposhan Sn-polymetallic ore field
    Zhijun Shen, Linglin Xie, and Zhengyu Quan (2003): Hunan Geology 22(1), 30-33, 63; Zhiwei Bao and Zhenhua Zhao (2008): Ore Geology Reviews 33, 519-535
    Zhijun Shen, Linglin Xie, and Zhengyu Quan (2003): Hunan Geology 22(1), 30-33, 63
    • Inner Mongolia Autonomous Region
      • Baotou League (Baotou Prefecture)
        • Bayan Obo Mining District
          • Bayan Obo
    Qingchang Meng (1981): Geology and Prospecting 17(3), 10-17
    • Jiangxi Province
      • Ganzhou Prefecture
        • Chongyi Co.
    Jili Shen (1988): Acta Petrologica Sinica 4(2), 32-41
        • Dayu Co.
    Rucheng Wang, Fontan, F., Xiaoming Chen, Huan Hu, Changshi Liu, Shijin Xu, and de Parseval, P. (2003): Canadian Mineralogist 41, 727-748.
        • Longnan Co.
    Yunhuai Lin and Shiyang Chen (1985): Geology and Prospecting 21(3), 23-31
      • Ji'an Prefecture
        • Suichuan Co.
    Weizheng Hu, Junping Huang, and Xiaowen Huang (2005): Resources Survey and Environment 26(4), 258-266
    • Liaoning Province (Manchuria; Dongbei Region)
    Pavel M. Kartashov data
    • Sichuan Province
      • Liangshan Autonomous Prefecture
        • Dechang Co.
    Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
      • Panzhihua Prefecture
        • Yanbian Co.
    Fenlian Wang, Taiping Zhao, and Wei Chen (2012): Mineral Deposits 31(2), 293-308
    Fenlian Wang, Taiping Zhao, and Wei Chen (2012): Mineral Deposits 31(2), 293-308
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • South Bohemia Region
        • Písek
    Škoda R., Novák M., Cícha J., Uranium-niobium-rich alteration products after “písekite”, an intimate mixture of Y,REE,Nb,Ta,Ti-oxide minerals from the Obrázek I pegmatite, Písek, Czech Republic Journal of Geosciences, 56 (2011), 3, 317 - 325
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Třebíč
    Škoda, R., Novák, M., Houzar, S.: Granitické NYF pegmatity třebíčského plutonu. Acta Musei Moraviae, Scientiae geologicae, 2006, roč. 91, s. 129 - 176.
    Finland
     
    • Lapland Region
      • Inari
        • Lemmenjoki
          • Miessijoki River
    Tuisku, Pekka 2010. Heavy minerals from gold sluicing in Lapland Gold Rush area and their bearing on the origin of gold bearing tills. Res Terrae, Ser A, N:o 31. Proceedings of the Nordic Mineralogical Network V annual Meeting.
    • Northern Finland Region
      • Pyhäntä
    Al Ani Thair and Torppa Akseli 2011. REE-Nb mineralogy in Katajakangas and Lamujärvi alkaline rocks, Central Finland
    • Western and Inner Finland Region
      • Kangasala
    Vorma, A., Ojanperä, P., Hoffrén, V., Siivola, J. & Löfgren, A.(1966): On the rare earth minerals from the Pyörönmaa pegmatite in Kangasala, SW-Finland. Bulletin de la Commission Géologique Finlande 222. 241-274
    France
     
    • Aquitaine
      • Pyrénées-Atlantiques
        • Aramits
          • Ance
    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.
    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
    Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (IX), Mineralien-Welt 5/1,18, 1994
          • Mendig
            • Niedermendig
    Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (IX), Mineralien-Welt 5/1,18, 1994
    Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (IX), Mineralien-Welt 5/1,18, 1994
              • Wingertsberg
    Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (IX), Mineralien-Welt 5/1,18, 1994
        • Mayen
          • Ettringen
            • Bellerberg volcano
    Blass, G., Graf, H.W., Kolitsch, U., Sebold, D., Neue Funde aus der Vulkaneifel , Mineralien-Welt 15/3, 58-69, 2004
    • Saxony
      • Oberlausitz
        • Görlitz
          • Königshain
    Witzke, T. & Giesler, T. (2013): Eine Seltenerd- und Niob-Tantal-Mineralisation aus dem Königshainer Granit in der Lausitz, Sachsen.- Mineralien-Welt 24(1), 36-45
    Greenland
     
