| |
|
Afghanistan | |
- Khanneshin complex (Khanneshin carbonatite complex)
| Vikhter et al. (1976) +2 other references |
| [var: Uranpyrochlore (of Hogarth 1977)] Orris et al. (2002) |
|
Algeria | |
| Oulebsir et al. (2021) |
|
Angola | |
| Gomes (Angola) +3 other references |
| Campeny et al. (2017) |
| Campeny et al. (2015) +1 other reference |
| Campeny et al. (2017) |
| Campeny et al. (2017) |
| Campeny et al. (2017) |
| [var: Zero valent dominant member of Pyrochlore Group] Lapido-Loureiro +5 other references |
| [Fluornatropyrochlore] Gonçalves +5 other references |
| Castellano Calvo A et al. (2014) |
| [Fluorcalciopyrochlore, Hydropyrochlore, Hydroxycalciopyrochlore, Hydroxykenopyrochlore] Amores-Casals et al. (2019) |
| Eur. J. Mineral. +14 other references |
| Rodrigues +2 other references |
| Gonçalves et al. (2019) |
| Gonçalves et al. (2019) |
| Lapido-Loureiro +3 other references |
|
Antarctica | |
| Harris et al. (1993) |
|
Argentina | |
| Fernando Colombo et al. (2010) |
| COLOMBO +2 other references |
| Colombo et al. (2006) |
| Zappettini |
| [var: Uranpyrochlore (of Hogarth 1977), Hydroxycalciopyrochlore] Bardelli et al. (2018) |
| |
| Galliski et al. (2009) +1 other reference |
| Roquet et al. (2011) |
- Santiago del Estero Province
| [Fluorstrontiopyrochlore, Strontiopyrochlore (of Hogarth 1977)] Franchini et al. (2005) |
|
Atlantic Ocean | |
| Cornen (1982) +3 other references |
|
Australia | |
- Harts Range (Harts Ranges; Hartz Range; Hartz Ranges)
| Drake-Brockman (1995) |
| Pavel M. Kartashov analythical data of ... |
| Elliott et al. (2025) |
| McGee (2005) |
| Taheri |
- Bridgetown-Greenbushes Shire
| Jacobson et al. (2007) |
| Jacobson et al. (2007) |
| Dröllner et al. (2025) |
| The Simpson Mineral Collection of the ... |
| Sun et al. (1986, September) +3 other references |
| [var: Ceriopyrochlore (of Hogarth 1977), Strontiopyrochlore (of Hogarth 1977)] Lottermoser et al. (1988) |
| Pirajno et al. (2014) |
| Pearson et al. (1996) +1 other reference |
| Jacobson et al. (2007) +1 other reference |
| Jacobson et al. (2007) |
| Jacobson et al. (2007) +2 other references |
| Jacobson et al. (2007) +2 other references |
|
Austria | |
- Sankt Veit an der Glan District
| [var: Uranpyrochlore (of Hogarth 1977)] Niedermayr et al. (1995) |
| Exel (1993) |
- Frantschach-Sankt Gertraud
| Niedermayr et al. (1995) |
| Mali (2004) |
| [Unnamed (Sb-analogue of Hydroxymanganopyrochlor)] Kolitsch et al. (2018) |
|
Bolivia | |
| - (from country rock, not the ankerite-sodalite dyke) +2 other references |
| Salomon Rivas and Federico Ahlfeld: Los Minerales de Bolivia y sus Parajes (Santa Cruz, 1998) +2 other references |
|
Brazil | |
| Horbe et al. (1991) +2 other references |
| [var: Plumbopyrochlore (of Skorobogatova et al.), var: Uranpyrochlore (of Hogarth 1977), Hydropyrochlore, Oxynatropyrochlore] Hadlich et al. (2024) |
| Orris et al. (2002) +1 other reference |
| Santos et al. (2018) |
| [var: Zero valent dominant member of Pyrochlore Group] Beurlen et al. (2005) +1 other reference |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Zero valent dominant member of Pyrochlore Group] Orris et al. (2002) |
| [var: Zero valent dominant member of Pyrochlore Group] Orris et al. (2002) +2 other references |
| Romanian Journal of Mineral Deposits (1) +2 other references |
| Orris et al. (2002) |
| Ribeiro et al. (2005) +4 other references |
| [Hydropyrochlore] Daniel Atencio Unpub data |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Zero valent dominant member of Pyrochlore Group] Traversa et al. (2001) +1 other reference |
| Traversa et al. (2001) |
| [Hydroxykenopyrochlore] Nascimento et al. (2019) |
| Carvalho et al. (2022) |
| Barbosa et al. (2020) |
| Orris et al. (2002) +1 other reference |
| Waber (1991) |
| Vlach et al. (2018) |
| Guarino et al. (2021) +1 other reference |
| [var: Zero valent dominant member of Pyrochlore Group] Orris et al. (2002) |
| Premoli et al. (1981) |
| de Melo et al. (2019) |
| [var: Uranpyrochlore (of Hogarth 1977)] Beurlen et al. (2005) |
- Vieirópolis pegmatite field
| e Souza et al. (2020) |
| - (2016) +2 other references |
| Enrich et al. (2005) |
| [var: Uranpyrochlore (of Hogarth 1977)] Beurlen et al. (2005) |
| [var: Uranpyrochlore (of Hogarth 1977)] Beurlen et al. (2005) |
| [var: Uranpyrochlore (of Hogarth 1977)] Robinson et al. (1998) |
| COMIN-CHIARAMONTI et al. (2002) |
| Manfredi (2013) +1 other reference |
| COMIN-CHIARAMONTI et al. (2002) |
| Oliveira et al. (2020) |
| [var: Uranpyrochlore (of Hogarth 1977)] Melcher (1965) +4 other references |
| de Barros Gomes et al. (2017) |
| 33rd International Geological Congress (2008) |
| Orris et al. (2002) |
| Walter et al. (1995) |
| Rojas et al. (2016) |
| Coelho et al. (2025) |
|
Bulgaria | |
| Tarassov et al. (2018) +1 other reference |
|
Burundi | |
| Van den Haute et al. (Burundi) +6 other references |
| Midende et al. (2014) +1 other reference |
|
Cambodia | |
| Amphon et al. (2024) |
| Piilonen et al. (2023) |
|
Cameroon | |
| Lasserre (1966) +3 other references |
| Lasserre (1978) |
| Fosso Tchunte et al. (2018) +1 other reference |
| Cesbron et al. (1988) |
|
Canada | |
| Jennifer Pell (1994) |
| Peatfield (n.d.) |
| Jennifer Pell (1994) +1 other reference |
| Peatfield (n.d.) |
| Peatfield (n.d.) |
| Peatfield (n.d.) |
| Pell (1994) |
| Jones (1955) |
| Mumford (2007) |
| Peatfield (n.d.) |
| Peatfield (n.d.) |
| George J. Simandl (2001) +1 other reference |
| - (n.d.) |
| - (n.d.) |
| George J. Simandl (2001) +2 other references |
| [var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore] Blue River Carbonatites et al. (http://www.commerceresources.com/i/pdf/05-BCGOVRREPORT.pdf) |
| Peatfield (n.d.) |
| Berger et al. (2009) |
| Pell (1994) |
| Jennifer Pell (1994) |
| - (n.d.) |
| - (n.d.) |
| [Strontiopyrochlore (of Hogarth 1977)] Taseko |
- Revelstoke Mining Division
| - (n.d.) |
| [var: Uranpyrochlore (of Hogarth 1977)] Masau et al. (2002) |
| Bannatyne (1985) |
| Bannatyne (1985) |
| Martin et al. (1988) |
- Newfoundland and Labrador
| Nickel et al. (1964) |
| GSC database locality No. 4100 +1 other reference |
| [Hydroxycalciopyrochlore] Cámara et al. (2013) |
| A. Kerr (2010) |
| Pohlner et al. (2020) |
| Malay et al. (2026) |
- Blachford Lake alkaline complex
| Sheard et al. (2012) |
| Dai (1995) |
- Blachford Lake alkaline complex
- Thor Lake syenite complex
| [Fluornatropyrochlore] Pinckston et al. (1995) +1 other reference |
| [var: Yttropyrochlore (of Hogarth 1977)] Ercit et al. (2003) |
| Ercit et al. (2003) |
| Ersay (2020) +1 other reference |
| Sage (1988) |
| [var: Uranpyrochlore (of Hogarth 1977)] Grice (1989) |
| SAGE (1981) |
- Unorganized North Cochrane District
| Berger et al. (2009) |
| Sabina (1991) |
| Sabina (1991) |
| Sabina (1986) |
| [var: Uranpyrochlore (of Hogarth 1977)] www.geologyontario.mndm.gov.on.ca (n.d.) |
| Sabina (1986) |
| [Hydroxycalciopyrochlore] Hogarth (1961) |
| Ontario MDI Number: MDI31F04SW00036 +2 other references |
| Chris Emproto +3 other references |
- Hastings Highlands Municipality
| [var: Uranpyrochlore (of Hogarth 1977)] Betts (n.d.) |
| [var: Uranpyrochlore (of Hogarth 1977)] www.geologyontario.mndm.gov.on.ca (n.d.) |
| [var: Uranpyrochlore (of Hogarth 1977)] Hewitt D.F. (1954) +1 other reference |
| Ercit (1994) |
| [var: Uranpyrochlore (of Hogarth 1977), Hydroxycalciopyrochlore] American Mineralogist 27:226 +3 other references |
| [var: Uranpyrochlore (of Hogarth 1977)] www.geologyontario.mndm.gov.on.ca (n.d.) |
| [var: Uranpyrochlore (of Hogarth 1977)] www.geologyontario.mndm.gov.on.ca (n.d.) |
| [var: Uranpyrochlore (of Hogarth 1977)] Sabina (1986) +1 other reference |
| SAGE (1983) |
| [var: Yttropyrochlore (of Hogarth 1977)] Tindle et al. (1998) |
| Currie (1976) |
| [var: Yttropyrochlore (of Hogarth 1977), Oxyyttropyrochlore-(Y)] Avalon Advanced Materials Inc. |
| MDI Number: MDI31E11NE00070 |
| Ercit (1994) |
| Ercit (1994) |
| Sabina (2007) +1 other reference |
| Heinrich (1962) |
| [var: Uranpyrochlore (of Hogarth 1977)] Berger et al. (2009) |
| www.geologyontario.mndm.gov.on.ca (n.d.) |
| Stevenson (1954) |
| Sabina (2007) |
- Brudenell-Lyndoch-and-Raglan
| www.ontariominerals.com/berylpit.htm |
- Unorganized North Sudbury District
| R. P. Sage (1988) |
| Berger et al. (2009) |
| Berger et al. (2009) |
| Mitchell (1991) |
| Savard (2019) |
| Mariano et al. (1989) +3 other references |
| Platt & Wooley (1990) |
- Les Lacs-du-Témiscamingue
| Currie et al. (1996) +1 other reference |
| Louise Corriveau (Date Modified: 2008-12-08) |
- Gaspésie-Îles-de-la-Madeleine
| Wallace et al. (1990) |
| Sabina (1983) +3 other references |
| GOLD et al. (1986) |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore, Hydroxykenopyrochlore] Canadian Mineralogist 42 |
| Gold (1969) +1 other reference |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore] Canadian Mineralogist 42 |
| [Fluorcalciopyrochlore] Sabina (1967) +1 other reference |
- La Vallée-du-Richelieu RCM
| [Fluorcalciopyrochlore, Fluornatropyrochlore, Hydroxynatropyrochlore] Henderson et al. (1982) +2 other references |
| 176-178. +2 other references |
| [var: Uranpyrochlore (of Hogarth 1977)] SASSANO et al. (1987) |
| Nadeau et al. (2014) +2 other references |
| Laferrière (2011) |
| Petrella (2013) |
| [Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Hogarth (1961) |
- Les Collines-de-l'Outaouais RCM
| Jeffrey de Fourestier collection |
| Belley et al. (2016) |
| Belley et al. (2016) |
| Hogarth (2016) |
- Saint-Pierre-de-Wakefield
| [var: Yttropyrochlore (of Hogarth 1977)] M et al. (1971) +1 other reference |
| Currie (1976) |
| Kennedy et al. (1981) |
| [Fluorcalciopyrochlore] GROULIER et al. (2014) |
| [Fluornatropyrochlore] Dupuis et al. (2013) |
| Birkett et al. (1992) +4 other references |
|
Cape Verde | |
| |
| Hodgson et al. (1992) +1 other reference |
| Munhá +8 other references |
|
Chile | |
| Welkner +2 other references |
| Alarcón Novoa (2019) |
|
China | |
| Martin et al. (2004) +3 other references |
| Qiang Wang et al. (2003) +1 other reference |
| Yu et al. (2023) |
| National Geological Archives of China ... |
| [var: Ceriopyrochlore (of Hogarth 1977)] Xiaoshi Ding et al. (1981) |
| Wang et al. (2021) |
- Shennongjia Forest District
| Tong Wang and Faming Yan (1989) +3 other references |
| Shi Li (1980) +6 other references |
- Alxa League (Alashan Prefecture)
- Dongqiyishan polymetallic ore field
| Fengjun Nie et al. (2002) |
- Bayan Obo mining district
| [var: Plumbopyrochlore (of Skorobogatova et al.), Fluorcalciopyrochlore, Oxyplumbopyrochlore] F. Pertlik (1997) |
| Shao et al. (2023) |
| Zhang Peishan et al. (1996) +1 other reference |
| Yi-Li et al. (2023) +1 other reference |
| Xie et al. (2026) |
| Sun et al. (2026) |
| Youbin Liang et al. (1981) |
- Tongliao City (Tongliao Prefecture)
- Jarud Banner (Zalute Co.)
| Qiu et al. (2019) +1 other reference |
| [var: Ceriopyrochlore (of Hogarth 1977)] Zhongxin Yuan and Ge Bai (1997) |
| Zhang +4 other references |
| The Editorial Committee of the Mineral deposits in China (eds) +1 other reference |
| Orris et al. (2002) |
- Xilingol League (Xilinguole Prefecture)
- Xilinhot City (Xilinhaote Co.)
| Duan et al. (2024) |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Rucheng Wang et al. (2003) |
| Peng et al. (2025) |
| Chengyu Wu et al. (1995) |
| Ma et al. (2026) |
| [var: Uranpyrochlore (of Hogarth 1977)] - (1978) +2 other references |
| [var: Uranpyrochlore (of Hogarth 1977)] - (1978) +4 other references |
| [var: Aluminobetafite (of Kawai)] T. Kawai (1960) |
- Haixi Mongol and Tibetan Autonomous Prefecture
| [var: Uranpyrochlore (of Hogarth 1977)] Hui et al. (2025) +1 other reference |
| Huang et al. (2024) |
| Huang et al. (2022) |
| [var: Uranpyrochlore (of Hogarth 1977)] National Geological Archives of China ... +2 other references |
| Orris et al. (2002) +2 other references |
| Wang et al. (2000) +2 other references |
| [Fluorcalciopyrochlore, Fluornatropyrochlore, Oxycalciopyrochlore, Oxynatropyrochlore] Fenlian Wang et al. (2012) +1 other reference |
| [Fluorcalciopyrochlore, Fluornatropyrochlore, Oxycalciopyrochlore, Oxynatropyrochlore] Xue et al. (2021) |
| Ge et al. (2017) |
| [Fluornatropyrochlore, Hydroxycalciopyrochlore] Congde Chen and Guangping Pu (1991) +1 other reference |
- Muluozhai REE deposit (Muluo REE deposit)
| Liu et al. (2024) |
| [Oxycalciopyrochlore] Rubo Zhang et al. (2003) |
| Fenlian Wang et al. (2012) |
| Lin et al. (1995) |
| Wenxing Hong and Pinqiu Fu (1981) +1 other reference |
- Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture)
| Fu et al. (2023) |
| [Fluorcalciopyrochlore, Fluorkenopyrochlore, Fluornatropyrochlore, Hydroxycalciopyrochlore] Xie et al. (2024) |
| Fuwen et al. (2002) +1 other reference |
| Bai et al. (1985) |
| He et al. (2025) |
| Tang (2005) |
- Bayin'gholin Autonomous Prefecture
- Lopnur Co. (Yuli Co.; Weili Co.)
| Tang (2005) |
- Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture)
- Bachu Co. (Maralbexi Co.; Maralbeshi Co.)
| Bai (1985) +4 other references |
| Tang (2005) |
- Kezilesu Autonomous Prefecture (Kizilsu Autonomous Prefecture; Qizilsu Autonomous Prefecture)
- Atushi Co. (Artux Co.; Atux Co.; Atush Co.)
| Liu et al. (2026) |
| Orris et al. (2002) |
| Ziying Gao et al. (1991) +1 other reference |
| Qiu et al. (2004) +1 other reference |
| Qiu et al. (2004) +1 other reference |
|
Colombia | |
| González-Durán et al. (2019) |
|
Czech Republic | |
| Rezek et al. (1985) +1 other reference |
- Moldanubian Zone pegmatites
| Novák et al. (2013) +1 other reference |
| Tvrdý et al. (2021) +1 other reference |
| Bernard J. H. et al. (1981) +1 other reference |
| [Oxycalciopyrochlore, Oxynatropyrochlore] Jirasek et al. (2026) |
| [var: Uranpyrochlore (of Hogarth 1977)] Pauliš P. et al. (Kutna Hora, issue 1) |
| [Fluorcalciopyrochlore] Matýsek et al. (2025) |
| [Fluorkenopyrochlore] Matýsek et al. (2025) |
| [Fluorcalciopyrochlore, Hydroxycalciopyrochlore, Oxycalciopyrochlore] Matýsek et al. (2025) |
| Novak et al. (2010) +2 other references |
| [var: Plumbopyrochlore (of Skorobogatova et al.), var: Uranpyrochlore (of Hogarth 1977)] Novák +1 other reference |
| [Hydroxycalciopyrochlore] Radková et al. (2021) |
| [var: Uranpyrochlore (of Hogarth 1977), var: Yttropyrochlore (of Hogarth 1977)] Pauliš P. et al. (Kutna Hora, issue 1) +1 other reference |
| [var: Uranpyrochlore (of Hogarth 1977), var: Yttropyrochlore (of Hogarth 1977)] Škoda et al. (2004) |
| Kopecký et al. (1970) +1 other reference |
| Breiter et al. (2024) |
| [var: Yttropyrochlore (of Hogarth 1977)] Škoda |
- Žďár nad Sázavou District
| Novák +7 other references |
| Flégr et al. (2017) |
| [Oxycalciopyrochlore] Černý et al. (1979) +1 other reference |
|
DR Congo | |
| [var: Zero valent dominant member of Pyrochlore Group] Mineral. Deposita (Berl.) +6 other references |
| Knut Edvard Larsen collection # MM-5382 |
| Denaeyer (1958) +5 other references |
| [var: Zero valent dominant member of Pyrochlore Group, Hydropyrochlore] Van Wambeke (1965) +1 other reference |
|
Egypt | |
| Abdalla (2006) |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Mohamed (2013) |
| Abdalla (2006) |
| Mahmoud et al. (2018) |
| Abdalla (2006) |
| Fathy et al. (2025) |
| [var: Uranpyrochlore (of Hogarth 1977)] Abd El-Naby (2008) +1 other reference |
| Fathy et al. (2025) |
| [var: Uranpyrochlore (of Hogarth 1977)] Helmy |
| El Ramly +4 other references |
| Ismail (2017) |
| [var: Uranpyrochlore (of Hogarth 1977)] Ali et al. (2021) |
| Shalan (2021) |
| [var: Uranpyrochlore (of Hogarth 1977)] Raslan et al. (2011) |
| Sabet +3 other references |
| Elsagheer et al. (2025) |
| 52 (2) +1 other reference |
|
Ethiopia | |
| Pavel M. Kartashov (n.d.) |
|
Finland | |
| Ilkka Mikkola data |
| Ilkka Mikkola collection +1 other reference |
| Lahti Seppo I. 2011. Kotkan ... |
| Nygård (1999) |
| [var: Uranpyrochlore (of Hogarth 1977)] Vartiainen et al. (1976) +22 other references |
| Al-Ani et al. (2018) |
| Ani et al. (2013) |
| Al Ani and Torppa Akseli 2011. REE-Nb ... |
| Yara International |
| Al-Ani et al. (2018) |
| Al-Ani |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Yttropyrochlore (of Hogarth 1977), Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Pavel M. Kartashov analytical data 2019 |
| Niskanen (2014) |
|
France | |
| [var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore] Wang et al. (1994) |
| R. Pierrot |
| [var: Uranpyrochlore (of Hogarth 1977)] a possible case of evolution through volatile transfer. Bulletin de la Société Géologique de France (5) +4 other references |
- Arrondissement of Saint-Laurent-du-Maroni
| Bull. Soc. Franç. Minéralo. ... |
- Tuamotu-Gambier (Tuamotu and Gambier Islands)
- Tuamotu Archipelago (Tuamotus)
| Bardintzeff et al. (1986) +6 other references |
| Wagner et al. (1988) |
| [var: Uranpyrochlore (of Hogarth 1977)] Eugene Foord |
| |
| Belot (1978) |
- La Jonchère-Saint-Maurice
| Belot (1978) |
| Azambre et al. (1992) |
| [var: Plumbopyrochlore (of Skorobogatova et al.), var: Uranpyrochlore (of Hogarth 1977)] MONCHOUX P. et al. (2006) |
| [Fluornatropyrochlore] JV COUREAU collection - Georges FAVREAU ... |
|
Gabon | |
| Laval et al. (1988) |
|
Germany | |
| [var: Uranpyrochlore (of Hogarth 1977)] Weiß (1990) |
| omnibus.uni-freiburg.de (n.d.) +1 other reference |
| [Oxycalciopyrochlore] Rammelsberg (1871) |
| Walter et al. (2018) |
| Walter et al. (2018) |
| [var: Ceriopyrochlore (of Hogarth 1977), Fluorcalciopyrochlore] Walter et al. (2018) |
| Walenta (1992) |
| Lippolt et al. (1976) +9 other references |
| Stähle et al. (2002) |
| Weiß (1990) |
- Neustadt an der Waldnaab District
| Dill (2009) |
| [var: Uranpyrochlore (of Hogarth 1977)] Keck (1989) |
| [Hydroxycalciopyrochlore] Belendorff (2021) |
| |
| |
| Vieten (1965) |
| Hubard +1 other reference |
| Hentschel (1983) +1 other reference |
| Hentschel (1987) |
| Hentschel (1983) |
| Weiß (1990) |
| [var: Calciobetafite (of Mazzi & Munno), var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore, Fluornatropyrochlore, Hydroxycalciopyrochlore, Hydroxymanganopyrochlore, Oxycalciopyrochlore] Hentschel (1987) |
| [var: Uranpyrochlore (of Hogarth 1977)] Viereck |
| [var: Calciobetafite (of Mazzi & Munno), var: Uranpyrochlore (of Hogarth 1977)] Hentschel (1987) |
| [var: Uranpyrochlore (of Hogarth 1977)] Hubard +1 other reference |
| [Fluornatropyrochlore] in the collection of Christof Schäfer |
| [var: Calciobetafite (of Mazzi & Munno), var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore] Hentschel (1987) |
| [var: Calciobetafite (of Mazzi & Munno)] Lapis (5) +1 other reference |
| Hentschel (1989) |
| Hentschel (1983) |
| Hentschel (1989) |
| Hentschel (1993) |
- Rockeskyll volcanic complex
| [Oxycalciopyrochlore] Haardt |
| Hohn et al. (2015) |
| Wand et al. (1989) +7 other references |
| www.smul.sachsen.de (n.d.) |
|
Greenland | |
| [Fluorcalciopyrochlore, Hydroxycalciopyrochlore] Bonazzi (2006) |
| |
| McCreath et al. (2013) |
| Rooks et al. (2026) |
| Finch et al. (2001) |
| [var: Ceriopyrochlore (of Hogarth 1977)] Semenov (2001) |
| Soerensen (1962) |
| Semenov et al. (1965) +1 other reference |
| Petersen et al. (2002) |
| Grice et al. (2017) |
| found by Frank de Wit 2008 |
| Sørensen (1962) +1 other reference |
- Northeast Greenland National Park
| Brooks et al. (1982, June) +1 other reference |
- Isortoq Fjord (Søndre Isortoq)
| Petersen et al. (1984) +1 other reference |
| Hudson Resources Inc. |
| [var: Uranpyrochlore (of Hogarth 1977), var: Zero valent dominant member of Pyrochlore Group, Oxynatropyrochlore] USGS Open-File Report 02–156–A +1 other reference |
| - (n.d.) |
| Bedford +1 other reference |
| Distribution and mineralogy of rare earth element–Zr–Nb–Ta mineralisation within pegmatite sheets at Citadellet et al. (Trans. Inst. Min. Metall. B) |
| Tappe et al. (2009) |
|
Guinea | |
| Gerasimovskii et al. (Guinea) +17 other references |
| Lacroix (1931) |
| Moreau et al. (1996) +2 other references |
|
Hungary | |
| [Fluornatropyrochlore] collector: Csaba Papp |
| [Fluornatropyrochlore] www.geomania.hu +1 other reference |
| Zajzon et al. (2015) |
|
Iceland | |
| Jørgensen (1980) +1 other reference |
|
India | |
| Bhattacharjee et al. (2026) |
- East Karbi Anglong District
| S. Nag et al. (1999) |
| Kumar et al. (1989) +1 other reference |
| [Fluorcalciopyrochlore] Deans et al. (1972) +13 other references |
| Sukheswala et al. (1971) +4 other references |
| Sukheswala et al. (1975) +6 other references |
| Czygan et al. (Sukheswala Volume) +3 other references |
| Dessai et al. (1990) +3 other references |
- East Khasi Hills District
| Krishnamurthy (1985) +3 other references |
| Sheikh et al. (2015) |
| Bhushan (2015) +1 other reference |
| Doroshkevich et al. (2009) +4 other references |
| Ackerman et al. (2017) |
| Mahapatro et al. (2023) |
| Burtseva et al. (2013) +1 other reference |
| Randive et al. (2020) |
| Ramasamy et al. (2013) |
| Chakrabarty et al. (2012) +1 other reference |
|
Indian Plate | |
| Singh et al. (1991) |
|
Ireland | |
| Luecke (1981) |
|
Israel | |
| [Oxycalciopyrochlore] Galuskina et al. (2026) |
|
Italy | |
- Metropolitan City of Naples
| Fedele L. et al. (2006) |
| [Fluorcalciopyrochlore] Russo et al. (2004) +1 other reference |
| Gruppo Mineralogico Geologico ... |
| [var: Calciobetafite (of Mazzi & Munno)] Mazzi et al. (1983) +1 other reference |
| [var: Uranpyrochlore (of Hogarth 1977)] Fedele L. et al. (2006) |
| [Lapis 1994:5 p.13-23 |
| Di Vito et al. (1987) +21 other references |
| Russo (2010) |
| Russo et al. (2004) |
| Panikorovskii et al. (2017) |
- Metropolitan City of Rome Capital
| [var: Uranpyrochlore (of Hogarth 1977)] Caponera et al. (2007) |
| Gianfagna et al. (1988) |
| Giuseppe Illuminati Collection |
| [var: Uranpyrochlore (of Hogarth 1977)] - (n.d.) +2 other references |
| [var: Calciobetafite (of Mazzi & Munno)] Della Ventura et al. (2004) |
| Antonio Borrelli collection |
| Burli et al. (1988) |
| Cámara et al. (2012) |
| Begini (2021) +1 other reference |
| Dario Di Domenico collection |
| Caprilli (2000) |
| [var: Calciobetafite (of Mazzi & Munno), var: Uranpyrochlore (of Hogarth 1977)] |
| Bortolozzi (n.d.) |
| [var: Calciobetafite (of Mazzi & Munno)] Knut Edvard Larsen collection (Collected by Rossini Carlo in 2001, analyzed by Prof. Caprilli in 2004) |
| [var: Calciobetafite (of Mazzi & Munno)] glommaguiden.com (n.d.) +3 other references |
- Monte Foppa (north slope)
- Forcel Rosso Gully (Forcel Rosso Pass)
| [var: Stibiopyrochlore (of Pezzotta et al.)] Pezzotta +2 other references |
| [Hydroxycalciopyrochlore] Marchesini et al. (2025) |
| [var: Uranpyrochlore (of Hogarth 1977)] - (n.d.) |
| Ghizzoni et al. (2005) |
- Metropolitan City of Turin
| [var: Yttropyrochlore (of Hogarth 1977)] Ambrino et al. (2009) |
- Verbano-Cusio-Ossola Province
| Sergio Varvello collection |
| Guastoni et al. (2019) |
| Vittorio Mattioli (1976) |
| [var: Calciobetafite (of Mazzi & Munno)] Orlandi (1997) +2 other references |
| Fabris et al. (2014) |
|
Japan | |
| Nagashima et al. (1960) +1 other reference |
| [Oxycalciopyrochlore] Matsubara et al. (2013) |
|
Kazakhstan | |
- Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
| Pekov (1998) |
| Kogarko et al. (1995) |
| Shen et al. (2025) |
| Oitseva et al. (2017) |
| geo.web.ru (2007) |
| Suiekpayev et al. (2019) |
|
Kenya | |
| RIDOLFI et al. (2006) |
| USGS Open-File Report 02–156–A +5 other references |
| Deines et al. (1973) +5 other references |
| Deans et al. (1978) |
| USGS Open-File Report 02–156–A +1 other reference |
| Sutherland (1969) |
| Deines et al. (1973) +3 other references |
| Barber (1974) +4 other references |
| Deans et al. (1984) +2 other references |
| [var: Zero valent dominant member of Pyrochlore Group] Caswell et al. (1953) +7 other references |
|
Kyrgyzstan | |
| Vrublevskii (2017, December) |
| Djenchuraeva et al. (2008) |
| Soloviev (2011) |
|
Libya | |
| Conticelli +1 other reference |
|
Madagascar | |
| [Hydrokenopyrochlore] Hålenius et al. (2017) +4 other references |
| [var: Uranpyrochlore (of Hogarth 1977), Zero valent dominant member of Pyrochlore Group var: Samiresite] Behier (1963) |
| [Fluorcalciopyrochlore] Lacroix (1922) +3 other references |
| [var: Yttropyrochlore (of Hogarth 1977), Fluorcalciopyrochlore, Fluornatropyrochlore] Ganzeev et al. (2003) |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Hatzl (2010) |
| Harmer et al. (2016) |
| Lacroix (1922) +2 other references |
| Behier (1963) |
| Behier (1960) |
| [var: Uranpyrochlore (of Hogarth 1977)] Lacroix (1908) |
| Knut Edvard Larsen observation on the ... |
| [var: Uranpyrochlore (of Hogarth 1977)] Knut Edvard Larsen collection (XRD, metamict + SEM identified) |
| [var: Uranpyrochlore (of Hogarth 1977)] RRUFF specimen R060165 |
| De Vito et al. (2006) |
- Tetezantsio-Andoabatokely Pegmatite Field
| [Cesiokenopyrochlore] Mineralogical Magazine +2 other references |
| [var: Uranpyrochlore (of Hogarth 1977), Zero valent dominant member of Pyrochlore Group var: Samiresite] Lacroix (1922) |
| [var: Uranpyrochlore (of Hogarth 1977), Zero valent dominant member of Pyrochlore Group var: Samiresite] Ranorosoa (1986) |
|
Malawi | |
| Bloomfield (1965) +1 other reference |
| [var: Uranpyrochlore (of Hogarth 1977)] Woolley et al. (1996) +8 other references |
| RAY (1974) +2 other references |
| Bloomfield (1965) +3 other references |
| Garson +6 other references |
| Bloomfield (1965) +5 other references |
| Mkango Resources |
| Garson +1 other reference |
| Garson et al. (1969) |
| Garson (1963) +1 other reference |
| Mkango Resources |
| Garson (1962) +6 other references |
| Bloomfield (Compiler) +13 other references |
| Petersen et al. (1994) +4 other references |
| Garson (1960) +1 other reference |
| Garson et al. (1958) +7 other references |
|
Mali | |
| Black et al. (1979) +2 other references |
| Sauvage et al. (1985) +1 other reference |
| Sauvage et al. (1985) +2 other references |
| Sauvage et al. (1985) +2 other references |
|
Mauritania | |
| Blanc +5 other references |
| Un Processus Alcalin Péri-Atlantiqu. ... +1 other reference |
|
Mexico | |
| Mitchell et al. (2025) |
|
Mongolia | |
| Dostal et al. (2022) |
| Kynický et al. (2005) |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Plumbopyrochlore (of Skorobogatova et al.), var: Yttropyrochlore (of Hogarth 1977), Fluorkenopyrochlore, Fluornatropyrochlore, Hydroxyplumbopyrochlore, Strontiopyrochlore (of Hogarth 1977)] Pavel M. Kartashov (n.d.) |
| Kovalenko et al. (1995) +7 other references |
| [var: Ceriopyrochlore (of Hogarth 1977)] Pavel M. Kartashov (n.d.) |
| [var: Ceriopyrochlore (of Hogarth 1977)] Pavel M. Kartashov (n.d.) |
| Gerel +1 other reference |
| Dostal et al. (2022) |
| Dostal et al. (2022) +1 other reference |
| web.archive.org (n.d.) |
| Dostal et al. (2022) |
|
Morocco | |
- Dakhla-Oued Ed-Dahab Region
- Ouled Dlim Massif (Adrar Souttouf)
| [var: Ceriopyrochlore (of Hogarth 1977)] Benaouda et al. (2017) +1 other reference |
| Malainine et al. (2025) |
| [Fluorcalciopyrochlore] De Ascenção Guedes (2023) |
| Khadem Allah (1993) +1 other reference |
| Jeremine et al. (1947) +9 other references |
| Berger et al. (2009) |
| Cherotzky +6 other references |
| Journal of Petrology |
|
Mozambique | |
| Lulin et al. (1985) +2 other references |
| Cílek (1989) |
| Vail +3 other references |
| Carvalho (Tete, Moçambique) +2 other references |
| Wilson et al. (2000) |
| Wilson et al. (2000) |
| Coelho (1959) +1 other reference |
| Moiana (2010) |
|
Myanmar | |
| [var: Zero valent dominant member of Pyrochlore Group, Oxycalciopyrochlore, Oxycalciopyrochlore var: Titan-uranoan Oxycalciopyrochlore] Pavel M. Kartashov analytical data (2010) |
- Khetchel village (Cache village; Khat Che village)
| [var: Uranpyrochlore (of Hogarth 1977)] Pavel M. Kartashov analytical data 2018 |
|
Namibia | |
| [var: Uranpyrochlore (of Hogarth 1977)] Chen et al. (2025) |
| [var: Uranpyrochlore (of Hogarth 1977)] Chudoba (1930) +7 other references |
| [Fluorkenopyrochlore] Schmitt et al. (2002) +1 other reference |
| Blancher (2008) |
| KOLLER et al. (2013) +1 other reference |
| Koller F et al. (2014) |
| Unger et al. (2018) |
| Thompson et al. (2002) +1 other reference |
| Bodeving (2015) +1 other reference |
| Prins +7 other references |
| Orris et al. (2002) |
| [var: Calciobetafite (of Mazzi & Munno)] Lohmeier et al. (2023) |
| Verwoerd (1967) +1 other reference |
| Orris et al. (2002) |
| Jour Pet 39:2123-2136. +7 other references |
| Walter et al. (2022) |
| Walter et al. (2022) |
|
New Zealand | |
| Collection of Rod Martin |
|
Niger | |
| consequences. Bulletin de la Société géologique de France (6) +4 other references |
| Woolley (2001) |
|
Nigeria | |
| Bennett et al. (1984) +1 other reference |
| Kinnaird et al. (1985) |
| Am Min 51:299-323 |
| Kamaunji et al. (2026) |
| Woolley (2001) |
| Bailey (1980) |
| Turner +1 other reference |
|
North Korea | |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Plumbopyrochlore (of Skorobogatova et al.)] Pavel M. Kartashov (n.d.) |
| INOUE et al. (1951) +3 other references |
|
Norway | |
| [var: Uranpyrochlore (of Hogarth 1977)] Hawthorne et al. (1991) |
| [var: Yttropyrochlore (of Hogarth 1977)] Pavel M. Kartashov analytical data (2011) |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Plumbopyrochlore (of Skorobogatova et al.), Fluornatropyrochlore] Raade (2009) +1 other reference |
| Werner (2003) |
| Werner (2003) |
| Werner (2003) |
| Kvamsdal (1993) |
| Kvamsdal (2018) |
| Bonin et al. (2003) |
| Jahren et al. (1998) |
| Larsen et al. (2010) |
| - (n.d.) |
| Neumann et al. (1966) +1 other reference |
| Grauch et al. (1994) |
| Husdal (2011) |
| Oftedal et al. (1965) |
| Kvamsdal (2018) |
| Raade (1972) |
| Brøgger (1906) |
| Brøgger (1883) |
| [var: Plumbopyrochlore (of Skorobogatova et al.), var: Yttropyrochlore (of Hogarth 1977)] Pršek et al. (2010) |
| [Hydroxycalciopyrochlore] Larsen (2025) |
| [var: Yttropyrochlore (of Hogarth 1977)] Bergstøl et al. (1988) +2 other references |
| |
| [var: Uranpyrochlore (of Hogarth 1977)] Sørum (1955) +2 other references |
| Sæther (1957) +1 other reference |
| [var: Uranpyrochlore (of Hogarth 1977)] Vokes (1960) +1 other reference |
| Sæther (1957) +1 other reference |
| Dahlgren (2005) |
| Adamson (1950) |
| Knut Edvard Larsen collection # 2154 |
| Piilonen et al. (2013) |
| Larsen et al. (2005) |
| Andresen et al. (2020) |
| [Oxycalciopyrochlore] Segalstad et al. (1978) |
| - (n.d.) |
| Knut Edvard Larsen observation and ... |
| Berge (n.d.) |
| Piilonen et al. (2013) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Brøgger (1890) |
| Larsen et al. (1976) |
| Grice et al. (2013) |
| Grice et al. (2013) |
| Larsen (1988) |
| Scheerer (1843) |
| Berge (n.d.) |
| Berge (n.d.) |
| Weibye (1848) |
| Berge (n.d.) |
| |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Andersen et al. (2010) |
| Larsen (1993) |
| Sturt et al. (1967) |
| Sturt et al. (1965) |
| Sturt et al. (1967) |
| Sturt (1961) +23 other references |
| [var: Uranpyrochlore (of Hogarth 1977)] Størseth (2019) |
| Andersen (2017) |
| Andersen (2017) |
- Arøyskjærene (Arøy skerries)
| Knut Edvard Larsen |
| Knut Edvard Larsen collection # MM-5844 |
| Andersen et al. (2010) |
| Knut Edvard Larsen observation in field ... |
| Piilonen et al. (2013) |
| Knut Edvard Larsen observation & ... |
| - (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Andersen et al. (1996) +1 other reference |
| Larsen et al. (2010) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Knut Edvard Larsen observation in field ... |
| |
| [Fluorcalciopyrochlore] Piilonen et al. (2013) |
| Larsen et al. (2009) |
| Sæbø (1966) |
| Knut Edvard Larsen collection # MM-1134 |
| Berge (n.d.) |
| Andersen (1993) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Berge (n.d.) |
| Knut Edvard Larsen collection (Micro # 2144) |
| Knut Edvard Larsen collection # MM-5156 |
| Knut Edvard Larsen observation on ... |
| