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Aeschynite-(Y)

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Formula:
(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
System:
Orthorhombic
Colour:
Pale yellow, ...
Lustre:
Resinous, Waxy, Pearly, Sub-Metallic
Hardness:
5 - 6
Name:
For its relationship to Aeschynite-(Ce), with yttrium as the dominant rare-earth element.
The yttrium analogue of Aeschynite-(Ce).
The most common Aeschynite Group mineral.

Classification of Aeschynite-(Y)

Approved
4.DF.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
F : With large (+- medium-sized) cations; dimers and trimers of edgesharing octahedra
8.3.6.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
18.2.15

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U
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First Recorded Occurrence of Aeschynite-(Y)

Occurrences of Aeschynite-(Y)

Geological Setting:
In granite and granite pegmatites, in ankerite-dolomitic carbonatites, as a detrital mineral in placers.

Physical Properties of Aeschynite-(Y)

Resinous, Waxy, Pearly, Sub-Metallic
Diaphaneity (Transparency):
Transparent, Translucent
Comment:
Submetallic to pearly on crystal faces, resinous to waxy on fracture surfaces.
Colour:
Pale yellow, yellow-orange, pale greenish yellow
Streak:
White, pale yellow, reddish yellow
Hardness (Mohs):
5 - 6
Tenacity:
Brittle
Cleavage:
Perfect
on {100}, {010} and {001}
Fracture:
Irregular/Uneven
Density:
4.82 - 4.93 g/cm3 (Measured)    5.5 g/cm3 (Calculated)

Crystallography of Aeschynite-(Y)

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pmna
Cell Parameters:
a = 7.47Å, b = 10.98Å, c = 5.18Å
Ratio:
a:b:c = 0.68 : 1 : 0.472
Unit Cell Volume:
V 424.87 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals to 10 cm, commonly tabular, less commonly prismatic, forms {001}, {010}, {021}, {110}, {210} and {111}, also granular and massive
X-Ray Powder Diffraction Data:
d-spacingIntensity
5.27 (4)
4.34 (5)
2.902 (10)
2.715 (5)
2.503 (4)
1.059 (7)
1.051 (7)
Comments:
Sample from "Southern China"

Optical Data of Aeschynite-(Y)

Type:
Biaxial (+)
RI values:
nα = 2.190 - 2.280 nβ = 2.210 - 2.300 nγ = 2.340 - 2.500
2V:
Measured: 70° to 80°
Max Birefringence:
δ = 0.150 - 0.220
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v, strong

Chemical Properties of Aeschynite-(Y)

Formula:
(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Essential elements:
All elements listed in formula:
Analytical Data:
Sample from Urstad, Norway; "Ce2O3" includes (La,Dy)2O3
Nb2O5 (17.99)
Ta2O5 (0.89)
SiO2 (0.38)
TiO2 (32.91)
SnO2 (0.12)
ThO2 (7.69)
UO2 (4.01)
(Y,Er)2O3 (28.76)
Ce2O3 (1.97)
FeO (1.48)
MnO (0.27)
PbO (0.06)
MgO (0.04)
CaO (1.02)
Na2O (0.22)
K2O (0.19)
H2O (1.88)