    • Kujalleq
      • Sermersoq Island
    Petersen, O.V & Johnsen, O. (2005): Minerals first described from Greenland. Canadian Mineralogist Special Publication 8, 184p.
    Italy
     
    • Aosta Valley
      • Courmayeur
        • Les Grandes Jorasses Massif
          • Ferret Valley
    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.
    • Liguria
      • Savona Province
        • Maremola Valley
          • Magliolo
    Balestra, C., Ciriotti, M.E., Bracco, R. (2011): Su alcune novità mineralogiche liguri caratterizzate dal SIUK dell'AMI. MICRO, 2011, 46-53.
    • Piedmont
      • Torino Province
        • Luserna San Giovanni
    - Finello, G., Ambrino, P., Kolitsch, U., Ciriotti, M.E., Blaß, G., Bracco, R. (2007): I minerali della “Pietra di Luserna”, Piemonte, Italia nord-occidentale. I. Alcune cave di gneiss della Val Luserna. Micro (località), 2/2007, 181-226.
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Beura-Cardezza
    Preite, D., Mattioli, V., Cini, V., Besana, G. (1997): Die mineralien von Beura und Villadossola (NO), Oberitalien. Lapis, 5/1997, 13-26.
          • Vigezzo Valley
            • Craveggia
    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.
            • Trontano
    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.
    • Trentino-Alto Adige
      • Bolzano Province (South Tyrol)
        • Vizze Valley (Pfitsch Valley)
          • San Giacomo
            • Vizze pass (Pfitsch pass)
    Buscaroli, C., Del Pozzo, C., e Tosato, F. (1994): La fergusonite della Wasserfallkopfe in Val di Vizze. Rivista Mineralogica Italiana, 4/1994, 337-341
      • Trento Province
        • Fiemme Valley
          • Predazzo
    Vecchi, F., Rocchetti, I. & Gentile, P. (2013): Die Mineralien des Granits von Predazzo, Provinz Trient, Italien. Mineralien-Welt, 24(6), 98-117 (in German).
    Japan
     
    • Honshu Island
      • Kanto Region
        • Ibaraki Prefecture
          • Takahagi City
    Nagashima,Otokichi(1960)Nihon Kigenso Koubutsu(Rare Earth Minerals in Japan) pp.327-328
      • Kinki Region
        • Shiga Prefecture
          • Otsu City
    Nakatsugawa Mineral Museum (Gifu Prefecture, Japan)
      • Tohoku Region
        • Fukushima Prefecture
          • Kawamata
    National Science Museum specimens (Tokyo); Am. Min. 69:196-199
            • Iizaka Village (Iisaka)
    Alfredo Petrov specimen, from Kotaro Watanabe.; Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
    • Kyushu Region
      • Miyazaki prefecture
        • Nobeoka City
          • Kitagawa
    Okada, T. (2011) Hellandite from Mt. Ookueyama, Kitagawa Town, Nobeoka City, Miyazaki Prefecture, Japan. Chigaku Kenkyu, 60 (1), 25-31.
    Madagascar
     
    • Antananarivo Province
      • Analamanga Region
        • Anjozorobe District
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
      • Itasy Region
        • Soavinandriana District
          • Mahavelona Commune
    [www.johnbetts-fineminerals.com]
      • Vakinankaratra Region
        • Betafo District
          • Manapa pegmatite Field
    Rob Lavinsky specimen
    Knut Edvard Larsen collection # MM-1585, MM-2039(from near Faratsiho)
        • Sahatany Pegmatite Field (Mt Ibity area)
          • Sahatany Valley
    Knut Edvard Larsen collection # MM- 3943, Visual identification by F. Pezzottta may 2007.
    • Antsiranana Province
      • Diana Region (Northern Region)
        • Ambanja District
          • Ampasindava Peninsula
    Estrade, G., et al.: REE and HFSE mineralization in peralkaline granites of the Ambohimirahavavy alkaline complex, Ampasindava peninsula, Madagascar. J. Afr. Earth Sci. (2013), (article in press)
    Malawi
     
    • Zomba District
    Cairncross, B., Messner, K & Farquharson, E. (1999): Die Pegmatite des Mount Malosa bei Zomba, Malawi. LAPIS 24 (4), 22-32; Cairncross, B. (2002). Aegirine and Associated Minerals from Mount Malosa, Malawi. Rocks & Minerals, 77(1), 31-37.
    Mexico
     
