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Gadolinite-(Y)

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Johan Gadolin
Formula:
Y2Fe2+Be2Si2O10
Often slightly radioactive due to minor U and/or Th contents; therefore often metamict.
Colour:
Black, greenish-black, brown
Lustre:
Vitreous, Greasy
Hardness:
6½ - 7
Specific Gravity:
4.36 - 4.77
Crystal System:
Monoclinic
Name:
Named in honor of Johan Gadolin (5 June 1760, Turku, Finland - 15 August 1852, Mynämäki, Finland), chemist, physicist, and mineralogist. He discovered what would be the element yttrium, the first rare earth discovered. The "-(Y)" suffix is for to the dominance of yttrium in the composition.
Gadolinite-Datolite Group. The yttrium analogue of gadolinite-(Ce) and Gadolinite-(Nd).
Difficult to distinguish from hingganite-(Y).


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Classification of Gadolinite-(Y)Hide

Approved, 'Grandfathered' (first described prior to 1959)
9.AJ.20

9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4
54.2.1b.3

54 : NESOSILICATES Borosilicates and Some Beryllosilicates
2 : Borosilicates and Some Beryllosilicates with B in [4] coordination
14.3.23

14 : Silicates not Containing Aluminum
3 : Silicates of Be

Physical Properties of Gadolinite-(Y)Hide

Vitreous, Greasy
Transparency:
Opaque
Colour:
Black, greenish-black, brown
Streak:
Grayish green
Hardness:
6½ - 7 on Mohs scale
Tenacity:
Brittle
Fracture:
Splintery, Conchoidal
Density:
4.36 - 4.77 g/cm3 (Measured)    4.41 g/cm3 (Calculated)

Optical Data of Gadolinite-(Y)Hide

Type:
Biaxial (+)
RI values:
nα = 1.770 nβ = 1.790 nγ = 1.820
2V:
Measured: 85°
Max Birefringence:
δ = 0.050
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v distinct

Chemical Properties of Gadolinite-(Y)Hide

Formula:
Y2Fe2+Be2Si2O10

Often slightly radioactive due to minor U and/or Th contents; therefore often metamict.
IMA Formula:
Fe2+Be2Y2(SiO4)2O2

Crystallography of Gadolinite-(Y)Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 10 Å, b = 7.565(2) Å, c = 4.768(1) Å
β = 90.31(2)°
Ratio:
a:b:c = 1.322 : 1 : 0.63
Unit Cell V:
360.69 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Prismatic, massive

Type Occurrence of Gadolinite-(Y)Hide

Synonyms of Gadolinite-(Y)Hide

Other Language Names for Gadolinite-(Y)Hide

Varieties of Gadolinite-(Y)Hide

Calciogadolinite-(Y)A Ca-dominant gadolinite. Although Ca dominates over any individual REE, the current site dominance rules do not allow for species status because trivalent elements (mostly REE) dominate over total divalent elements (mostly Ca) on the site.

Relationship of Gadolinite-(Y) to other SpeciesHide

Other Members of this group:
Calcybeborosilite-(Y)(Y,Ca)2(□,Fe2+)(B,Be)2[SiO4]2(OH,O)2Mon.
Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m
Gadolinite-(Nd)Nd2Fe2+Be2O2(SiO4)2Mon. 2/m : P21/b
Hingganite-(Ce)(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
Hingganite-(Yb)(Yb,Y,REE)2□Be2[SiO4]2(OH)2
Minasgeraisite-(Y)CaBe2Y2Si2O10Mon. 2/m : P21/b
Unnamed (OH-analogue of gadolinite-(Y))(Y,Ca)2(Fe,☐)Be2Si2O8(OH,O)2Mon. 2/m