sum 99.88 wt.-%

Relationship of Aeschynite-(Y) to other Species

Series:
Forms a series with Aeschynite-(Ce) (see here)
Forms a series with Tantalaeschynite-(Y) (see here)
Other Members of Group:
Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Aeschynite-(Nd)(Nd,Ce,Ca)(Ti,Nb)2(O,OH)6
Nioboaeschynite-(Ce)(Ce,Ca,Th)(Nb,Ti)2(O,OH)6
Nioboaeschynite-(Nd)(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Nioboaeschynite-(Y)(Y,Ca,Ce,Nd,Th)(Nb,Ti,Ta)2(O,OH)6
RynersoniteCa(Ta,Nb)2O6
Tantalaeschynite-(Y)(Y,Ce,Ca)(Ta,Ti,Nb)2O6
Vigezzite(Ca,Ce)(Nb,Ti)2O6
4.DF.05Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
4.DF.05Aeschynite-(Nd)(Nd,Ce,Ca)(Ti,Nb)2(O,OH)6
4.DF.05Nioboaeschynite-(Ce)(Ce,Ca,Th)(Nb,Ti)2(O,OH)6
4.DF.05Nioboaeschynite-(Nd)(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
4.DF.05Nioboaeschynite-(Y)(Y,Ca,Ce,Nd,Th)(Nb,Ti,Ta)2(O,OH)6
4.DF.05RynersoniteCa(Ta,Nb)2O6
4.DF.05Tantalaeschynite-(Y)(Y,Ce,Ca)(Ta,Ti,Nb)2O6
4.DF.05Vigezzite(Ca,Ce)(Nb,Ti)2O6
4.DF.10ChangbaiitePbNb2O6
4.DF.15Murataite-(Y)(Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4
18.2.1Fergusonite-(Y)YNbO4
18.2.2Fergusonite-(Y)-βYNbO4
18.2.3Fergusonite-(Ce)(Ce,La,Nd)NbO4
18.2.4Fergusonite-(Ce)-β(Ce,La,Nd)NbO4
18.2.5Fergusonite-(Nd)(Nd,Ce)(Nb,Ti)O4
18.2.6Fergusonite-(Nd)-β(Nd,Ce)NbO4
18.2.7Formanite-(Y)YTaO4
18.2.8Pyrochlore GroupA2Nb2(O,OH)6Z
18.2.9Ceriopyrochlore (of Hogarth 1977)
18.2.10Strontiopyrochlore (of Hogarth 1977)
18.2.11Loparite-(Ce)(Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O3
18.2.12Fersmite(Ca,Y)(Nb,Ta,Ti)2(O,OH)6
18.2.13Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
18.2.14Aeschynite-(Nd)(Nd,Ce,Ca)(Ti,Nb)2(O,OH)6
18.2.16Nioboaeschynite-(Ce)(Ce,Ca,Th)(Nb,Ti)2(O,OH)6
18.2.17Nioboaeschynite-(Nd)(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
18.2.18Tantalaeschynite-(Y)(Y,Ce,Ca)(Ta,Ti,Nb)2O6
18.2.19Vigezzite(Ca,Ce)(Nb,Ti)2O6
18.2.20Murataite-(Y)(Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4

Other Names for Aeschynite-(Y)

Other Information

Other Information:
magnetic
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 Aeschynite-(Y)

Reference List:
Brøgger, W.C. (1879) Untersuchungen norwegischer Mineralien I. Zeitschrift für Krystallographie und Mineralogie 3, 471-487 (+ plates XI-XIII)[crystallographic description]

Prior (1899), Mineralogical Magazine: 12: 96.

Brøgger, W.C. (1906) Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. p.98-104 (as blomstrandine)

Palache, C., Berman, H. and Frondel, C. (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Seventh edition, Volume I, 793-797.

Vlasov, K.A., Ed. (1966) Mineralogy of rare elements, Vol. 2, 489-496.

Levinson, A. A. (1966) A system of nomenclature for rare-earth minerals. American Mineralogist 51, 152-158.

Ling-Yi, C. (1974) Taiyite [= aeschynite-(Y)], a new variety of aeschynite-priorite group. Acta Gelogica Sinica 91-94. [Abstract in American Mineralogist (1976), 61, 178].

Sommerauer, J. and Weber, L. (1972) Aeschynit-(Y,Gd,Dy,Er), ein neues Zerrkluftmineral der zentralen Schweizer Alpen. Schweizerische mineralogische und petrographische Mitteilungen 52, 75-91 (in German with English abstract).

Anthony, J. W. et al. (1997) Handbook of Mineralogy, Vol. 3, 5.

Internet Links for Aeschynite-(Y)

Specimens:
The following Aeschynite-(Y) specimens are currently listed for sale on minfind.com.

