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Euxenite-(Y)

Big Photo

Hilltveit (Hiltveit), Iveland, Aust-Agder, Norway
© B. Otter

Show Euxenite-(Y) Photos (71)
Formula:
(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
 
2
O
 
6
System:OrthorhombicColour:Black, greenish or ...
Hardness:5½ - 6½
Name:From the Greek εΰζευος, friendly to strangers, hospitale, in allusion to the many rare elements that it contains.
This page provides mineralogical data about Euxenite-(Y).

Classification of Euxenite-(Y)

IMA status:Approved
Strunz 8th edition ID:4/D.19-40
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:8.3.8.2

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
Hey's CIM Ref.:18.4.5

18 : Niobates and Tantalates
4 : Niobates and tantalates containing both U and rare earths
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Type Occurrence of Euxenite-(Y)

Type Locality:Jølster, Sunnfjord, Sogn og Fjordane, Norway

Occurrences of Euxenite-(Y)

Geological Setting:Granitic pegmatites. Placer deposits.

Physical Properties of Euxenite-(Y)

Lustre:Vitreous, Greasy, Sub-Metallic
Colour:Black, greenish or brownish tint at times
Comment:Brown to yellow brown in transmitted light.
Streak:Yellowish, grayish, reddish brown
Hardness (Mohs):5½ - 6½
Hardness (Vickers):VHN50=633 - 692 kg/mm2
Tenacity:Brittle
Fracture:Conchoidal, Sub-Conchoidal
Density (measured):5.3 - 5.9 g/cm3
Density (calculated):5.16 g/cm3

Crystallography of Euxenite-(Y)

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:a = 5.5528(6) Å, b = 14.6432(20) Å, c = 5.1953(7) Å
Ratio:a:b:c = 0.379 : 1 : 0.355
Unit Cell Volume:V 422.43 ų (Calculated from Unit Cell)
Z:4
Morphology:Stout prismatic [001]. The faces are striated parallel to their intersection with {010} Often in parallel or subparallel and slightly radial aggregates of crystals. Massive.
Twinning:1. On {201}, common. The twins are flattened {010} and striated [001] 2. Possibly on {101}, rare. 3. Possibly on {013}.
Crystal Atlas:
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Euxenite-(Y) no.4 - Goldschmidt (1913-1926)
Euxenite-(Y) no.5 - Goldschmidt (1913-1926)

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Optical Data of Euxenite-(Y)

Type:Isotropic
RI values: n = 2.06 - 2.24
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:Very High
Type:Isotropic

Chemical Properties of Euxenite-(Y)

Formula:
(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
 
2
O
 
6
Essential elements:Nb, O, Y
All elements listed in formula:Ca, Ce, Nb, O, Ta, Th, Ti, U, Y

Relationship of Euxenite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.DG.05Fersmite
(Ca,Ce,Na)(Nb,Ta,Ti)
 
2
(O,OH,F)
 
6
4.DG.05Kobeite-(Y)
(Y,Zr)
 
2
(Ti,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DG.05Loranskite-(Y)
(Y,Ce,Ca)ZrTaO
 
6
 (?)
4.DG.05Polycrase-(Y)
(Y,U)(Ti,Nb)
 
2
O
 
6
4.DG.05Tanteuxenite-(Y)
(Y,Ce,Ca)(Ta,Nb,Ti)
 
2
(O,OH)
 
6
4.DG.05Uranopolycrase
(U
4+
 
,Y)(Ti,Nb)
 
2
O
 
6
4.DG.05Yttrocrasite-(Y)
(Y,Th,Ca,U)(Ti,Fe)
 
2
(O,OH)
 
6
4.DG.10β-Fergusonite-(Y)
YNbO
 
4
4.DG.10β-Fergusonite-(Nd)
(Nd,Ce)NbO
 
4
4.DG.10β-Fergusonite-(Ce)
(Ce,La,Nd)NbO
 
4
4.DG.10Yttrotantalite-(Y)
(Y,Ca,U
4+
 
,Fe
2+
 
)
 
2
(Ta,Nb)
 
2
O
 
8
4.DG.10Beta-Fergusonite-(Nd)
4.DG.15Foordite
(Sn,Pb)(Nb,Ta)
 
2
O
 
6
4.DG.15Thoreaulite
SnTa
 
2
O
 
6
4.DG.20Raspite
PbWO
 
4
Related Minerals - Hey's Index Grouping:

- +
18.4.1Uranpyrochlore
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
18.4.2Yttrocolumbite-(Y)
Y(U
4+
 
,Fe
2+
 
)Nb
 
2
O
 
8
18.4.3Yttrotantalite-(Y)
(Y,Ca,U
4+
 
,Fe
2+
 
)
 
