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Thortveitite Group

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About Thortveitite GroupHide

Formula:
REE2Si2O7
A group of rare-earth disilicates with the general formula REE2Si2O7; the closely related Ca-Zr-disilicate gittinsite is also included.

Numerous synthetic compounds with the thortveitite structure or a closely related structure are known.


Chemical Properties of Thortveitite GroupHide

Formula:
REE2Si2O7

Relationship of Thortveitite Group to other SpeciesHide

Group Members:
Keiviite-(Y) Y2Si2O7
Keiviite-(Yb) Yb2Si2O7Mon. 2/m : B2/m
Thortveitite Sc2Si2O7Mon.

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 Thortveitite GroupHide

Localities for Thortveitite GroupHide

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.
Austria
 
  • Lower Austria
    • Waldviertel
      • Gföhl
        • Felling
[Keiviite-(Y)] Kolitsch, U. (2017): 2040) Diaspor, Keiviit-(Y), Margarit, Monazit-(Ce), Xenotim-(Y), Zirkon und weitere Mineralien in einer Korund-Almandin-Probe vom Latzenhof bei Felling im Waldviertel, Niederösterreich. Pp. 259-261 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
  • Salzburg
    • Hohe Tauern
      • Obersulzbach valley
        • Hopffeld area
[Thortveitite] Putz, H. (2007): Beiträge zur Landesmineralogie Salzburgs. Miner. Arch. Salzb. 12, 255-256.
Brazil
 
[Thortveitite] Kristiansen, R.(1997): Thortveititt- Sc2Si2O7-et historisk tilbakeblikk og dagens status. STEIN magazine. 24 (3): 111-115.
Canada
 
  • Ontario
    • Thunder Bay District
      • Walsh Township
[Thortveitite] Potter, E. G. and Mitchell, R.H. (2005): Mineralogy of the Deadhorse Creek volcaniclastic breccia complex, northwestern Ontario, Canada. Contributions to Mineralogy and Petrology, 150 (2): 212-229
  • Québec & Newfoundland and Labrador
[Keiviite-(Y)] BROSSEAU-LIARD, A. (2012) The nature and origin of REE and associated rare metal mineralization in the
China
 
  • Hunan Province
    • Chenzhou Prefecture
      • Linwu Co.
        • Xianghualing Sn-polymetallic ore field
[Thortveitite] Lee, K.Y. (1970): Some Rare-earth mineral deposits in mainland China. U.S. Geological Survey Bull. 1312-N: N1-N34.
Czech Republic
 
  • Vysočina Region
    • Třebíč District
      • Třebíč
        • Kožichovice
[Thortveitite] Výravský, J, Škoda, R. & Novak, M. (2017) Kristiansenite, thortveitite and SCNbO4: Products of Ca-metasomatism of Sc-enriched columbite-(Mn) from NYF pegmatite Kožichovice II, Czech Republic. PEG2017. NGF Abstracts and Proceedings, 2017 (2): 169-172.
Finland
 
  • Lapland Region
    • Pello (Turtola)
[Thortveitite] Kristiansen, R.(1997): Thortveititt- Sc2Si2O7-et historisk tilbakeblikk og dagens status. STEIN magazine. 24 (3): 111-115; Ilkka Mikkola collection, XRD and microprobe.
France
 
  • Auvergne-Rhône-Alpes
    • Savoie
      • La Lauzière massif
        • Bonneval-Tarentaise
[Thortveitite] Journet, P. and Journet, D. (2016) - La thortveitite de La Lauzière, Savoie. Le Règne Minéral, 127, 25-26.
  • New Caledonia
    • Northern Province
      • Ouégoa Commune
[Thortveitite] Spandler, C.; Hermann, J. and Rubatto, R. (2004) : Exsolution of thortveitite, yttrialite, and xenotime during low-temperature recrystallization of zircon from New Caledonia, and their significance for trace element incorporation in zircon. American Mineralogist 89: 1795-1806
  • Occitanie
    • Ariège
      • Luzenac
[Thortveitite] Gatel, P. , Parodi, G. , Parseval (De), P. , Fontan, F. and Marty, F. (2002): Les minéraux de terres rares à Trimouns. Le Règne Minéral(Hors série 8), 29-63
Germany
 
  • Saxony
    • Görlitz
      • Thiemendorf
[Thortveitite] T. Witzke & T. Giesler (2003): Thortveitit aus dem Königshainer Granit in der Lausitz, Sachsen - ein Neufund für Deutschland.- Lapis 28 (6), 46-47
Italy
 