Localities for Aeschynite-(Y)

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Austria
 
  • Lower Austria
    • Industrieviertel
      • Gloggnitz
        • Schlossberg
Kolitsch, U. & Bernhardt, F. (SXRD and EDS; to be published)
  • Salzburg
    • Hohe Tauern
      • Gastein valley
        • Böckstein
A. Strasser: Die Minerale Salzburgs, 1989; U. Kolitsch (SXRD-analysis)
A. Strasser: Die Minerale Salzburgs, 1989
A. Strasser: Die Minerale Salzburgs, 1989
      • Habach valley
Frank Schimak collection
        • Nasenkopf
          • Leckbachgraben (Leckbachrinne)
A. Strasser: Die Minerale Salzburgs (1989)
      • Obersulzbach valley
        • Hopffeld area
Preite D. (1986) - Hopffeldboden (Salzburg, Austria) - Rivista Mineralogica Italiana, Milano, n. 1, pp. 1-11, 1986
Preite, D. (2012): Die Mineralien des Hopffeldgrabens im Obersulzbachtal, Österreich. Mineralien Welt. 23 (1), 49-53
Natural History Museum Vienna collection
      • Rauris valley
        • Hüttwinkl valley
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Tyrol
    • North Tyrol
      • Zillertal
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
        • Zamser Grund (Zams valley)
          • Schrammacher
Folie, K., Rocchetti, I. (1999): Novità Mineralogiche del Passo di Vizze. Rivista Mineralogica Italiana, 4/1999, 222-230.
Canada
 
  • New Brunswick
    • Queens Co.
      • Welsford Anorogenic Igneous Complex
Exploration and Mining Geology January-October 2005 v. 14 no. 1-4 p. 79-94
  • Nova Scotia
    • Cumberland Co.
PAPOUTSA, A.D. & PE-PIPER, G. (2013) The relationship between REE-Y-Nb-Th minerals and the evolution of an A-type granite, Wentworth Pluton, Nova Scotia. American Mineralogist 98, 444-462.
  • Ontario
    • Hastings Co.
      • Herschel Township
Ontario Ministry of Northern Development and Mines MDI Number: MDI31E01NE00024
    • Nipissing District
      • Butt Township
MDI Number: MDI31E11NE00070
    • Renfrew Co.
      • Lyndoch Township
ontariominerals.com
China
 
  • Jiangxi Province
    • Ganzhou Prefecture
      • Longnan Co.
        • Longnan REE deposits
Deqian Chen, Daoling Yin, Jianxiong Zhou, Xingyuan Lin, Hanqing Zhang and Nicheng Shi (1994): Geological Review 59(1), 82-86
  • Shaanxi Province
    • Weinan Prefecture
      • Hua Co.
Dianhao Huang, Yichang Wang, Fengjun Nie, and Xiujie Jiang (1984): Acta Geologica Sinica 63(3)
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Liberec Region
      • Jěstěd Ridge
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Třebíč
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)]
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
      • Velké Meziříčí
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
France
 
  • Midi-Pyrénées
    • Ariège
      • Luzenac
[Le Cahier des Micromonteurs 1990, 4, p.3,8-12]
  • Rhône-Alpes
    • Savoie
      • La Lauzière massif
        • Bonneval-Tarentaise
DE ASCENCAO GUEDES R.. (2000). La Lauzière : les espèces minérales, Savoie, France. Le Règne Minéral hors-série n°6, pp. 24-39. Editions du Piat. DE ASCENCAO GUEDES R. (2002). Le quartz de La Baisse, massif de La Lauzière, Savoie, France. Le Règne Minéral n°44, pp. 32-33. Editions du Piat.
      • Tarentaise valley
        • La Léchère (Notre Dame de Briançon)
De Ascencao Guedes R., Meisser N. (2002), Les fentes à cristaux de Pierre Château, La Léchère, Tarentaise (Savoie), Le Règne Minéral, n°44, pp: 35-45
Germany
 
  • Saxony
    • Oberlausitz
      • Görlitz
        • Königshain
Witzke, T. & Giesler, T. (2013): Eine Seltenerd- und Niob-Tantal-Mineralisation aus dem Königshainer Granit in der Lausitz, Sachsen.- Mineralien-Welt 24(1), 36-45
Witzke, T. & Giesler, T. (2013): Eine Seltenerd- und Niob-Tantal-Mineralisation aus dem Königshainer Granit in der Lausitz, Sachsen.- Mineralien-Welt 24(1), 36-45
        • Thiemendorf
Witzke, T. & Giesler, T. (2013): Eine Seltenerd- und Niob-Tantal-Mineralisation aus dem Königshainer Granit in der Lausitz, Sachsen.- Mineralien-Welt 24(1), 36-45
      • Löbau
        • Czorneboh
          • Cunewalde
            • Schönberg
Witzke, T., Giesler, T. (2008): Neufunde und Neubestimmungen aus der Lausitz, Der Aufschluss, Vol. 59, 245-252
Italy
 