Common AssociatesHide

Allanite Group{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Chevkinite GroupGroup of complex and difficult-to-distinguish titanosilicates.
FergusoniteFergusonite is one of the species groups or series that was originally described as a single species, based on the ...
FergusoniteFergusonite is one of the species groups or series that was originally described as a single species, based on the ...
FluoriteCaF2
ZirconZr(SiO4)
Associated Minerals Based on Photo Data:
Quartz13 photos of Gadolinite-(Y) associated with Quartz on mindat.org.
Anatase7 photos of Gadolinite-(Y) associated with Anatase on mindat.org.
Fluorite7 photos of Gadolinite-(Y) associated with Fluorite on mindat.org.
Microcline6 photos of Gadolinite-(Y) associated with Microcline on mindat.org.
Biotite4 photos of Gadolinite-(Y) associated with Biotite on mindat.org.
Tengerite-(Y)4 photos of Gadolinite-(Y) associated with Tengerite-(Y) on mindat.org.
Calcioancylite-(Nd)3 photos of Gadolinite-(Y) associated with Calcioancylite-(Nd) on mindat.org.
Orthoclase3 photos of Gadolinite-(Y) associated with Orthoclase on mindat.org.
Synchysite-(Y)3 photos of Gadolinite-(Y) associated with Synchysite-(Y) on mindat.org.
Albite3 photos of Gadolinite-(Y) associated with Albite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AJ.05Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2Orth. mmm (2/m 2/m 2/m)
9.AJ.05Ominelite(Fe2+,Mg)(Al,Fe3+)3(SiO4)(BO3)O2Orth. mmm (2/m 2/m 2/m)
9.AJ.10Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3Orth. mmm (2/m 2/m 2/m)
9.AJ.10Holtite(Ta0.60.4)Al6BSi3O18(O,OH)2.25Orth. mmm (2/m 2/m 2/m) : Pnma
9.AJ.10Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3Orth.
9.AJ.15GarrelsiteBa3NaSi2B7O16(OH)4Mon.
9.AJ.20BakeriteCa4(H5B5Si3O20)Mon. 2/m : P21/b
9.AJ.20DatoliteCa(HBSiO5)Mon. 2/m : P21/b
9.AJ.20Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m
9.AJ.20Hingganite-(Ce)(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
9.AJ.20Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
9.AJ.20Hingganite-(Yb)(Yb,Y,REE)2□Be2[SiO4]2(OH)2
9.AJ.20HomiliteCa2(Fe2+,Mg)B2Si2O10Mon.
9.AJ.20Melanocerite-(Ce)(Ce,Ca)5(SiO4,BO4)3(OH,0)Hex.
9.AJ.20Minasgeraisite-(Y)CaBe2Y2Si2O10Mon. 2/m : P21/b
9.AJ.20Calcybeborosilite-(Y)(Y,Ca)2(□,Fe2+)(B,Be)2[SiO4]2(OH,O)2Mon.
9.AJ.25Stillwellite-(Ce)(Ce,La,Ca)BSiO5
9.AJ.30Cappelenite-(Y)Ba(Y,Ce)6Si3B6O24F2Trig. 3 : P3
9.AJ.35Okanoganite-(Y)(Na,Ca)3(Y,Ce)12Si6B2O27F14
9.AJ.35Vicanite-(Ce)(Ca,Ce,La,Th)15As5+(As3+0.5,Na0.5)Fe3+Si6B4O40F7Trig.
9.AJ.35Hundholmenite-(Y)(Y,REE,Ca,Na)15(Al,Fe3+)(CaxAs3+1-x)(Si,As5+)Si6B3(O,F)48Trig. 3m : R3m
9.AJ.35Proshchenkoite-(Y)Ca(Y,REE,Ca,Na,Mn)15Fe2+(P,Si)Si6B3O34F14Trig. 3m : R3m
9.AJ.40JadariteLiNaSiB3O7(OH)Mon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

54.2.1b.1BakeriteCa4(H5B5Si3O20)Mon. 2/m : P21/b
54.2.1b.2Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m
54.2.1b.4Calciogadolinite-(Y)(YCa)2Fe3+Be2[SiO4]2O2
54.2.1b.5HomiliteCa2(Fe2+,Mg)B2Si2O10Mon.
54.2.1b.6Minasgeraisite-(Y)CaBe2Y2Si2O10Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.3.1PhenakiteBe2SiO4Trig. 3 : R3
14.3.2BertranditeBe4(Si2O7)(OH)2Orth. mm2 : Cmc21
14.3.3BerylliteBe3(SiO4)(OH)2 · H2OOrth.
14.3.4LiberiteLi2BeSiO4Mon. m : Pm
14.3.5ChkaloviteNa2BeSi2O6Orth. mm2 : Fdd2
14.3.6EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
14.3.7EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
14.3.8GugiaiteCa2Be(Si2O7)Tet.
14.3.9Jeffreyite(Ca,Na)2(Be,Al)(Si2O7,HSi2O7)Orth.
14.3.10Semenovite-(Ce)Na8Ca2FeBe6Ce2Si14O40(OH)4F4Orth. mmm (2/m 2/m 2/m)
14.3.11BaryliteBe2Ba(Si2O7)Orth.
14.3.12Hingganite-(Ce)(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.13Hingganite-(Yb)(Yb,Y,REE)2□Be2[SiO4]2(OH)2
14.3.14Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.15Minasgeraisite-(Y)CaBe2Y2Si2O10Mon. 2/m : P21/b
14.3.16SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
14.3.17TrimeriteCaMn2+2Be3(SiO4)3Mon. 2/m : P21/m
14.3.18ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
14.3.19Tvedalite(Ca,Mn)4Be3Si6O17(OH)4 · 3H2OOrth.
14.3.20HarstigiteCa6(Mn,Mg)Be4Si6(O,OH)24Orth.
14.3.21SverigeiteNaMnMgSnBe2(SiO4)3(OH)Orth. mmm (2/m 2/m 2/m) : Imma
14.3.22Joesmithite{Pb}{Ca2}{Mg3Fe3+2}(Be2Si6O22)(OH)2Mon.
14.3.24Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m
14.3.25Calciogadolinite-(Y)(YCa)2Fe3+Be2[SiO4]2O2