  • Aosta Valley
    • Nus
      • Saint-Barthélemy
[Thortveitite] • Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122.
  • Liguria
    • Savona Province
      • Maremola Valley
        • Magliolo
[Thortveitite] 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
    • Varese Province
      • Ceresio Valley
[Thortveitite] 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
[Thortveitite] 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. (2005): Scandium silicates from the Baveno and Cuasso al Monte NYF-granites, Southern Alps (Italy): Mineralogy and genetic inferences. Am. Mineral., 90, 1442-1452.; Biffi, P., Sbacchi, M., Sinelli, E. (2004): Gli arseniati di Cava del Prete e altre novità mineralogiche dal granofiro di Cuasso al Monte (Varese). Riv. Mineral. Ital., 28, 4 (4-2004), 232-239.
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Feriolo
[Thortveitite] 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
[Thortveitite] 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.
[Thortveitite] No reference listed
  • Sardinia
    • Cagliari metropolitan city (Metropolitan City of Cagliari)
      • Sarroch
[Thortveitite] - 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.; Orlandi P., Gelosa M., Bonacina E., Caboni F., Mamberti M., Tanca G.A., Vinci A. (2015): Sette nuove specie mineralogiche della Sardegna. I minerali della mineralizzazione a molibdeno e bismuto di Su Seinargiu (CA). Riv. Mineral. Ital., 39, 2, 84-115.
    • Sassari Province
      • Calangianus
[Thortveitite] Tanca, G.A., Gamboni, A., Mamberti, M. & Mascia, S. (2007) – Furru e Conca, Massiccio granitico del Monte Limbara, Calangianus, Olbia-Tempio Pausania - Rivista Mineralogica Italiana, Milano. 31,4,pp.274-281.
Japan
 
  • Honshu Island
    • Kinki Region
      • Kyoto Prefecture
        • Kyotango City
[Thortveitite] Masutomi Museum specimens (Kyoto)
[Thortveitite] Yamada et al. (1980): On the thortveitite, fluocerite, pyroxferroite and minerals from Isanago mine, Oro, Naka gun, Kyoto prefecture. Chigaky Kenkyu, 31: 205-222 (in Japanese).
        • Ohmiya town
          • Kobe
[Thortveitite] Sakurai et al. (1962): Thortveitite from Kobe, Omiya, Japan. Bulletin of the Chemical Society of Japan, 35: 1775-1779.
Kazakhstan
 
  • East Kazakhstan
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
[Keiviite-(Y)] STEPANOV, A.V., BEKENOVA, G.K., LEVIN, V.L., HAWTHORNE, F.C. & DOBROVOL’SKAYA, E.A. (2012): Tarbagataite,(K,□)2(Ca,Na)(Fe2+,Mn)7Ti2(Si4O12)2O2(OH)4(OH,F), a new astrophyllite-group mineral species from the Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan: description and crystal structure Canadian Mineralogist 50,159-168.
  • Karaganda
[Thortveitite] http://geo.web.ru/druza/l-Kent.htm
    • Shet District
      • Mointy (Moyynty)
        • Mointy Railway Station
[Thortveitite] A.V. Stepanov data
Madagascar
 
  • Antananarivo Province
    • Analamanga Region
      • Anjozorobe District
        • Beronono Commune
[Thortveitite var: Befanamite] Lacroix, A. (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel (Éditeur), Paris. 624p. [p.500-502]; Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, 19-20
      • Ankazobe District
        • Andranomiady Commune
[Thortveitite] 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; Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 19.
[Thortveitite] Guigues, J. (1955): Etude des gisements de pegmatite de Madagascar (Deuxième partie). Travaux du Bureau Géologiques de Madagascar 67, Service Geologique, Tananarive, p 8-9
  • Mahajanga Province (Majunga)
    • Betsiboka Region
      • Tsaratanàna District
        • Bekapaika Commune
          • Berere Pegmatite Field
[Thortveitite var: Befanamite] Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
    • Boeny Region
      • Ambato-Boeni District
        • Andranomamy Commune
          • Kelimaizina
[Thortveitite var: Befanamite] Behier, J. (1960): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
Norway
 