2
(Ta,Nb)
 
2
O
 
8
18.4.4Ishikawaite
U
4+
 
Fe
2+
 
Nb
 
2
O
 
8
18.4.6Tanteuxenite-(Y)
(Y,Ce,Ca)(Ta,Nb,Ti)
 
2
(O,OH)
 
6
18.4.7Kobeite-(Y)
(Y,Zr)
 
2
(Ti,Fe
3+
 
)
 
2
(O,OH)
 
7
18.4.8Polycrase-(Y)
(Y,U)(Ti,Nb)
 
2
O
 
6
18.4.9Yttropyrochlore-(Y)
(Y,Ca,U)
 
1-2
(Nb,Ta,Ti)
 
2
(O,OH)
 
7
18.4.10Calciobetafite
(Ca,RE,Th,U)
 
2
(Nb,Ta,Ti)
 
2
O
 
7
18.4.11Yttrobetafite-(Y)
(Y,U,Ce)
 
2
(Ti,Nb,Ta)
 
2
O
 
6
OH
18.4.12Samarskite-(Y)
(Y,Fe
3+
 
,Fe
2+
 
,U,Th,Ca)
 
2
(Nb,Ta)
 
2
O
 
8

Other Names for Euxenite-(Y)

Synonyms:
EuxeniteGuimaraesite (of Gagarin & Cuomo)Lyndochite
Other Languages:
German:Euxenit
Russian:Эвксенит-(Y)
Spanish:Euxenita

Other Information

Health Warning:May be radioactive.

References for Euxenite-(Y)

Reference List:Scheerer (1840), Ann. Pys.: 50: 149.

Scheerer (1847), Ann. Phys.: 72: 566.

Ellsworth (1927), American Mineralogist: 12: 212.

Simpson (1928), Royal Society of Western Australia, Journal: 14: 45.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 787-792.

Zeitschrift für Kristallographie: 152: 69-82.

Internet Links for Euxenite-(Y)

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    Localities for Euxenite-(Y)

    Hide Locality List
    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
     
    • Northern Territory
    • Western Australia
      • Greenbushes Tinfield
    		Econ Geol (1995) 90:616-635
      • Mukinbudin
    		www.minsocam.org/MSA/Special/Pig/PIG_best_shots/Pegmatites_shots.html.
      • Pilbara Region
    		AmMin 13:457
    Austria
     
    • Lower Austria
      • Waldviertel
        • Gmünd
          • Schrems
            • Gebharts
    		KOLLER, F. & G. NIEDERMAYR (1978): Die Mineralvorkommen der Diorite des nördlichen Waldviertels. – Annal. Naturhist. Mus. Wien, 82: 193-208.
        • Waidhofen an der Thaya
          • Pfaffenschlag
    		KOLLER, F. & G. NIEDERMAYR (1978): Die Mineralvorkommen der Diorite des nördlichen Waldviertels. – Annal. Naturhist. Mus. Wien, 82: 193-208.
    • Salzburg
      • Hohe Tauern Mts
        • Obersulzbach valley
          • Hopffeld area
    		A. Strasser: Die Minerale Salzburgs (1989)
        • Rauris valley
          • Hüttwinkl valley
    		A. Strasser: Die Minerale Salzburgs (1989)
    A. Strasser: Die Minerale Salzburgs (1989)
    • Tyrol
      • North Tyrol
        • Ziller valley
          • Zamser Grund (Zams valley)
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Brazil
     
    • Southeast Region
      • Minas Gerais
    		Morteani, G., Preinfalk, C., and Horn, A.H. (2000): Mineralium Deposita 35, 638-655.
        • Jaguaraçu
    		[Mineralogical Record - Vol 25 No.3]
    Canada
     