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 Gadolinite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Geijer (1788) Vom Hrn Berm Geijer in Stochkholm. Chemische Annalen [Crell's Annalen] für die Freunde der Naturlehre, Arzneygelahrtheit, Haushaltungskunst und Manufacturen. Erster Band 1788 [First Volume], p. 229-230. [First description]
Klaproth, M.H. (1802) Chemische Untersuchung des Gadolinits, Beiträge zur chemischen Kenntniss der Mineralkörper, Dritter Band, Rottmann Berlin: 3: 52-79.
Jameson, R. (1805) Gadolinite. System of Mineralogy II, Bell and Bradfute (Edinburgh, U.K.): 570-572.
Petersson, W. (1890) Studier öfver gadolinit. Geologiska Föreningen i Stockholm Förhandlingar: 12: 275-347.
Pavlov, P.V., Belov, N.V. (1959) The structures of herderite, datolite, and gadolinite determined by direct methods. Soviet Physics - Crystallography: 4: 300-314.
Levinson, A.A. (1966) A system of nomenclature for rare-earth minerals. American Mineralogist: 51: 152-158.
Miyawaki, R., Nakai, I., Nagashima, K. (1984) A refinement of the crystal structure of gadolinite. American Mineralogist: 69: 948-953. [gadolinite-(Y)]
Nickel, E.H., Mandarino, J.A. (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. American Mineralogist: 72: 1031-1042.
DeMartin, F., Pilati, T., Diella, V., Gentile, P., Gramaccioli, C.M. (1993) A crystal-chemical investigation of Alpine gadolinite. Canadian Mineralogist: 31: 127-136. [gadolinite-(Y)]
Holtstam, D., Andersson, U.B. (2007) The REE minerals of the Bastnäs-type deposits, south-central Sweden. The Canadian Mineralogist: 45: 1073-1114.
Camara, F., Oberti, R., Ottolini, L., Ventura, G.D., Bellatreccia, F. (2008) The crystal chemistry of Li in gadolinite. American Mineralogist: 93: 996-1004.

Internet Links for Gadolinite-(Y)Hide

Localities for Gadolinite-(Y)Hide

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.
Argentina
 
  • Tucumán
    • Tafí del Valle Department
      • Estancia Anchilla
R. J. Tauber Larry (2013). HALLAZGO DE MINERALES DEL GRUPO DE LAS TIERAS RARAS EN LA SIERRA DE QUILMES, PROVINCIA DE TUCUMÁN.
Australia
 
  • Western Australia
    • Port Hedland Shire
      • Abydos Station
Simpson, E.S. (1928) Famous Mineral Localities: Wodgina North West Australia, The American Mineralogist, Vol 13, No.9 September pp 457-468, 1928. Fetherston J.M, Stocklmayer, S.M., Stocklmayer, V.C., (2013) Gemstones of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 25, 306p.
Austria
 
  • Salzburg
    • Hohe Tauern
      • Gastein valley
        • Böckstein
A. Strasser: Die Minerale Salzburgs, 1989
A. Strasser: Die Minerale Salzburgs, 1989
      • Untersulzbach valley
collection of Martin Slama
Stephan Wolfsried collection
  • Tyrol
    • North Tyrol
      • Zillertal
        • Zamser Grund (Zams valley)
          • Schrammacher
M. Moro collection (SEM-EDS probed by UNIMI, 2006)
Canada
 
  • 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.
  • Ontario
    • Renfrew Co.
      • Lyndoch Township
ontariominerals.com
    • Sudbury District
      • Scadding Township
Canadian Mineralogist 45, 1415
  • Québec & Newfoundland and Labrador
Miller (1996), Canadian Mineralogist: 34:349-371; Salvi & Williams-Jones (1995); Am.Min.: 80:1031-1040; Miller (1990), Newfoundland Dept. of Mines & Energy Geol. Sur. Report 90-1: 171-182.; A. Kerr and H. Rafuse (2012) Rare-earth element (REE) geochemistry of the Strange Lake deposits: Implications for resource estimation and metallogenic models. Newfoundland and Labrador Department of Natural Resources Current Research 2012 pp39-60; BIRKETT, T.C., MILLER, R.R., ROBERTS, A.C., & MARIANO, A.N. (1992) Zirconium bearing minerals from the Strange Lake intrusive complex, Quebec Labrador. Canadian Mineralogist, 30, 191-205.
China
 