    • Chihuahua
      • Mun. de Aldama
        • Puerto del Aire
    Panczner (1987): 191.
    • Oaxaca
      • Mun. de la San Francisco Telixtlahuaca
        • San Francisco Telixtlahuaca
    Panczner (1987): 88-357.
    Mongolia
     
    • Hovd Aimag (Khovd Aimag)
      • Altai Mts
    P.M. Kartashov data
          • Mount Ulyn Khuren
    Can Min 40:1641-1648
    P.M. Kartashov data
    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; Econ Geol (1995) 90:530-547
    Mozambique
     
    • Zambezia Province
      • Alto Ligonha District
    Dias, M. Bettencourt and Wilson, W. E., 2000, Mineralogical Record, 31:459-497.
    Dias, M. Bettencourt and Wilson, W. E., 2000, Mineralogical Record, 31:459-497.
    Dias, M. Bettencourt and Wilson, W. E., 2000, Mineralogical Record, 31:459-497.
    Dias, M. Bettencourt and Wilson, W. E., 2000, Mineralogical Record, 31:459-497.
    Dias, M. Bettencourt and Wilson, W. E., 2000, Mineralogical Record, 31:459-497.
    North Korea
     
    • Kangwon Province
      • Pyonggang-gun
    Pavel M. Kartashov data
    Norway
     
    • Aust-Agder
      • Birkenes
        • Øynaheia
    Knut Edvard Larsen collection # MM-5366 (Ex Harald Breivik collection)
      • Evje og Hornnes
        • Landsverk
    Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6
      • Froland
    Nilssen, B. (1970): Samarskites. Chemical composition, formula and crystalline phases produced by heating. Norsk Geologisk Tidsskrift 50, 357-373
        • Mykland
    Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p.32]
      • Gjerstad
    [var: Risörite] Hauser, O. (1908): Risörit ein neues Mineral. Zeitschrift für anorganische Chemie, 60: 230-236; Barth, T. (1927): The structure of risørite. Norsk Geologisk Tidsskrift, 9: 37-39
      • Iveland
    Pavel M. Kartashov data
        • Frikstad
    Revheim, O. (2007): Slobrekka, Iveland. [Del 2]. STEIN 34 (1), 3-5
        • Frøyså
    Olav Revheim photo
    Collection of Iveland Municipality # IKM_227
        • Ljosland
          • Knipan (Knipane)
    Breivik, H., Myre, K. & Gunnufsen, K. (2010): Gammelt og nytt, stort og smått fra Storsynken, Knipane, Iveland. Norsk Bergverksmuseum Skrift. 43: 88-93
      • Risør
    Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p.32]
    • Buskerud
      • Øvre Eiker
        • Gunhildrud
    Jahren, J.; Berg, H.J.; Hurum, J.H. & Wulff-Pedersen, E. (1998): Nye undersøkelser av amazonitt-genthelvin pegmatitten fra Fiskum, Øvre Eiker. Bergverksmuseets Skrift 14, 13-16
    • Nordland
      • Sørfold
    Ellingsen, H.V., Haugen, A., Raade, G., Eldjarn, K. & Berg, H.-J., (1995): Sjeldne mineraler i en amazonittpegmatitt ved Tennvatn i Nordland. Norsk Bergverksmuseums Skriftserie 9, 35-37
      • Tysfjord
    Vogt, T. (1911): Vorlaufige Mitteilung über Yttrofluorit, eine neue Mineralspezies aus dem nördlichen Norwegen. Centralblatt für Mineralogie, Geologie und Paläontologie, 373-377
    Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
    • Østfold
      • Moss
        • Dillingøya (Dillingö)
    Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p.31]
    Bjørlykke, H. (1939): Feltspat V. De sjeldne mineraler på de norske granittiske pegmatittganger. Norges Geologiske Undersøkelse. 154. 77p.
          • Tolåsen
    Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p.31]
    Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6
      • Råde
    Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p.32]
    Oftedal (1962b, p. 137);Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6
    Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6
    • Telemark
      • Drangedal
        • Tørdal
    Raade et al(1993): Kuliokite-(Y) and its alteration products kainosite-(Y) and kamphaugite-(Y) from granite pegmatite in Tørdal, Norway, European Journal of Mineralogy: 5: 691-698.
      • Nome
    Åmli,R. (1974): Rapport, Mineralogisk-Geologisk Museum. Mineralogiske og geokjemiske undersøkelser vedrørende scandium, niob og sjeldne jordarter i Fensfeltet, Ulefoss( p. 49) Cited in Neumann, H. (1985): Norges Mineraler. Norges Geologiske Undersøkelse Skrifter 68, p. 83).
      • Porsgrunn
        • Bjørkedalen
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Karkonosze Mts (Karkonosze Massif)
        • Szklarska Poręba District
    Szełęg E. & Škoda R. 2008: Y, REE-rich zirconolite from the Skalna Brama pegmatite near Szklarska Poręba (Karkonosze Massif, Lower Silesia, Poland). Mineralogia - Special Papers, vol. 32, p. 159
    Pieczka A., Gołębiowska B. 2002: Pegmatites of the Szklarska Poręba Huta granite quarry: preliminary data on REE-mineralization. Mineralogia Polonica, vol. 20, 175-177
      • Strzegom-Sobótka Massif
        • Jawor District
    SZEŁĘG E., CIURLA A., 2004: Preliminary data on Nb-Ta oxides in pegmatites
    Portugal
     