    • Ontario
      • Haliburton Co.
        • Cardiff Township
    		GSC Report 39
          • Wilberforce
    		GSC misc report 39
      • Hastings Co.
        • Bancroft District
          • Faraday Township
    		No reference listed
          • Monteagle Township
    		Ref.: Geological Survey of Canada Miscellaneous Report 39.
    Ref.: Geological Survey of Canada Miscellaneous Report 39.
      • Lanark Co.
        • Perth
    		Geological Survey of Canada Miscellaneous Report 41
      • Nipissing District
        • Mattawan Township
          • Mattawan
    		Geological Survey of Canada Paper 70-50.
    Geological Survey of Canada Paper 70-50
        • Murchison Township
          • Madawaska
    		Geological Survey of Canada Paper 70-50
    ontariominerals.com
      • Renfrew Co.
    		Yale Peabody Museum
        • Lyndoch Township
          • Quadeville
    		Steacy, H.R., Rose, E. R., Moyd, L. & Hogarth, D.D. (1982): Some classic Mineral Localities of Southeastern Ontario. Mineralogical Record 13: 197-203
    Rocks and Minerals For The Collector: Ottawa to North Bay, Ontario; Hull to Waltham, Quebec
        • Mackey
    		Geological Survey of Canada Paper 70-50.
        • Raglan Township
    		Rocks and minerals for the collector: ottawa to north bay
    • Québec
      • Gatineau Co.
        • Wakefield Township
          • St-Pierre-de-Wakefield
    		Hogarth, D. et al., 1983, Classic Mineral Collecting Localities in Ontario and Quebec:, p. 29.
      • Lanaudière
        • Matawinie RCM
          • Saint-Michel-des-Saints
    		Sabina, A.P. (1983) Rocks & Minerals for the collector; Kingston, Ontario to Lac St-Jean, Quebec. GSC Misc. Report 32, 65-66 p.
      • Outaouais
        • Les Collines-de-l'Outaouais RCM
          • Val-des-Monts
    		No reference listed
    China
     
    • Inner Mongolia Autonomous Region
      • Hinggan (Xing'an) League
        • Horqin Right Middle Banner
    		http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt
    • Jiangxi Province
      • Ganzhou Prefecture
        • Dayu Co.
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    • Liaoning Province (Manchuria; Dongbei Region)
    		Pavel M. Kartashov data
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
    		Vepice, Písek, South Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
          • Krásno
            • Vysoký Kámen
    		Vepice, Písek, South Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
    Egypt
     
    • Red Sea Governorate
      • North Eastern Desert
    Ethiopia
     
    • Wallaga (Welega; Wollega; Ouallega) Province
      • Assosa region
    		P.M. Kartashov data
    Finland
     
    • Etelä-Suomen Lääni
      • Southern Karelia
        • Luumäki
          • Kännätsalo
    		Bergverksmuseets Skrift 33, 87-107
    France
     
    • Pays de Loire
      • Vendée
        • Les Herbiers
    		B. Guerangé et al. ,1973, Colloque Scientif. Internat. E. Raguin, pp. 130-137.
    French Guiana
     
    • Arrondissement of Saint-Laurent-du-Maroni
      • Apatou Commune
    		Bull. Soc. Franç. Minéralo. Cristallo. , 1964, LXXXVII, p. 625-626.
    Germany
     
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Waldkirchen
            • Röhrnbach
    		Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
    • Saxony
      • Oberlausitz
        • Görlitz
          • Biesig
    		T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    www.minmax.net
    T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
          • Thiemendorf
    		Aufschluss 49 (1998) 293-297
    T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
        • Weißenberg
          • Döbschütz
    		T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    Guyana
     
    • Barima-Waini Region
    India
     
    • West Bengal
      • Purulia District
    		Baidya, T.K.: :A note on some-uranium-thorium bearing pegmatoids of Nawahatu area, Purulia district, West Bengal:, Indian Minerals 46(2), 175-176 (1992)
    Italy
     
    • Lombardy
      • Varese Province
        • Ceresio Valley
    		Guastoni A., Pezzotta F., Demartin F., 2004. Contributo alla mineralogia del granofiro di Cuasso al Monte: recenti determinazioni su esemplari del MSNM. Riv. Mineral. Ital., 28, 4: 194-202.
    • Piedmont
      • Torino Province
        • Orco 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.
      • 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.
          • Domodossola
            • Cosasca
    		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.
          • 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.
    Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milano, 1974
            • Druogno
              • Orcesco
    		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.
            • Toceno
    		Rivista Mineralogica Italiana, 23 (1), 42-49.
            • Trontano
    		Vittorio Mattioli (1976) - Località mineralogiche consigliate: Rio Graja, Trontano, Valle Vigezzo - in Notiziario del Gruppo Min. Lombardo - Vol. 2, Jun. 1976 pp. 40-42
    • Trentino-Alto Adige
      • Bolzano Province (South Tyrol)
        • Vizze Valley (Pfitsch Valley)
          • San Giacomo
            • Vizze pass (Pfitsch pass)
    		Folie K. Rocchetti I. (1999) Novità mineralogiche dal Passo di Vizze, Rivista Mineralogica Italiana, n° 4, 222-230
    • Tuscany
      • Livorno Province
        • Elba Island
          • Campo nell'Elba
    		Orlandi et al., 1990. Nb-Ta oxides from Elba Island pegmatites. Atti Soc. Tosc. Sci. Nat., Mem., Serie A, 97: 161-173
    P. Orlandi, M. Pasero, N. Perchiazzi (1990) - Nb-Ta oxides from Elba Island pegmatites. - Atti Soc. Tosc. Sc. Nat., Mem. serie A, v.97: 161-173.
    Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
    F. Pezzotta, F.C. Hawthorne, M.A. Cooper, D.K. Teerstra (1996) - Fibrous foitite from S. Piero in Campo, Elba, Italy. - Canad. Min., 34: 741-744.
    Japan
     
