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About HellanditeHide

This page provides mineralogical data about Hellandite.

Other Language Names for HellanditeHide

Simplified Chinese:钙铒钇石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ciprianiite1 photo of Hellandite associated with Ciprianiite on mindat.org.

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.

Internet Links for HellanditeHide

Localities for HellanditeHide

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.
  • Loṙi Province (Lori)
Kogarko, L. N., Konova, V. A., Orlova, M. P., & Woolley, A. R. (1995). Caucasus (Armenia, Azerbai’an, Georgia). In Alkaline Rocks and Carbonatites of the World (pp. 59-64). Springer Netherlands.
  • Ontario
    • Nipissing District
      • Murchison Township
[Hellandite-(Y)] Reiner Mielke 2013
  • Québec
    • Nord-du-Québec
      • Matagami
[Hellandite-(Y)] Canadian Mineralogist, 32, 33–147; American Mineralogist (1999) 84, pages 913–921
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Val-des-Monts
          • Lac Saint-Pierre (Wakefield Lake)
[Hellandite-(Y)] Canadian Mineralogist Vol. 12, pp. 298-298 (1974)
  • Hebei
    • Baoding
      • Quyang Co.
[Hellandite-(Y)] Dizhi Xuebao, 60, 68–77; American Mineralogist, Volume 84, pages 913–921, 1999
  • Occitanie
    • Ariège
      • Luzenac
[Hellandite-(Y)] Le Cahier des Micromonteurs Year 1990 N° 4
  • Latium
    • Rome Province
Caponera, I., Fiori, S., Pucci, R., & Signoretti, E. (2007). I minerali dei Colli Albani. Un aggiornamento sugli ultimi dieci anni di ricerche. Rivista Mineralogica Italiana, 31 (2), 74-91.
      • Sacrofano Caldera
        • Campagnano di Roma
        • Sacrofano
    • Viterbo Province
[Hellandite-(Ce)] Di Domenico Dario
      • Vico volcanic complex (Vico Lake)
        • Capranica
[Hellandite-(Ce)] Lapis 11(1999), 27; Della Ventura, G., Williams, C.T., Cabella, R., Oberti, R., Caprilli, E., Bellatreccia, F. (1999) Britholite-hellandite intergrowths and associated REE-minerals from the alkali-syenitic ejecta of the Vico volcanic complex (Latium, Italy): petrological implications bearing on REE mobility in volcanic systems. European Journal of Mineralogy, 11, 843-854; Oberti, R., Ottolini, L., Cámara, F., Della Ventura, G. (1999) Crystal structure of non-metamict Th-rich hellandite-(Ce) from Latium (Italy) and crystal chemistry of the hellandite-group minerals. American Mineralogist, 84, 913–921; Della Ventura, G. (2002) Ciprianite, mottanaite-(Ce) e hellandite-(Ce): tre nuovi minerali scoperti nel Lazio e revisione sistematica del gruppo dell'hellandite. Il Cercapietre, 1-2; http://www.gminromano.it/Cercapietre/rivista02/testo/02A01.html; Oberti, R., Della Ventura, G., Ottolini, L., Hawthorne, F.C., Bonazzi, P. (2002) Re-definition, nomenclature and crystal-chemistry of the hellandite group. American Mineralogist, 87, 745–752; Allori, R. (2003) 'Hellanditi' laziali: ciprianiite, hellandite-(Ce) e mottanaite-(Ce), tre nuove specie. Micro, 1, 0 (0-2003) notizie mineralogiche, 1-4; Ciriotti, M.E., Fascio, L., Pasero, M. (2009): Italian type minerals. Edizioni Plus – Università di Pisa, Pisa, 357 pp.
[Hellandite-(Ce)] "Giorgio Bortolozzi (visual identification)". Although not analysed, the suffix -(Ce) has been attributed because all analytical data on britholites from other localities of the Vico volcanic complex show that the mineral is cerium dominant.
        • Vetralla
[Hellandite-(Ce)] in the collection of Christof Schäfer; Signoretti, E., Carlini, R., Mattei, L. (2004): Località minori del vulcano Vicano: Pian di S. Martino, Le Carcarelle, Torre del Quercio. Il Cercapietre, 1-2, articolo 3; http://www.gminromano.it/Cercapietre/rivista04/testo/04A04.html; Carlini, R., Signoretti, E. (2016): Il Lazio Classico, minerali della zona di Vetralla: Tre Croci, Capo d’Acqua, Fosso Ricomero e Carcarelle. Fossils & Minerals Review, 2, 21-55; http://www.giovanigeologi.it/wp-content/uploads/2017/04/numero2web.pdf
[Hellandite-(Ce)] American Mineralogist, Volume 91, pages 1170–-1177, 2006