  • Aosta Valley
    • Courmayeur
      • Les Grandes Jorasses Massif
        • Ferret Valley
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): MInerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
      • Monte Bianco Massif (Mont Blanc Massif)
        • Veny 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.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
  • Liguria
    • Savona Province
      • Maremola Valley
        • Magliolo
Bracco, R., Callegari, A., Boiocchi, M., Balestra, C., Armellino, G., Ciriotti, M. E. (2006). Costa Balzi Rossi (Magliolo, Val Maremola, Savona, Liguria): una nuova località per minerali di terre rare e scandio. MICRO (località), 2006, 161-178.
  • Lombardy
    • Sondrio Province
      • Valtellina
        • Malenco Valley
          • Chiesa in Valmalenco
Bedogné, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
    • 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
    • Cuneo Province
      • Bagnolo Piemonte
        • Ortieul
Piccoli, G.C. (2002): Minerali delle Alpi Marittime e Cozie. Provincia di Cuneo. Amici del Museo "F. Eusebio", Ed., Alba, 366 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, 607 pag.
      • Gesso Valley
Piccoli, G. C., & Lombardo, B. (2004). Il massiccio cristallino dell'Argentera. Rivista Mineralogica Italiana, 28 (1): 6-23
      • Stura Valley
        • Vinadio
- Piccoli, G.C. (2002): I minerali delle Alpi Marittime e Cozie. Provincia di Cuneo. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 362 pp.
          • Sant’Anna Valley
- Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.
    • Torino Province
      • Lanzo Valleys
        • Ala Valley
          • Balme
            • Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa)
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.
      • Luserna San Giovanni
- Finello, G., Ambrino, P., Kolitsch, U., Ciriotti, M.E., Blaß, G., Bracco, R. (2007): I minerali della “Pietra di Luserna”, Piemonte, Italia nord-occidentale. I. Alcune cave di gneiss della Val Luserna. Micro (località), 2/2007, 181-226.
No reference listed
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
American Mineralogist, 84(5-6), 782-789
      • Ossola Valley
        • Baceno
          • Devero Alp (Devero Valley; Val Devero)
J. W. Anthony et al.: Handbook of Mineralogy, Vol. III (1997)
        • Beura-Cardezza
Weiss, S. (1983): Valle d'Ossola. Kluftmineralien aus Steinbrüchen im Valle d'Ossola. Lapis, 8/1983, 12, 24-28
        • Vigezzo Valley
          • Toceno
Rivista Mineralogica Italiana, 23 (1), 42-49.
        • Villadossola
Rivista Mineralogica Italiana, 2 157-170.
  • Sardinia
    • Cagliari Province
      • Sarroch
- Orlandi, P., Gelosa, M., Bonacina, E., Caboni, F., Mamberti, M., Tanca, G., A. et Vinci, A. (2013) : Sardignaite, gelosaite et tancaite-(Ce) : trois nouveaux minéraux de Su Seinargiu, Sarroch, Sardaigne, Italie. Le Règne Minéral, 112, 39-52.
  • 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; Folie K. Rocchetti I. (1999) Novità mineralogiche dal Passo di Vizze, Rivista Mineralogica Italiana, n° 4, 222-230
Buscaroli, C., Del Pozzo, C., e Tosato, F. (1994): La fergusonite della Wasserfallkopfe in Val di Vizze. Rivista Mineralogica Italiana, 4/1994, 337-341
    • Trento Province
      • Fiemme Valley
        • Predazzo
Vecchi, F., Rocchetti, I. & Gentile, P. (2013): Die Mineralien des Granits von Predazzo, Provinz Trient, Italien. Mineralien-Welt, 24(6), 98-117 (in German).
Japan
 
  • Honshu Island
    • Chubu Region
      • Gifu Prefecture
        • Nakatsugawa City
The Mineral Species of Japan (5th ed) Matsubara
      • Yamanashi Prefecture
        • Kinpuzan district
          • Kofu City
            • Otome mine (Mitake mine)
The Mineral Species of Japan (5th ed) Matsubara
    • Kinki region
      • Mie Prefecture
        • Komono town
          • Yunoyama-onsen
Hiromi Yamasaki collection
Madagascar
 