    • Honshu Island
      • Kinki region
        • Kyoto prefecture
          • Ohmiya town
            • Kobe
    		Sakurai et al. (1962): Thortveitite from Kobe, Omiya, Japan. Bulletin of the Chemical Society of Japan, 35: 1775-1779
        • Shiga Prefecture
          • Otsu City
    		Nakatsugawa Mineral Museum (Gifu Prefecture, Japan)
      • Tohoku Region
        • Fukushima Prefecture
    		Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
    Nakajima & Kurosawa (2006), Canadian Mineralogist: 44: 33, 38; http://www.gsj.jp/Pub/News/pdf/1988/09/88_09_01.pdf
        • Iwate Prefecture
          • Tono City
    		Alfredo Petrov collection
    Kazakhstan
     
    • Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast')
      • Tarbagatai Range
    		Pavel M. Kartashov data
    Kenya
     
    • Rift Valley Province
    		Mineralogical Magazine 1965 34 : 237-248.; Mineralogical Magazine 1965 34 : 237-248.
    Laos
     
    • Bokeo Province
      • Huay Xai
    		Sutherland, F.L., Bosshart, G., Fanning, C.M., Hoskind, P.W.O., and Coenraads, R.R. (2002): Journal of Asian Earth Sciences 20(7), 841-849.
    Madagascar
     
    • Antananarivo Province
      • Analamanga Region
    		[www.johnbetts-fineminerals.com]
          • Anjozorobe District
    		Guigues, J. (1955): Etude des gisements de pegmatite de Madagascar (Deuxième partie). Travaux du Bureau Géologiques de Madagascar 67, Service Geologique, Tananarive, p 6-8
    Pezzotta, F.(1999): Madagaskar. Das Paradies der Mineralien und Edelsteine. ExtraLapis nr 17, p.44 (in german)
    Collection of Rudy Bolona
    Besaire, H. (1966): Gites mineraux de Madagascar. Annales Géologiques de Madagascar XXXIV, Tananarive, p 390
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871;
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
      • Itasy Region
        • Soavinandriana District
    		Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
          • Ankisabe Commune
    		Guigues, J. (1955): Etude des gisements de pegmatite de Madagascar (Deuxième partie). Travaux du Bureau Géologiques de Madagascar 67, Service Geologique, Tananarive, p 5
    Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 372
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
          • Tamponala Commune
    		Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
      • Vakinankaratra Region (Betafo - Antsirabé region)
        • Antsirabé 2 District
    		Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
    RRUFF specimen R060856
    Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    - Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive
    Natural History Museum, Paris nr 127.94 ( in Pezzotta, F. (1999): Madagaskar- Das Paradies des Mineralien und Edelsteine. Extra Lapis no.17, 48 [German version])
          • Betafo Commune
    		Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p , p 379
    Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
          • Mahaiza Commune
    		Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871.
        • Faratsiho District
    		Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 379
        • Sahatany Pegmatite Field (Mt Bity (Ibity) area)
          • Sahatany Valley
    		Knut Edvard Larsen collection (selfcollected)
    Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse.
    Dick Bideaux collection (labelled "fergusonite")
    • Fianarantsoa Province
      • Amoron'i Mania Region
        • Ambatofinandrahana District
    		Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    • Mahajanga (Majunga) Province
      • Betsiboka Region
        • Tsaratanàna District
    		Arliguie M collection (old sample)
          • Berere Pegmatite Field
    		Giraud et al (1957): Etude geologique et prospection de la feuille Betandraka [P-42]1/100.00 et du champ pegmatique de Berere. Travaux Bureua Geologique nr 82, Tananarive
    Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, p 59
          • Manakana Commune
    		Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
      • Sofia Region
        • Bealanana District
    		Giraud, P. (1957). Les champs pegmatitiques de Madagascar. in Commision de Coopération Technique en Afrique au Sud du Sahara (C.C.T.A.). Geologie. Comités regionaux Centre, Est et Sud. Conférence de Tananarive Avril 1957. I, 139-150
    Mozambique
     
    • Zambezia Province
      • Alto Ligonha District
    		No reference listed
    António Manuel Ináçio Martins.
    Namibia
     
    • Erongo Region
      • Swakopmund District
        • Swakopmund
    		Mineralogical Record: 36(4): 317-335.
    Niger
     