    • Azores District
      • San Miguel Island
    Ternes, B., Mineralien von der Azoreninsel Sao Miguel, Lapis, 20-42, 1999
    Ternes, B. (1999): Mineralien von der Azoreninsel Sao Miguel (Portugal). Lapis, 24 (1), 20-42
    Romania
     
    • Harghita Co.
      • Ditrău (Ditró)
    Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
    Russia
     
    • Eastern-Siberian Region
      • Sakha Republic (Saha Republic; Yakutia)
        • Polar Yakutia
          • Cherskii range system
            • Selennyakh range
              • Tommot river
    Pavel M. Kartashov data
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
    Victor V. Sharygin analytycal data (2012)
      • Tuva Republic
    Pavel M. Kartashov data
        • Sangilen Upland
    Kapustin Yu.L. (1989) Cerite and ternebohmite from fenites of alkaline massifs of Tuva, - Zapiski VMO, 118(4), p. 47-56 (in Rus.)
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Keivy Mountains
    Pavel M. Kartashov data
    A.V. Voloshin, Ya.A. Pakhomovskii Minerals and mineralformation evolution in amazonite pegmatites of Kola peninsula, - Leningrad, Nauka, 1986, pp.168.
    Pavel M. Kartashov data
    Pavel M. Kartashov data
    www.koeln.netsurf.de/~w.steffens/khib.htm
        • Northern Karelia
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Southern Siberia
      • Sayan Mts
        • Eastern Sayan
    Savel'eva V.B. Karmanov N.S. (2008) Rare earth's minerals of alkaline metasomatites of Main Sayan Fault zone, - Zapiski RMO, N2, pp.14-35 (in Rus.).; Savel’eva, V.B., and Karmanov, N.S. (2008): Geology of Ore Deposits 50(8), 681-696.
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Ilmen Mts
            • Ilmen Natural Reserve
    Dana 7:I:761.
              • Lake Ishkul'
    Am. Min. 90:1402-1412 (2005)
    P.M. Kartashov data
    • Western-Siberian Region
      • Polar Urals
        • Nenetskiy Autonomous Okrug
          • Labytnangi
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Rwanda
     
    • Western Province
      • Gatumba District
    Bertossa, A., 1967. Inventaire des minéraux du Rwanda. Bulletin du Service Géologique de Rwanda 4, 25-45.; Daltry, V.D.C. and O. von Knorring (1998) Type-Mineralogy of Rwanda with Particular Reference to the Buranga Pegmatite. Geologica Belgica 1:1-9
    Saudi Arabia
     
    • Mintaqah Tabuk
      • Midyan
    Küster, D. (2009): Ore Geology Reviews 35, 68-86.
    Slovakia
     
    • Košice Region
      • Rožňava Co.
    Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    South Africa
     
    • North West Province
      • Bojanala Platinum District
        • Western Bushveld Complex
          • Pilanesberg Alkaline Complex
    • Northern Cape Province
      • Namakwa District (Namaqualand)
    Minerals of South Africa
    Minerals of South Africa
      • ZF Mgcawu District
    Minerals of South Africa
    South Korea
     
    • Chungcheongbukdo (Chungchong-pukto)
      • Chungju (Chung Won Kum; Chung-ju)
        • Joongwon-gun
          • Mt. Eorae
    P.M. Kartashov data
    Sweden
     