  • Aust-Agder
    • Birkenes
      • Vegusdal
[Thortveitite] Neumann, H. (1961): The scandium content of some norwegian minerals and the formation of thortveitite, a reconnaissance survey, NGT Vol. 41 (2-4), pp. 197-210.
    • Evje og Hornnes
[Keiviite-(Y)] Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68 + Pers. commentary Gunnar Raade 1988
      • Landsverk
[Thortveitite] Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
[Thortveitite] - 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 + plates X- XIII
[Thortveitite] Frigstad, O.F. 1968: En undersøkelse av cleavelanditsonerte pegmatittganger i Iveland-Evje, nedre Setesdal. PhD thesis, University of Oslo.
[Thortveitite] 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
    • Iveland
      • Æretveit
[Thortveitite] Collection of Iveland kommune (Iveland municipality)
      • Eptevatnet
[Thortveitite] 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; Marble, J.P. and Glass, J.J. (1942): Some new data on thortveitite. American Mineralogist 27: 696-698
      • Frikstad
[Thortveitite] Neumann, H. & Sverdrup, T.L.(1960): Contributions to the mineralogy of Norway No. 8. Davidite from Tuftan, Iveland. Norsk Geologisk Tidsskrift 40: 277-288
[Thortveitite] Nordrum, F. S. (2004): Nyfunn av mineraler i Norge 2003-2004. STEIN 31 (2), 36-44
      • Håverstad
[Thortveitite] Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
      • Ivedal
[Keiviite-(Y)] Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ; Nilssen, B. (1971): Yttrialite from Ivedal, Iveland, South Norway. Norsk Geologisk Tidsskrift 51, 1-8
[Thortveitite] Knut Eldjarn collection
[Thortveitite] Nordrum, F.S. (2005): Nyfunn av mineraler i Norge 2004-2005. Norsk Bergverksmuseum Skrift. 30: 117-124
[Keiviite-(Y)] Stensrud, S. (2009): De opptredende mineraler på granittpegmatittganger i Iveland og Evje. Unpublished paper based on 4 previous papers written together with Johan Løchen.
[Thortveitite] [Ronald Werner]; Larsen, K. E. (2018): Noen funn av mineraler i Norge 2017 - 2018. Norsk Mineralsymposium 2018: 105-114
      • Ljosland
        • Knipan (Knipane)
[Thortveitite] 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
[Thortveitite] Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
[Thortveitite] Rudy Bolona photo and specimen
[Thortveitite] Corneliussen, Andreas (2012- ): Prosjektet Gruver i Iveland/Evje http://www.pegmatite.no
[Keiviite-(Y)] Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
[Keiviite-(Y)] Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
[Thortveitite] Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
  • Finnmark
    • Kautokeino
[Thortveitite] Mathiesen, C.O. (1969): An occurence of unusual minerals at Bidjovagge, Northern Norway.Norges Geologiske Undersøkelse 266, 86-104
[Thortveitite] Olerud,S. (1988): Davidite-loveringite in early Proterozoic albite felsite in Finnmark, North Norway. Mineralogical Magazine 52: 400-402
  • Nordland
    • Tysfjord
      • Drag
        • Lapplægeret
[Keiviite-(Y)] Husdal, T. (2011): Tysfjordgranittens pegmatitter. Stein. 38 (4): 4-35
[Keiviite-(Y)] Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
  • Svalbard
    • Spitsbergen
      • Hornsund fjord
[Keiviite-(Y)] Pršek, J., Majka, J., Uher, P. & Chudík, P. (2010): Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary assemblage. Neues Jahrbuch für Mineralogie - Abhandlungen 187, 235-248
  • Telemark
    • Drangedal
      • Tørdal
[Thortveitite] Knut Edvard Larsen collection & Roy Kristiansen collection; Kristiansen, R. (2018): Nye mineralfunn fra Heftetjern-pegmatitten. Norsk Mineralsymposium 2018: 79-92.
    • Nome
[Thortveitite] Åmli, R. (1977): Carbonatites, a possible source of Scandium as indicated by Sc-mineralization in the Fen peralkaline complex, Southern Norway. Economic Geology 72: 855-859
  • Vest-Agder
    • Vennesla
      • Øvrebø
[Keiviite-(Y)] Griffin, W.L., Nilssen, B. and Jensen, B.B. (1979) Britholite-(Y) and its alteration: Reiarsdal, Vest-Agder, south Norway. Norsk Geologisk Tidsskrift 59: 265-271
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Dzierżoniów District
      • Piława Górna (Ober Peilau; Gnadenfrei)
        • DSS Piława Górna Quarry
[Keiviite-(Y)] Pieczka, A., Hawthorne, F.C., Ma, C., Rossman, G.R., Szełęg, E., Szuszkiewicz, A., Turniak, K., Nejbert, K., Ilnicki, S.S., Buffat, P., Rutkowski, B. (2016): Żabińskiite, ideally Ca(Al0.5Ta0.5)(SiO4)O, a new mineral of the titanite group from the Piława Górna pegmatite, the Góry Sowie Block, southwestern Poland, Mineralogical Magazine: 80: (in press
    • Świdnica District
[Thortveitite] 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
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Keivy Mountains
        • Western Keivy Massif
[Keiviite-(Y)] Voloshin A.V., Pakhomovskii Ya.A., Tyusheva F.N. [Волошин А.В., Пахомовский Я.А., Тюшева Ф.Н.] (1985): Kevyite-(Y) - a new yttrium diorthosilicate, and thalénite from amazonite pegmatites of the Kola Peninsula. Diortho- and triorthosilicates of yttrium [Кейвиит-(Y) – новый иттриевый диортосиликат и таленит из амазонитовых пегматитов Кольского полуострова. Диорто- и триортосиликаты иттрия]. Min. Zhurnal [Мин. Журнал], 7, 79-94 (in Russian); 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); Pekov I.V. (1998): Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow, 369 pp.
[Thortveitite] Voloshin et al (1991) Scandium mineralization and the first find of thortveitite Sc2Si2O7 in granitic pegmatites of the Kola peninsula. Dokl. Acak. Naul, SSSR, 318: 972-976 (in Russian).
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
[Thortveitite] Kainov, V.I. (1973): Thortveitite and xenotime from quartz veins of the southern Ural. (in Russian) [Consult Chem Abstr.,81, 27911g (1974)]
[Thortveitite]
  • Western-Siberian Region
    • Altai Republic (Gorno-Altayskaya Autonomous Oblast')
[Thortveitite] Egorov et al (1993) Kumir scandium-rare-earth ore occurrence in Gornyi Altai, - Izv. Vyssh. Uchebn. Zaved., Geol. i Razved., (2), pp. 43-54 (in Rus.).
Sweden
 
  • Dalarna
    • Borlänge
      • Stora Tuna
[Keiviite-(Y)] Radek Skoda, Inst Geol Sci, Masaryk Univ, Brno, Czech Republic
  • Norrbotten
    • Jokkmokk
[Thortveitite] Langhof, J. (1996): Thortveitite from granitic NYF pegmatites in Sweden. Geologiska Föreningens I Stockholm Förhandlinger 118, A54
  • Uppland
    • Vaxholm
      • Resarö
[Keiviite-(Y)] Mineralogical Record (1987) 18 (5), 359-368
  • Värmland
    • Filipstad
      • Persberg district
[Keiviite-(Y)] Kristiansen, Roy (1993): Thalenitt-liknende mineraler fra Åskagen, Sverige. STEIN 20 (1), 7-8 + 58-60
  • Västergötland
    • Svenljunga
      • Överlida
[Thortveitite] Langhof, J. (1996): Thortveitite from granitic NYF pegmatites in Sweden. Geologiska Föreningens I Stockholm Förhandlinger 118, A54 Kjellman (analyst)
USA
 
  • Montana
[Thortveitite] Parker & Havens (1963) U.S. Geological Survey Professional Paper 475-B: B10-B11; Foord, Eugene E. et al (1993) Canadian Mineralogist: 31: 337-346.
      • Sapphire Mountains Area
[Thortveitite] Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
  • New Jersey
    • Sussex Co.
      • Franklin mining district
        • Ogdensburg
[Thortveitite] Dunn, Pete J. (1995)
          • Sterling Hill
[Thortveitite] Dunn, P.J. & Frondel, C. (1990): Mineralogical Record: 21: 425-427; Dunn, Pete J. (1995): Franklin and Sterling Hill New Jersey: the world’s most magnificent mineral deposits, part 3: 421.
The Moon
 
  • Taurus-Littrow Valley
[Keiviite-(Y)] Carpenter P., Edmunson J., Cohen B.A., Zeigler R.A., and Jolliff B.L. (2011) FIRST LUNAR OCCURRENCE OF KEIVIITE-(Y) IN TROCTOLITIC ANORTHOSITE 76335, - 42nd Lunar and Planetary Science Conference
Mineral and/or Locality  
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