    • Agadez Department
      • Aïr Region
    		DIKOUMA, M: (1993): Géologie et potentiel minier du Niger.- in: TRIPAL ’93 NIGER, Exposés & Communications, pp. 1-25; Niamey: Ministère des Mines et de l’Energie.
    Norway
     
    • Akershus
      • Nesodden
    		Raade,G. (1965): The minerals of the granite pegmatite at Spro, Nesodden, neaer Oslo. Norges Geologiske Undersøkelse 234 [Årbok 1964], 160-166
    • Aust-Agder
    		Brøgger (1922, p. 52); Butler (1958, p. 766); Neumann (1985, pp. 78-79).
        • Helle
    		Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b,1-109 [p.76]
    Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6, p.109
      • Birkenes
        • Vegusdal
    		Butler (1958, p. 766); Neumann (1985, p. 78).
      • Evje og Hornnes
        • Landsverk
    		Neumann, H. (1960): Mineral occurrences in southern Norway. Guide to excursions no A.15 and no. C 12. International Geological Congress XXI session Norden 1960, 18p.
    Schetelig, J. (1922): Thortveitit- Ein scandiumsilikat, (Sc, Y)2Si2O7. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 51-87
      • Froland
    		Åmli (1977, p. 257); Neumann (1985, p. 79).
      • Gjerstad
    		Bjørlykke, H. (1937): Mineral parageneses of some granite pegmatites near Kragerø, Southern Norway. Norsk Geologisk Tidsskrift 17, 1-16
      • Iveland
        • Birketveit
    		Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Eptevann (Eftevann)
    		Schetelig, J. (1922): Thortveitit- Ein scandiumsilikat, (Sc, Y)2Si2O7. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 51-87
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Frikstad (Frigstad)
    		1935 Bjorlykke, 1985 Neumann, 2004 Mineralien Welt
    Neumann, H. & Sverdrup, T.L.(1960): Contributions to the mineralogy of Norway No. 8. Davidite from Tuftan, Iveland. Norsk Geologisk Tidsskrift 40: 277-288
        • Frøyså
    		Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Håverstad
    		Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Hilltveit (Hiltveit)
    		Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Kåbuland
    		Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Katterås
    		Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Landås
    		Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Ljosland
    		Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ; Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Schetelig, J. (1922): Thortveitit- Ein scandiumsilikat, (Sc, Y)2Si2O7. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 51-87 ; Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Hansen, G. H. (2001) p. 18.
        • Mølland
    		Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Neumann, H. (1960): Mineral occurrences in southern Norway. Guide to excursions no A.15 and no. C 12. International Geological Congress XXI session Norden 1960, 18p.
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Rossås (Rosås)
    		Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Nordrum, F. S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2), 14-26
        • Tveit
    		Frigstad, O. F. (1999): Amazonittpegmatitter i Iveland-Evje. Bergverksmuseets Skrift 15: 60-73
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Rocks & Min.: 11:5.
      • Risør
    		Brøgger 1906, p. 16, Neumann 1985, p. 7.
    • Buskerud
      • Hurum
    		Knut Eldjarn
    • Finnmark
      • Kautokeino
    		Mathiesen (1970, p. 100); Neumann (1985, p. 79).
    • Nordland
      • Tysfjord
    		Dittrich (1980, p. 106); Neumann (1985, p. 79).
          • Lapplegret (Lapplægran; Lapplægret; Lapplæger)
    		Raade, G. (1966): A new Norwegian occurrence of Milarite. Norsk Geologisk Tidsskrift 46: 122-123
    D. Harries collection, analysed
    Vogt, Th. (1922): Über Thalenit von Hundholmen im nördlichen Norwegen. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die MIneralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 19-47
    • Oppland
      • Sel
    		Selbekk, R. S. & Garmo, T. (1995): Mineraler i Tolstadåsen- og Bårstad klebersteinsbrudd, Oppland. STEIN 22 (4), 196-200
    • Østfold
      • Askim
    		Broch, O. A. (1934): Feltspat IV, NGU nr. 141, 17
      • Fredrikstad
        • Kråkerøy
    		Brøgger (1906, p. 137); Neumann (1985, p. 69).
    Kristiansen, R. (2006): Klassiske pegmatittforekomster i Hvaler og Kråkerøy, Østfold. Norsk Bergverksmuseum, skrift 33, 65-74
    • Sogn og Fjordane
      • Sunnfjord
    		Scheerer (1840 and 1842); Kolderup (1960, pp. 15 and 24); Can Min 15 (1977), 92; Neumann (1985, p. 78); Lapis 9 (1988)
    • Telemark
      • Kragerø
    		Green, J. C.(1956): Geology of the Storkollen-Blankenberg area, Kragerø, Norway. Norsk Geologisk Tidsskrift 36, 89-140
    Bjørlykke, H.(1937): Mineral parageneses of some granite pegmatites near Kragerø, Southern Norway. Norsk Geologisk Tidsskrift, 17,1-16. ; Hongslo, T. & Langmyhr, F. J. (1960): Contributions to the mineralogy of Norway no. 6. On the chemical composition of blomstrandine and euxenite. Norsk geologisk Tidsskrift 40,157-164
    Green, J.C.(1956):"Geology of the Storkollen-Blankenberg area, Kragerø, Norway". Norsk Geologisk Tidsskrift 36, 89-140
    • Troms
      • Tromsø
        • Kvaløya
    		Sverdrup et al. (1967, pp. 12-15); Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68 p. 79
    • Vest-Agder
      • Flekkefjord
    		Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6, p.95; Dana System of Mineralogy, 7th Edition, pages 787-791
      • Lindesnes
        • Vigeland
    		NGU #211 (1959); "The pegmatite dyke at Rømteland"; Sverdrup (1960); Neumann (1986, p. 78).
      • Lyngdal
        • Austad (Austa)
    		Hongslo,T. & Langmyhr, F.J.(1960): "Contributions to the mineralogy of Norway no. 6. On the chemical composition of blomstrandine and euxenite". Norsk geologisk Tidsskrift 40,157-164 + Neumann (1985, p. 78).
    • Vestfold
      • Larvik
        • Hedrum
    		Norges Geologiske Undersøkelse (NGU) Ore Dateabase: Sæteråsen Deposit no. 6 in Larvik (0709) municipality.
    Portugal
     