  • Antananarivo Province
    • Itasy Region
      • Soavinandriana District
        • 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
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
        • Mahavelona Commune
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
    • Vakinankaratra Region
      • Antsirabé 2 District
        • Sahanivotry Manandona Commune
Behier, J. (1958): Contribution ã la mineralogie de Madagascar (Deuxième partie). Travaux du Bureau Géologique, Service Géologique Tananarive, p.92 + fig 15, planche 2.; Besairie H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 71
      • Betafo District
        • Mahaiza Commune
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
  • Tuléar Province (Toliara)
    • Menabe Region
      • Miandrivazo District
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
P.M. Kartashov data
Norway
 
  • Aust-Agder
    • Arendal
Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6, p.110
      • Stokken
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, J.R. (1958): Rare earths in some niobate-tantalates. Mineralogical Magazine. 31: 763-780
    • Froland
Wilke, H.-J. (1976): Mineral-Fundstellen Band 4: Skandinavien. Chr. Weise Verlag, München, 370 pp. (p 58)
Bonazzi, P., ;Zoppi, M.;Dei, L. (2002) Metamict aeschynite-(Y) from the Evje-Iveland district (Norway): heat-induced recrystallization and dehydrogenation. European Journal of Mineralogy,14, 141-150
J. W. Anthony et al.: Handbook of Mineralogy, Vol. III (1997)
      • 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
Iveland municipality collection # 156
      • Kåbuland
Bjørlykke, H.(1932): Blomstrandin von Kåbuland. Norsk Geologisk Tidsskrift. 11: 232-239 (p. 236); 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
Hansen, G. H. (2001): Mineralene i Evje - Iveland. (Minerals of Evje - Iveland). Published by Froland Mineral Center, p.16
        • Knipan (Knipane)
Breivik, H., Myre, K. & Gunnufsen, K. (2010): Gammelt og nytt, stort og smått fra Storsynken, Knipane, Iveland. Norsk Bergverksmuseum Skrift. 43: 88-93
Hansen, G. H.(2001): Mineralene i Evje - Iveland. Published by Froland Mineral Center. 1-88 pp
    • Risør
      • Søndeled
Andersen (1926): Feltspart I. Norges Geologiske Undersøkelse. 128a, 1-142 (p. 75); Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 82
  • Buskerud
    • Øvre Eiker
Anonymous (1982): Tryterud (F4-11). DG-nytt [A local magazine for the Drammen geological society, Norway]nr 4, 13
  • Telemark
    • Kragerø
      • Lindvikskollen-Kalstadgangen pegmatite
Kristiansen, R. (2010): Caysichitt-(Y) og chernovitt-(Y) fra Lindvikskollen- igjen ! Stein, 37 (3): 14-15
  • Vest-Agder
    • Flekkefjord
      • Hidra (Hitterø)
        • Hæstad
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
Adamson, O. J. (1942): The granite pegmatites of Hitterö, SW Norway. Geologiska Föreningen i Stockholm Förhandlingar 64: 97-116; 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
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
Brøgger, W.C. (1879): Untersuchungen norwegischer Mineralien I. Zeitschrift für Krystallographie und Mineralogie 3, 471-487 (+ plates XI-XIII); Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6: 97- 104; Adamson (1942); Clark (1993 - "Hey's Mineral Index, 3rd Edition")
Adamson, O. J. (1942): The granite pegmatites of Hitterö, SW Norway. Geologiska Föreningen i Stockholm Förhandlingar 64: 97-116
    • Lyngdal
      • Austad (Austa)
Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6.[p. 107]
Romania
 
  • Harghita Co.
    • Ditrău (Ditró)
Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Russia
 
  • Eastern-Siberian Region
    • Tuva Republic
no reference
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Keivy Mountains
          • Western Keivy Massif
No reference listed
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
J. W. Anthony et al.: Handbook of Mineralogy, Vol. III (1997)
Saudi Arabia
 
  • Mintaqah Tabuk
    • Midyan
Küster, D. (2009): Ore Geology Reviews 35, 68-86.
Slovakia
 
  • Košice Region
    • Rožňava Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
South Korea
 