  • Fujian Province
    • Nanping Prefecture
      • Yanping District
Yueqing Yang, Yunxiang Ni, Yongquan Guo, Nianming Qiu, Chenghu Chen, Chaofa Cai, Yaping Zhang, Jiabing Liu, and Yuexian Chen (1987): Mineral Deposits 6(3), 10-21
  • Inner Mongolia Autonomous Region
    • Tongliao League (Tongliao Prefecture)
      • Jarud Banner (Zalute Co.)
        • Baerzhe complex
Jingzhan Zhu, Guohui Zhang, Qingsong Du, and Jing He (2013): Northwestern Geology 46(4), 207-214
  • Jiangxi Province
    • Ganzhou Prefecture
      • 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.
Zhiwei Bao and Zhenhua Zhao (2008): Ore Geology Reviews 33, 519-535.; Yunhuai Lin and Shiyang Chen (1985): Geology and Prospecting 21(3), 23-31
Finland
 
  • Åland Islands
    • Brandö Island
Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.119)
  • Southwestern Finland Region
    • Kemiö Island (Kimito Island)
HANNU MÄKITIE, HEINI ERVANNE (2007) Fe(II)/Fetot and U(IV)/Utot in pegmatite minerals from southern Finland. Granitic Pegmatites: The State of the Art – International Symposium. 06th – 12th May 2007, Porto, Portugal.
  • Western and Inner Finland Region
    • Alavus
J. Dyer sample P. Kartashov data
    • Valkeakoski
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
 
  • Occitanie
    • Ariège
      • Luzenac
[Le Cahier des Micromonteurs 1990, 4, p.3,8-12]
Hungary
 
  • Fejér Co.
    • Velencei Mts
      • Sukoró
WDS: Viera Kollárová
Italy
 
  • Aosta Valley
    • Courmayeur
      • Monte Bianco Massif (Mont Blanc 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.
  • Latium
    • Viterbo Province
Camara, F., Oberti, R., Ottolini, L., Ventura, G. D., Bellatreccia, F. (2008): The crystal chemistry of Li in gadolinite. American Mineralogist, 93, 996-1004.
[var: Calciogadolinite-(Y)] Van King
  • 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.
          • Cavagnano
Turconi B. (1985): Monazite di Cuasso al Monte (VA). Riv. Mineral. Ital., 9, 4 (4-1985), 149; Guastoni, A., Pezzotta, F., Demartin, F. (2004): Cuasso al Monte: recenti determinazioni su esemplari del MSNM. Riv. Mineral. Ital., 28, 4 (4-2004), 194-202; Pezzotta F., Diella V., Guastoni A. (1999): Chemical and paragenetic data on gadolinite-group minerals from Baveno and Cuasso al Monte, southern Alps, Italy. Am. Mineral., 84, 782-789.
          • Cuasso al Piano
Matteo Chineletto; Pezzotta F., Diella V., Guastoni A. (1999): Chemical and paragenetic data on gadolinite-group minerals from Baveno and Cuasso al Monte, southern Alps, Italy. Am. Mineral., 84, 782-789; Guastoni, A., Pezzotta, F., Demartin, F. (2004): Cuasso al Monte: recenti determinazioni su esemplari del MSNM. Riv. Mineral. Ital., 28, 4 (4-2004), 194-202.
Enrico Bonacina photo
  • Piedmont
    • Biella Province
      • Cervo 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, 607 pag.
          • Balma
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, 607 pag.
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Feriolo
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.
        • 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.
[MinRec 14:157]
      • Omegna
        • Agrano
American Mineralogist (2005) 1442-1452.
      • Ossola Valley
        • Antigorio Valley
          • Devero Valley
            • Baceno
              • Devero Alp
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.
        • Beura-Cardezza
Calanchi, N. (1979): Brevi segnalazioni: Gadolinite di Beura (Val d'Ossola). Rivista Mineralogica Italiana, III, 2, 49-50.
        • Divedro Valley
          • Varzo
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.; Cuchet, S., Crumbach, M. & van der Burgt, A. (2016) Le allaniti e i minerali di terre rare dell'Alpe Veglia (Varzo, Verbano-Cusio-Ossola). Rivista Mineralogica Italiana, 40, 212-241.
        • Formazza Valley
          • Formazza
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, 607 pp.; Vanini F., Kartashov P.M., Ciriotti M.E., Bonacina E. (2008): I minerali della Cima della Freghera (Formazza, Verbano-Cusio-Ossola). Micro (località), 2/2008, 251-260.
            • Vallone del Vannino
Mattioli, V. (1985): Un nuovo minerale alpino nell'Ossola (No). Rivista Mineralogica Italiana, 4/1985, 129-134
        • Mergozzo
Tacconi E. (1903): Sopra alcuni minerali del granito di Montorfano. Rend. R. Acc. Naz. Lincei, Classe sci. fis. mat. nat., ser. 5, 12, 1, 355-359; Gallitelli P. (1938): Ricerche petrografiche sul Montorfano (Lago Maggiore). Mem. R. Acc. Sci. Lett. Arti Modena, 3, 1-92; Scaini G. (1939): Itinerari mineralogici. Comune di Mergozzo. Località: cave di granito bianco di Mont’Orfano. Natura, 30, 3, 155-159; De Michele V. (1974): Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol., 408 pp.; Ravagnani D. (1974): I giacimenti uraniferi italiani e i loro minerali. Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale Ed., Milano, 188 pp.; Gramaccioli C.M. (1975): Minerali alpini e prealpini. Istituto Italiano Edizioni Atlas, Bergamo, 2 vol., 472 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" Alba, Ed., Alba (Cuneo), 607 pp.
        • Vigezzo 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.
          • Santa Maria Maggiore
Turconi B. (1982): Nuovo ritrovamento di gadolinite in Valle Vigezzo. Riv. Mineral. Ital., 6, 1 (1-1982), 27-28; 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.
          • Toceno
            • Val di Crana
Rivista Mineralogica Italiana, 23 (1), 42-49.
        • Villadossola
Rivista Mineralogica Italiana, 2 157-170.
  • Sardinia
    • Cagliari Province
      • San Vito
        • Idda Mt.
Astolfi M., Preite, D., Rizzo R., Stara P. (1999): Mineralien aus dem Granit von San Priamo, Sardinien
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Bolzano Province (South Tyrol)
      • Vizze Valley (Pfitsch Valley)
        • San Giacomo (Sankt Jakob)
M. Moro collection (SEM-EDS probed by UNIMI, 2006)
Folie, K., Gentile, P., Hanke, M., Rocchetti, I. (2010): Mineralien aus der Umgebung des Pfitscher Jochs in Südtirol (II). Mineralien-Welt, 21, 4, 42-67.
    • 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).
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
Pezzotta F., Guastoni A. & Nestola F. (2010). Gadolinite-(Y). Prima segnalazione nelle pegmatiti elbane. Riv. Mineral. Ital., 3/2010, 176-180.
Pezzotta F., Guastoni A., Nestola F.,2010. Gadolinite-(Y), prima segnalazione nelle pegmatiti elbane. Rivista Mineralogica Italiana n.3/2010, 176-180
Japan
 