    • Azores District
      • San Miguel Island
    		Ternes, B., Mineralien von der Azoreninsel Sao Miguel, Lapis, 20-42, 1999
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
          • Krasnyi Chikoy
            • Malkhan pegmatite field (Malchan)
    		[MinRec 32:44]
      • Tuva Republic
        • Sangilen Upland
          • Balygtyg-Khem River
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Urals Region
      • Middle Urals
    		Pavel M. Kartashov data
      • Southern Urals
        • Chelyabinsk Oblast'
          • Kyshtym (Kychtym; Kishtim)
    		Pavel M. Kartashov data
    Slovakia
     
    • Banská Bystrica Region
      • Cérová Mts
        • Hajnačka
    		Uher P., Gregáňová G., Szakall S., 2006: Sapphire-bearingh syenite xenolith from Gortva, Cérová Mountains, Slovakia. Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.124
    M. Huraiova et al. , Eur. J. Mineral. , 1996, 8, pp. 901-916.
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    South Africa
     
    • Free State Province
    		Minerals of South Africa
    • Northern Cape Province
      • Namaqualand
        • Kenhardt District
          • Steyns Put
    		Minerals of South Africa
    South Korea
     
    • Chungcheongnam-do (Ch'ungch'ong-namdo; Chungcheongnamdo)
      • Hongsong-gun
    		Hideo Tsuda (1969) Supplement to "Minerals of Korea".
    Swaziland
     
    • Hhohho District
    		Mineralogical Magazine 1899 12 : 96-101
    Sweden
     
    • Dalsland
      • Mellerud
    • Halland
      • Varberg
    		No reference listed
    • Jämtland
      • Bräcke
    		Kjellman
    • Norrbotten
    		found and analyzed by Aksel Österlöf.
    • Småland
      • Växjö
        • Asa
    		See above.
      • Vetlanda
    		No reference listed
    J.Langhof: REE-mineralogy in Mo-granite pegmatites in Vetlanda-area, Småland,Sweden. 1991
    J.Langhof: REE-mineralogy in Mo-granite pegmatites in Vetlanda-area, Småland,Sweden. 1991
          • Slättåkra
    		J.Langhof: REE-mineralogy in Mo-granite pegmatites in Vetlanda-area, Småland,Sweden. 1991
    J.Langhof: REE-mineralogy in Mo-granite pegmatites in Vetlanda-area, Småland,Sweden. 1991
        • Fröderyd
    		J.Langhof: REE-mineralogy in Mo-granite pegmatites in Vetlanda-area, Småland,Sweden. 1991
    • Västergötland
      • Ale
        • Nödinge
    		N.Sundius SGU C 520, 1951
      • Svenljunga
        • Överlida
    • Västmanland
      • Köping
    		No reference listed
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Bregaglia Valley (Bergell)
        • Forno Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 156.
    • Ticino (Tessin)
      • Centovalli
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 156.
    • Wallis (Valais)
      • Hérens Valley
        • Thyon
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
    USA
     