[Hellandite-(Ce)] Carlini, R., Signoretti, E., 2003. Località minori del vulcano Vicano: Villa S.Giovanni in Tuscia e Mazzocchio. Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 33-41
  • Piedmont
    • Cuneo Province
      • Bagnolo Piemonte
[Hellandite-(Y)] Flavio G. Taricco collection - Analized by SIUK AMI (Associazione Micromineralogica Italiana)
    • Torino Province
      • Pellice Valley
        • Luserna Valley
[Hellandite-(Y)] - Finello, G., Ambrino, P., Kolitsch, U., Ciriotti, M.E., Blaß, G., Bracco, R. (2007): I minerali della “Pietra di Luserna”, Piemonte, Italia nord-occidentale. I. Alcune cave di gneiss della Val Luserna. Micro (località), 2/2007, 181-226.
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
[Hellandite-(Y)] Sergio Varvello collection
  • Sardinia
    • Sassari Province
      • La Maddalena
        • La Maddalena Island
[Hellandite-(Y)] Gamboni, A. (2003): Cala Francese - La Maddalena (SS). Micro (località), 2003, 11-20
  • Trentino-Alto Adige
    • Trento Province (Trentino)
      • Fiemme Valley
De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
Ref: Daniele Ravagnani - I giacimenti uraniferi Italiani ed i loro minerali - Gruppo Mineralogico Lombardo-Museo Civico di Storia Naturale di Milano - Milano, 1974, pp. 154-155; American Mineralogist, 87, pages 745–752, 2002
  • Tuscany
    • Livorno Province
Innocenti F., Westerman D.S., Rocchi S., Tonarini S. (1997): The Montecristo Monzogranite (Northern Tyrrhenian Sea Italy): a collisional pluton in an extensional setting. Geol. J., 32, 131-151; Rocchi S., Westerman D.S., Innocenti F. (2003): Montecristo Island: intrusive magmatism. Per. Mineral., 72, 2 (Special Issue), 105-118.
  • Gifu
    • Nakatsugawa City
      • Hirukawa
[Hellandite-(Y)] Miyawaki, R. et al (1987) Kobutsugaku Zasshi, 18, 17–30; American Mineralogist, 84, pages 913–921, 1999
  • Miyazaki
    • Nobeoka City
      • Kitagawa
[Hellandite-(Y)] Okada, T. (2011) Hellandite from Mt. Ookueyama, Kitagawa Town, Nobeoka City, Miyazaki Prefecture, Japan. Chigaku Kenkyu, 60 (1), 25-31.
  • Aust-Agder
    • Iveland
[Hellandite-(Y)] 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
  • Buskerud
    • Øvre Eiker
      • Gunhildrud
Jahren, J.; Berg, H.J.; Hurum, J.H. & Wulff-Pedersen, E. (1998): Nye undersøkelser av amazonitt-genthelvin pegmatitten fra Fiskum, Øvre Eiker. Bergverksmuseets Skrift 14, 13-16
  • Nordland
    • Tysfjord
      • Drag
[Hellandite-(Y)] Tomas Husdal data
  • Telemark
    • Bamble
      • Skogstad
[Hellandite-(Y)] 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
[Hellandite-(Y)] Raade, G. & Kristiansen, R. (2000a): Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Norsk Bergverksmuseum Skrifter. 17, 19-25;
    • Kragerø
      • Lindvikskollen-Kalstadgangen pegmatite
[Hellandite-(Y)] Brøgger, W.C. (1903): Über Hellandit, ein neues Mineral (Vorlaüfige Mittheilungen). Nyt Magazin for Naturvidenskaberne 41, 213-221; Brøgger, W. C. (1906): Hellandit von Lindvikskollen bei Kragerö. Zeitschrift für Kristallographie und Mineralogie 42, 417-439 ; American Mineralogist, 62, 89, 1977); American Mineralogist, 87, pages 745–752, 2002;
  • Lower Silesian Voivodeship
    • Dzierżoniów Co.
      • Piława Górna
        • DSS Piława Górna Quarry
[Hellandite-(Y)] 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.
South Africa
  • Limpopo
    • Waterberg District
      • Mogalakwena
        • Mokopane (Potgietersrus)
Minerals of South Africa
Minerals of South Africa
  • Gorno-Badakhshan
[Hellandite-(Y)] P,M. Kartashov data
  • California
    • Riverside Co.
      • Jurupa Valley
        • Jurupa Mts
MinRec 15:273-290
  • Idaho
    • Boise Co.
[Hellandite-(Ce)] The Canadian Mineralogist, V 42, 2004, pp. 121-124.
  • New Jersey
    • Sussex Co.
      • Franklin mining district
        • Franklin
[Hellandite-(Y)] John Cianciulli, Curator, Franklin Min. Museum; analysis by Andy Roberts (pending publication in The Picking Table).
Mineral and/or Locality  
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