  • Honshu Island
    • Chubu Region
      • Gifu Prefecture
        • Nakatsugawa City
John Rakovan (2015) Mineralogy and Cultural History of the Naegi Pegmatite District, Nakatsugawa, Gifu Prefecture, Japan. 36th Annual New Mexico Mineral Symposium p32
      • Nagano prefecture
        • Kiso-gun
          • Nagiso
[var: Calciogadolinite-(Y)] Nagashima & Nagashima (1960) Nihon Kigenso Koubutsu, 184-189.
    • Kinki region
      • Mie Prefecture
        • Komono town
          • Yunoyama-onsen
Matsubara, S., Miyawaki, R., Yokoyama, K., Shigeoka, M., Momma, K., Yamamoto, S. (2014): Magnesiorowlandite-(Y), Y4Mg(Si2O7)2F2, a new mineral in a pegmatite at Souri Valley, Komono, Mie Prefecture, central Japan. Journal of Mineralogical and Petrological Sciences, 109, 109-117. ; Miyawaki, R., Matsubara, S., Yokoyama, K., Shigeoka, M., Momma, K., & Yamamoto, S. (2015). Mieite–(Y), Y 4 Ti (SiO 4) 2 O [F,(OH)] 6, a new mineral in a pegmatite at Souri Valley, Komono, Mie Prefecture, central Japan. Journal of Mineralogical and Petrological Sciences, 110(3), 135-144.
      • Shiga Prefecture
        • Otsu City
Nakatsugawa Mineral Museum (Gifu Prefecture, Japan)
  • Kyushu Region
    • Miyazaki Prefecture
      • Nobeoka City
        • Kitagawa
Kiyonori Michiba, Ritsuro Miyawaki, Tetsuo Minakawa, Yasuko Terad), Izumi Nakai, Satoshi Matsubara (2013) Crystal structure of hydroxylbastnäsite-(Ce) from Kamihouri, Miyazaki Prefecture, Japan. Journal of Mineralogical and Petrological Sciences 108:326-334.
Okada, T. (2011) Hellandite from Mt. Ookueyama, Kitagawa Town, Nobeoka City, Miyazaki Prefecture, Japan. Chigaku Kenkyu, 60 (1), 25-31.
  • Shikoku Island
    • Ehime Prefecture
      • Matsuyama City
Daisuke Nishio-hamane, Tetsuo Minakawa, Yukikazu Ohgoshi (2013) Takanawaite-(Y), a new mineral of the M-type polymorph with Y(Ta,Nb)O4 from Takanawa Mountain, Ehime Prefecture, Japan. Journal of Mineralogical and Petrological Sciences 108:335-344.
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
Pavel M. Kartashov data
Malawi
 
  • Zomba District
American Mineralogist, Volume 94, pages 1216–1222, 2009
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
P.M. Kartashov analytical data
        • Mount Ulyn Khuren
[var: Calciogadolinite-(Y)] 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.
Norway
 