    • Dalarna
      • Gagnef
        • Mockfjärd
      • Säter
        • St. Skedevi
    No reference listed
    • Jämtland
      • Bräcke
    Kjellman et al. 1999, Can. Min. vol.37, 832-3.
    • Lappland
      • Jokkmokk
    No reference listed
        • Varjisträsk
    • Norrbotten
      • Råneå
    Pavel M. Kartashov data, Aksel Österlöf specimen
    • Småland
      • Vetlanda
        • Alseda
    Swedish Nat.Musuem
    • Södermanland
      • Nynäshamn
    Gustafsson, Lars & Otter, Bertil (1991): Mineralförekomster i Stockholmstrakten.Del 2. STEIN 18(4),4-12
    • Uppland
      • Norrtälje
        • Väddö
    Wilke, H.-J. (1997): Die Mineralien und Fundstellen von Schweden. Chr. Weise Verlag, München, 200 pp. (in German)
    Wilke, H.-J. (1997): Die Mineralien und Fundstellen von Schweden. Chr. Weise Verlag, München, 200 pp. (in German)
      • Vaxholm
        • Resarö
    Riksmuseet Stockholm specimen
    • Värmland
      • Filipstad
        • Persberg district
    No reference listed
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Chummibort
    See references at locality description - cuchet et al. 2014, Schweizer Strahler. I am co-author - M. Crumbach
        • Kriegalp Valley (Chriegalp Valley)
    M. Praeger and M. Crumbach: Lapis 29(7/8):59-64; 86 (2004)
      • Hérens Valley
        • Thyon
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 161.
    Tajikistan
     
    • Region of Republican Subordination
      • Tien Shan Mtn
        • Alai Range (Alayskiy)
    I. Pekov data pers. comm. L. Horváth 2008
    UK
     
    • Scotland
      • North West Highlands (Inverness-shire)
        • Isle of Skye
          • Luib
    S Rust collection
    USA
     
    • Colorado
      • Douglas Co.
    "Minerals of Colorado, updated & revised", p. 13, by Eckel, Edwin B., 1997
      • El Paso Co.
    "Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997
      • Fremont Co.
    "Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997
      • Gunnison Co.
        • Quartz Creek Pegmatite District
    Miller, 1957
      • Jefferson Co.
        • Clear Creek pegmatite Province
    Minerals of Colorado (1997) Eckels, E. B.
        • South Platte Pegmatite District
    Minerals of Colorado (1997) Eckel, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckel, E. B.
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) Eckels, E. B.
      • Teller Co.
    Minerals of Colorado (1997) E.B. Eckels
    • Idaho
      • Boise Co.
    Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
    • Maine
      • Sagadahoc Co.
        • Topsham
    King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.
    • Massachusetts
      • Essex Co.
    www.handbookofmineralogy.org/pdfs/fergusonitey.pdf
    • Nevada
      • Pershing Co.
        • Antelope District
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New Hampshire
      • Carroll Co.
    Robert Janules
    • New York
      • Essex Co.
        • Crown Point Township
          • Crown Point Center
    M.V. Lupulescu, J.D. Price, and J.R. Chiaranzelli (2011) The 38th Rochester Mineralogical Symposium, April 14-17, 2011, lecture abstracts, page 24-25.
      • Saratoga Co.
        • Overlook
    Marian Lupulescu (2010) The Pegmatites of New York. The 37th Rochester Mineralogical Symposium, April 15-18, 2010
    • North Carolina
      • Burke Co.
        • Brindletown
    Jan H.Bernard and Jaroslav Hyrsl,2004,Minerals and their Localities,pg 211
      • Mitchell Co.
    rruff.geo.arizona.edu/doclib/horn/fergusonitey.pdf
          • Spruce Pine
            • Greasy Creek Township
    Warner,Richard.,Poterala,Stephen and Fleisher,Chris (2008) A Note On Uranium Minerals From The Spruce Pine Area,North Carolina: Carolina Geological Society,2008,Annual Meeting,Spruce Pine Mining District
    Warner,Richard.,Poterala,Stephan and Fleisher,Chris (2008) A Note On Uranium Minerals From The Spruce Pine Area,North Carolina : Carolina Geological Society,2008,Annual Meeting,Spruce Pine Mining District
    • Texas
      • Llano Co.
        • Bluffton
    American Mineralogist (1925): 10: 77
        • Kingsland Granite Company Quarry (Petrick Quarry)
    Arthur Smith, Frank Roberts, Denise Bicknell (2008) Mineral News, 24, #1, 6-7.
    • Wisconsin
      • Marathon Co.
    Hanson, S.L., et al (1999) Rocks and Minerals, 74, 184
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