  • Chungcheongbukdo (Chungchong-pukto)
    • Chungju (Chung Won Kum; Chung-ju)
      • Joongwon-gun
        • Mt. Eorae
P.M. Kartashov data
Swaziland
 
  • Hhohho District
Prior, G. T. (1899): Minerals from Swaziland: Niobates and Titanates of the Rare Earths, Chemically Allied to Euxenite and Fergusonite; Cassiterite, Monazite, etc. The “Æschynite” from Hitterö. Mineralogical Record, 12: 96-101; J. W. Anthony et al.: Handbook of Mineralogy, Vol. III (1997)
Sweden
 
  • Småland
    • Växjö
      • Asa
See above.
  • Uppland
    • Österåker
Nysten, P. (1996): Paragenetic setting and crystal chemistry of milarites from Proterozoic granitic pegmatites in Sweden. Neues Jahrbuch für Mineralogie, Monatshefte 1996, 564-576.
  • Västergötland
    • Ale
      • Nödinge
Natural History Museum, Stockholm collection, inventory # LK7647
    • Svenljunga
      • Överlida
Kjellman (1996), Uppsala Univ.
Switzerland
 
  • Bern
    • Hasli Valley
      • Grimsel area
        • Gerstenegg
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
  • Grischun (Grisons; Graubünden)
    • Vorderrhein Valley
      • Tujetsch (Tavetsch)
        • Nalps Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
  • Ticino (Tessin)
    • Leventina
      • Bedretto Valley
        • Ronco
J. W. Anthony et al.: Handbook of Mineralogy, Vol. III (1997)
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
      • Central St Gotthard Massif
        • Fontana
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
        • Lucendro Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
    • Lugano lake
      • Carona
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
  • Wallis (Valais)
    • Binn Valley
      • Chummibort
See references at locality description - cuchet et al. 2014, Schweizer Strahler. I am co-author - M. Crumbach
      • Kriegalp Valley (Chriegalp Valley)
van der Burgt, A. & Cuchet, S. (2005): Neu: Gadolinit, Aeschynit und Synchisit vom Fleschsee, Binntal (Schweiz). Lapis 30 (4), 19-27, 50. (in German)
No reference listed
S Wolfsried collection
    • Goms
      • Oberwald
Stephan Wolfsried collection (EDS G. Blaß, SXRD U. Kolitsch)
    • Le Trient Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
    • Les Bagnes Valley
      • Entremont Valley
        • Ferret Valley
          • La Fouly
Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37.; Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37.
    • Martigny
      • Mont Chemin
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 394.
    • Raron
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 55
    • Vernayaz
      • Miéville
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 54
Ukraine
 
  • Zaporozhskaya Oblast' (Zaporiz'ka; Zaporozh'e)
    • Priazovie
      • Eliseevka
        • Eliseevskoe pegmatite field
Lazarenko E.K. e.a. Mineralogy of Priazovie, - Kiev, "Naukova Dumka", 1981, p. 432.
USA
 
  • Arizona
    • Mohave Co.
      • Cerbat Mts (Cerbat Range)
        • Wallapai District
          • Kingman area
            • Kingman Feldspar Mine (Kingman group of claims; Kingman Feldspar Quarry; Kingman Feldspar Quarries)
Rocks & Min. (2007) 82:236-237
  • Arkansas
    • Pulaski Co.
      • Little Rock
        • Granite Mountain area
Henry Barwood - unpublished (2010)
  • Colorado
    • Chaffee Co.
      • Buena Vista
        • Trout Creek Pass Pegmatite District
          • Newett
Minerals of Colorado (1997) Eckels, E. B.
    • Clear Creek Co.
      • Dailey District (Jones Pass District)
Minerals of Colorado (1997) Eckels, E. B.; USGS Open-File Report 80-661
    • Fremont Co.
      • Goldie Gulch
Minerals of Colorado (1997) Eckel, E. B.
    • Park Co.
      • Tarryall Springs District (Puma City)
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
  • Michigan
    • Marquette Co.
      • Republic
Mineralogy of Michigan (2004) Heinrich & Robinson; Snelgrove, A. K., W.A. Seaman and V.L. Ayres (1943), Mich. Geol. Survey Progr. Rept.
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