    • Alaska
      • Haines Borough
        • Juneau District
          • Skagway District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Prince of Wales-Outer Ketchikan Borough
        • Ketchikan District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Yukon-Koyukuk Borough
        • Hot Springs District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • Arizona
      • Maricopa Co.
        • Buckeye Hills District
    		MRDS file #10009104.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 417.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 217.
      • Mohave Co.
    		Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 20 (Table A-1).
        • Aquarius Cliffs
    		Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 20 (Table A-1).
        • Aquarius Mts (Aquarius Range; Peacock Range)
    		Heinrich, E. Wm. (1960), AZ Bur. of Mines Bull. 167: 12-18; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 21 (Table A-1).; Hanson, S.L., Simmons, W.B., Falster, A.U. (2006) 33rd Rochester Mineralogical Symposium, abstracts, 18-19.
    Anthony, J.W. (1995), Mineralogy of Arizona, 3rd. ed.: 218; Shaw, V.E. (1959), Extraction of Yttrium and rare earth elements from Arizona euxenite concentrate, US Bur. of Mines Rpt. of Inv. 5544; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 41.
        • Cerbat Mts (Cerbat Range)
          • Wallapai District
            • Kingman area
    		Galbraith, F.W. & Brennan (1959), Minerals of AZ: 41; Olson, Jerry C. & Hinrichs (1960), USGS Bull. 1082-D, Beryl-bearing pegmatites in the Ruby Mts & other areas in NV & NW AZ: 141, 194-196.
    Parker, R. L., 1963, Niobium and Tantalum in the US, USGS Mineral Investigations map MR – 3.
        • Lost Basin Mts (Lost Basin Range)
          • Lost Basin District
            • Garnet Mountain
    		Theodore, T.G., et al (1987), USGS PP 1361: 98; Reyner (1954), US Atomic Energy Comm. Rept. RME-158, Recon. for Uranium in Mohave Co., AZ: 43.
    Parker, R. L., 1963, Niobium and Tantalum in the US, USGS Mineral Investigations map MR – 3.
    MRDS file #10009103.
      • Navajo Co.
        • Holbrook District
    		Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 41.
      • Pima Co.
        • Sierrita Mts
          • Pima District (Olive District; Mineral Hill District; Twin Buttes District)
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 218; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 41
    • California
      • San Bernardino Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Woman Spring-Yucca Valley area
    		Hewett, Donnel Foster & Jewell Jeannette Glass (1953), Two uranium-bearing pegmatite bodies in San Bernardino County, California; American Mineralogist: 38(11-12): 1048; Hewett, Donnel Foster, Jerome Stone & Harry Levine (1957), Brannerite from San Bernardino County, California: American Mineralogist: 42: 30; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 180, 226, 271; Dibblee, T.W., Jr. (1967b) Geologic map of the Old Woman Spring quadrangle, San Bernardino County, California. USGS Miscellaneous Geological Investigation Map I-518, with text: 4; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 180, 318.
      • Tulare Co.
        • Long Valley
    		Goodwin, Joseph Grant (1958), Mines and mineral resources of Tulare County, California: California Journal of Mines and Geology: 54: 455-456; Pemberton, H. Earl (1983), Minerals of California: 180.
    • Colorado
      • Chaffee Co.
        • Buena Vista
          • Trout Creek Pass pegmatite District
    		Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).; Pearl, 1958. Colorado Gem Trails & Mineral Guide
    Pearl, 1958. Colorado Gem Trails & Mineral Guide
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Douglas Co.
    		"Minerals of Colorado, updated & revised", p. 13, by Eckel, Edwin B., 1997
    Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 24 (Table A-1).
        • Kassler Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Fremont Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Cotopaxi District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    "Minerals of Colorado, updated & revised", pp. 14-15, by Eckel, Edwin B., 1997
    Minerals of Colorado (1997) Eckels, E. B.
        • Cottonwood Creek Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Goldie Gulch
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
      • Gunnison Co.
        • Quartz Creek District
          • Ohio City
    		Mineralogical Magazine 1963 33 : 458-466
    Minerals of Colorado (1997) Eckels, E. B.
        • Tomichi District
    		Minerals of Colorado (1997) Eckels, E. B.
      • Jefferson Co.
        • Clear Creek pegmatite Province
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 29 (Table A-1).
        • South Platte Pegmatite District
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
      • Lake Co.
        • Climax District
          • Climax
    		Minerals of Colorado (1997) Eckels, E. B.
      • Las Animas Co.
        • Trinidad Area
    		Minerals of Colorado (1997) Eckels, E. B.
      • Moffat Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Park Co.
        • Badger Creek
    		Minerals of Colorado (1997) E.B. Eckels
        • Guffey District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Minerals of Colorado (1997) Eckels, E. B.
        • Micanite District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Routt Co.
        • Slavonia District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Minerals of Colorado (1997) Eckels, E. B.
      • Saguache Co.
        • Blake District (Mirage District; Cotton Creek District)
    		Minerals of Colorado (1997) E.B. Eckels
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Crestone District
    		Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) Eckel, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
        • Hayden Pass Area
    		Minerals of Colorado (1997) E.B. Eckels
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Marshall Pass District
    		Minerals of Colorado (1997) Eckels, E. B.
    • Connecticut
      • Middlesex Co.
    		Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.234
    • Georgia
      • Putnam Co.
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Idaho
      • Boise Co.
        • Garden Valley District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Redfish Lake Area
          • Unorganized District
            • Sawtooth Primitive Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Custer Co.
        • Robinson Bar District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Stanley Basin District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
          • Stanley
    		Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
        • Yankee Fork District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Idaho Co.
        • Dixie District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Elk City District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Lemhi Co.
        • Lemhi Pass District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • McDevitt District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Valley Co.
        • Bear Valley Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
          • Unorganized District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Massachusetts
      • Middlesex Co.
        • Marlborough
    		L. W. White, 1995: Mineralization of Routre 290 Road Cut (Rocks & Minerals May 1997)
    • Michigan
    		www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
        • Marquette iron range
          • Humboldt Township
    		Mineralogy of Michigan (2004) Heinrich & Robinson
          • Republic
    		Rebecca A. Simmons (2009) \"Minerals of the Grizzly Pegmatite, Marquette County, Michigan\", Mineral News, 25, #4, 1 & 12-13.
    • Montana
      • Granite Co.
        • Sapphire Mountains Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Madison Co.
    		Am Min 50:2083-2088
    Jay Ellis Ransom,1974, Gems and Minerals of America
    • Nevada
      • Esmeralda Co.
        • Tokop District
          • Tule Canyon
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • White Mountains
    		NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada
      • Mineral Co.
        • Buena Vista District
    		NBMG Bull 58 Geology and Mineral Resources of Mineral County, Nevada
    • New Mexico
      • Doña Ana Co.
    		Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
      • Grant Co.
    		Minerals of New Mexico 3rd ed.
        • Gold Hill District
    		NMBMMR Bull 83 Mineral Deposits of Western Grant County, New Mexico
        • White Signal District
    		NMBMMR Bull 83 Mineral Deposits of Western Grant County, New Mexico
    NMBMMR Bull 83 Mineral Deposits of Western Grant County, New Mexico
      • Rio Arriba Co.
    		Northrop, Minerals of New Mexico, 3rd rev. Ed., 1996
      • San Miguel Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    Minerals of New Mexico 3rd ed.
    Northrop, Minerals of New Mexico, 3rd rev. ed, 1996
    Minerals of New Mexico 3rd ed.
      • Taos Co.
    		Minerals of New Mexico 3rd ed.
    • North Carolina
      • Madison Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Mitchell Co.
        • Spruce Pine District
          • Spruce Pine
    		www.excaliburmineral.com
    Specimens in former Green's Mineral Museum and Shop; others.
    • Oregon
      • Jackson Co.
        • Ashland District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Texas
      • Burnet Co.
    		Self-Collected by Franklin Roberts
    • Virginia
      • Amelia Co.
        • Amelia (Amelia Court House)
    		Minerals of Virginia, 1990 by R. V. Dietrich
    D. Grier, 1994
    Minerals of Virginia, 1990 by R. V. Dietrich
        • Winterham
    		Minerals of Virginia, 1990 by R. V. Dietrich
      • Bedford Co.
        • Moneta-Forest
    		Minerals of Virginia, 1990 by R. V. Dietrich
          • Otter Hill
    		Minerals of Virginia, 1990 by R. V. Dietrich
    Minerals of Virginia, 1990 by R. V. Dietrich
      • Powhatan Co.
        • Flat Rock
    		Rocks & Min.: 60:168.
    • Washington
      • Grant Co.
        • Grand Coulee Dam area
    		Cannon, B. (1975): Minerals of Washington, p.39,88
      • Okanogan Co.
        • Golden Horn Batholith
    		Micro Probe Volume VI Number 8; Rocks and Minerals, 66:6, p. 454
    • Wisconsin
      • Sauk Co.
        • Baraboo
    		T.W. Buchholz, A.U. Falster, Wm.B. Simmons (2003) Mineral News, 19, 7, 1-7
      • Waupaca Co.
    		Rocks & Minerals 79:6 pp409-411
    • Wyoming
      • Albany Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Rocks & Minerals 76:383
      • Carbon Co.
        • Encampment District
          • Trent Creek
    		Rocks & Minerals 76:6 pp380-393
      • Sheridan Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Mineral and/or Locality
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