  • Aust-Agder
    • Evje og Hornnes
      • Vardeheia
Müller, A., Kearsley, A., Spratt, J. and Seltmann, R. (2012): Petrogenetic implications of magmatic garnet in granitic pegmatites from Southern Norway. Canadian Mineralogist. 50,1095-1115
    • Iveland
Schetelig, J. (1922): Gadolinit. 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, 88-123
Neumann (1985) : Norges mineraler. Norges geologiske undersøkelse Skrifter 68, p. 117
      • Frikstad
Revheim, O. (2004): Neue Funde von Gadolinit-(Y) und anderen Mineralien aus dem Steinbruch ”Slobrekka” bei Iveland, Norwegen. Mineralien-Welt 15 (2), 36-43
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
        • Frøysåsen
Corneliussen, Andreas (2012- ): Prosjektet Gruver i Iveland/Evje http://www.pegmatite.no
Olav Revheim photo & specimen
Schetelig, J. (1922): Gadolinit. 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, 88-123
Schetelig, J. (1922): Gadolinit. 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, 88-123
Müller, A., Kearsley, A., Spratt, J. and Seltmann, R. (2012): Petrogenetic implications of magmatic garnet in granitic pegmatites from Southern Norway. Canadian Mineralogist. 50,1095-1115
Sascha Gemballa collection & photo (photo id-837386)
    • Tvedestrand
Schetelig, J. (1922): Gadolinit. 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, 88-123
  • Nordland
    • Hamarøy
      • Finnøy
Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
    • Tysfjord
      • Drag
Tomas Husdal data
Nilssen, B. (1973): Gadolinite from Hundholmen, Tysfjord, North Norway. Contribution to the mineralogy of Norway no 55. Norsk Geologisk Tidsskrift, 53, 343-348
  • Østfold
    • Råde
Schetelig, J. (1922): Gadolinit. 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, 88-123
Schetelig, J. (1922): Gadolinit. 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, 88-123
    • Våler
Schetelig, J. (1922): Gadolinit. 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, 88-123
  • Telemark
    • Bamble (Bamle)
      • Skogstad
Larsen, A.O., Škoda, R., Åsheim, A. (2016): Yttrian epidote and allanite-(Y) from a granite pegmatite in Bamble, Telemark, Norway. Norsk mineralsymposium 2016, 33-38.
    • Drangedal
      • Tørdal
Bergstøl, S. & Juve, G. (1988). Scandian ixiolite, pyrochlore and bazzite in granite pegmatite in Tørdal, Telemark, Norway. Mineralogy and Petrology, 38:229-243
Oftedal, I. (1942): Lepidolit-og tinnsteinsførende pegmatitt i Tørdal, Telemark. Norske Geologisk Tidsskrift 22: 1-14; Kristiansen, R. (1998): Høydalen Litium-pegmatitt-Tørdal i Telemark. STEIN 25 (4), 21-30
    • Fyresdal
      • Vætingheia
Larsen, A. O. & Åsheim, A. (2017): Pegmatittene på Vætingsheia, Fyresdal. Norsk Mineralsymposium 2017: 17-27
Larsen, A. O. & Åsheim, A. (2017): Pegmatittene på Vætingsheia, Fyresdal. Norsk Mineralsymposium 2017: 17-27
  • Vest-Agder
    • Flekkefjord
      • Hidra (Hitterø)
        • Hæstad
Schetelig, J. (1922): Gadolinit. 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, 88-123
Schetelig, J. (1922): Gadolinit. 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, 88-123
Schetelig, J. (1922): Gadolinit. 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, 88-123
Adamson, O. J. (1942): The granite pegmatites of Hitterö, SW Norway. Geologiska Föreningen i Stockholm Förhandlingar 64: 97-116
Adamson, O. J. (1942): The granite pegmatites of Hitterö, SW Norway. Geologiska Föreningen i Stockholm Förhandlingar 64: 97-116
Schetelig, J. (1922): Gadolinit. 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, 88-123 [p.89]
Schetelig, J. (1922): Gadolinit. 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, 88-123
    • Lyngdal
      • Austad (Austa)
Schetelig, J. (1922): Gadolinit. 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, 88-123
Pakistan
 
  • Khyber Pakhtunkhwa (North-West Frontier Province)
    • Peshawar
      • Hameed Abad Kafoor Dheri
Herb Obodda
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Dzierżoniów District
      • Piława Górna (Ober Peilau; Gnadenfrei)
        • DSS Piława Górna Quarry
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.
    • Świdnica District
Chabros E., Dzierżanowski P., Kozłowski P. 2002: Post-magmatic rare-earth-element mineralisation in the granitoid Strzegom Massif, SW Poland. Mineralogia Polonica, vol. 20, 71-73
Portugal
 
  • Azores District
    • São Miguel Island
      • Água de Pau Massif
Samples collected by Luigi Chiappino and analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Polar Yakutia
        • Cherskii range system
          • Selennyakh range
            • Tommot river
no reference; Pavel M. Kartashov data
    • Transbaikalia (Zabaykalye)
      • Chitinskaya Oblast'
P.M. Karashov data
    • 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
    • Murmanskaya Oblast'
      • Belye Tundry Massif
Voloshin, A.V., Lyalina, L.M., Savchenko, Ye.E. [Волошин А.В., Лялина Л.М., Савченко Е.Э.] (2005): Gadolinite-(Y) with unusual Y-REE ratio in the alkali granite pegmatites, Kola Peninsula [Гадолинит-(Y) с необычным Y-REE соотношением в щелочно-гранитных пегматитах, Кольский полуостров]. Mineralogy in the whole space of this word. Proceedings of II Fersman Scientific Session. Apatity, 18-19 April 2005 [Минералогия во всем пространстве сего слова. Труды II Ферсмановской научной сессии. Апатиты, 18-19 апр. 2005]. K & M, Apatity, 41-42; Voloshin, A.V., Lyalina, L.M., Savchenko, Ye.E., Selivanova, E.A. [Волошин А.В., Лялина Л.М., Савченко Е.Э., Селиванова Е.А.] (2005): Intragranite rare-metal pegmatites of the alkaline granite formation of the Kola Peninsula. Quartz-zircon pseudomorphs [Внутригранитные редкометалльные пегматиты щелочногранитовой формации Кольского полуострова. Кварц-цирконовые псевдоморфозы]. Zapiski RMO [Записки РМО], 134, 4, 98-107; Voloshin, A.V., Lyalina, L.M., Savchenko, Ye.E., Selivanova, E.A. [Волошин А.В., Лялина Л.М., Савченко Е.Э., Селиванова Е.А.] (2005): Intragranite rare-metal pegmatites of the alkaline granite formation of the Kola Peninsula. Quartz-zircon pseudomorphs [Внутригранитные редкометалльные пегматиты щелочногранитовой формации Кольского полуострова. Кварц-цирконовые псевдоморфозы]. Zapiski RMO [Записки РМО], 134, 4, 98-107; Lyalina, L.M., Selivanova, E.A., Savchenko, Ye.E., Zozulya, D.R., Kadyrova, G.I. (2014): Minerals of the gadolinite-(Y)–hingganite-(Y) series in the alkali granite pegmatites of the Kola Peninsula. Geology of Ore Deposits, 56, 675-684.
      • Keivy Mountains
A.V. Voloshin analytical data
Pavel M. Kartashov data
Voloshin A.V., Pakhomovskii Ya.A. [Волошин А. В., Пахомовский Я. А.] (1986): Minerals and evolution of mineral formation in amazonite pegmatites of the Kola Peninsula [Минералы и эволюция минералообразования в амазонитовых пегматитах Кольского полуострова]. Nauka, Leningrad, 168 pp. (in Russian).
Pavel M. Kartashov data
  • 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
            • Lake Ishkul'
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
South Africa
 
  • 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
Spain
 
  • Madrid
Garcia G., Gonzalez C., Bueno A. (2004) - Cadalso de los Vidrios (Madrid), Bocamina, n° 14, pp: 12-46.
Tanago, J. G., Lozano, P. L., Larios, A. , La Iglesia, A. (2012) Stokesite crystals from La Cabrera, Madrid, Spain. Mineralogical Record 43:499-508
Sweden
 
  • Dalarna
    • Falun
Kjellman et al. (1999) Canadian Mineralogist: 37: 832-833.
Hintze, C.: Handbuch der Mineralogie
Zittel, K. (1860): Mittheilungen ..., Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde, Jahrgang 1860, 788 ff
Zittel, K. (1860): Mittheilungen ..., Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde, Jahrgang 1860, 788 ff
    • Gagnef
      • Mockfjärd
  • Lappland
    • Jokkmokk
      • Varjisträsk
  • Uppland
    • Vaxholm
      • Resarö
Am Min 59 (1974), 700
  • Värmland
    • Filipstad
      • Persberg district
Pavel M. Kartashov analytical data (2002) microprobe + PXRD; Chukanov, N.V., Göttlicher, J., Möckel, S., Sofer, Z., Van, K.V. & Belakovskiy, D.I. (2010): Åskagenite-(Nd) Mn2+NdAl2Fe3+(Si2O7)(SiO4)O2, a new mineral of the epidote supergroup. Novye dannye o mineralakh, 45, 17–22 (in Russian). New data on minerals, 45, 17–22 (in English).
  • Västmanland
    • Norberg
Holtstam, D., Andersson, U.B. (2007): The REE minerals of the Bastnäs-type deposits, South-Central Sweden. Canadian Mineralogist. 45, 1073-1114
Holtstam, D., Andersson, U.B. (2007): The REE minerals of the Bastnäs-type deposits, South-Central Sweden. Canadian Mineralogist. 45, 1073-1114
      • Röberg ore field
Holtstam, D., Andersson, U.B. (2007): The REE minerals of the Bastnäs-type deposits, South-Central Sweden. Canadian Mineralogist. 45, 1073-1114
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Vorderrhein Valley
      • Tujetsch (Tavetsch)
        • Nalps Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 175.
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 175.
  • Ticino (Tessin)
    • Leventina
      • Bedretto Valley
        • Ronco
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 175.
        • Valleggia Valley
Dollinger, J., Mullis, J., Stern, W. (1999): Spezielle Nadelquarzfunde aus dem Val Bedretto (Ti). Schweizer Strahler, 11, 545–564
    • Lugano lake
      • Carona
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 175.
  • Wallis (Valais)
    • Binn Valley
      • Chummibort
Cuchet, S., van der Burgt, A. und Meisser, N. (2005): Chummibort, eine neue Fundstelle für Arsenmineralien im Binntal. Schweizer Strahler, Nr. 2, 19-29. (in German/French)
See references at locality description - cuchet et al. 2014, Schweizer Strahler. I am co-author - M. Crumbach
      • Kriegalp Valley (Chriegalp Valley)
van der Burgt, A. & Cuchet, S. (2005): Neu: Gadolinit, Aeschynit und Synchisit vom Fleschsee, Binntal (Schweiz). Lapis 30 (4), 19-27, 50. (in German)
M. Praeger (2005) Die Kluftmineralien des Binntals. extraLAPIS Nr.28: 76-100
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 175.
      • Saflisch Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 175.
Tajikistan
 
  • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
    • Gissar Range
P.M. Kartashov data
    • Kuraminskii Range
      • Shaidan Massif
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
UK
 
  • Northern Ireland
    • Co. Down
      • Mourne Mts
        • Pigeon Rock Mountain
Norman R. Moles and Andrew G. Tindle (2011) Alluvial occurrences of fergusonite and gadolinite in the Mourne Mountains, Northern Ireland. Journal of the Russell Society, 14:23-25
  • Scotland
    • North West Highlands
      • Isle of Skye
        • Luib
S.Rust collection
USA
 
  • Arizona
    • Mohave Co.
      • Aquarius Mts (Aquarius Range; Peacock Range)
        • Hackberry District
          • Hackberry
Rocks & Min.: 21:505.
        • Wallapai District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 134, 227; Thomas, B.E. (1953), Geol. of the Chloride quadrangle, AZ, Geol. Soc. of America Bull.: 64:391-420.
    • Pima Co.
      • Rincon Mts
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 227, 427; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
  • Colorado
    • Boulder Co.
Minerals of Colorado (1997) Eckels, E. B.
    • Chaffee Co.
      • Buena Vista
Rocks & Min.: 64: 471.
          • Newett
Minerals of Colorado (1997) Eckels, E. B.
No reference listed
      • Clear Creek pegmatite Province
"Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997
    • Douglas Co.
"Minerals of Colorado, updated & revised", p. 13, by Eckel, Edwin B., 1997
    • El Paso Co.
Hanson, S.L. and Zito, G. (2013) Mineralogy of Miarolitic Pegmatites in the Stove Mountain Area, Colorado. The 40th Rochester Mineralogical Symposium, Contributed Papers in Specimen Mineralogy, 14-15.
    • Fremont Co.
      • Cotopaxi District
        • Cotopaxi
          • Cotopaxi Pegmatite area
"Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997
    • Jefferson Co.
      • South Platte Pegmatite District
Minerals of Colorado (1997) Cobban et al.
Minerals of Colorado (1997) Eckel, E. B.
    • Park Co.
Minerals of Colorado (1997) Eckel, E. B.
  • Idaho
    • Lemhi Co.
      • Blackbird District
        • Blackbird mine complex
Slack, J.F. (2007), In: O'Neill, J.M. (ed.): Metallogeny of Mesoproterozoic Sedimentary Rocks in Idaho and Montana - Studies by the Mineral Resources Program, U.S. Geological Survey, 2004–2007. USGS Open-File Report 07-1280, pp. 21-28
  • New Hampshire
    • Grafton Co.
      • Bethlehem
Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
Leonard S.Wiener and Sigrid Ballew,1995, Updated by Kenny Gay,2006, A Listing Of North Carolina Minerals,Geologic Note No.4
  • Texas
    • Llano Co.
      • Bluffton
Yale Peabody Museum; Hidden, W. E. and J. B. Mackintosh 1889. A description of several yttria and thoria minerals from Llano County, Texas. American Journal of Science 3rd ser. 38:474– 486.
  • Washington
    • Okanogan Co.
      • Golden Horn Batholith
Micro Probe Volume VI Number 8; Rocks and Minerals, 66:6, p. 454; American Mineralogist, V.73, p.1191-1194
  • Wisconsin
    • Waupaca Co.
Rocks & Minerals 79:6 pp409-411
Mineral and/or Locality  
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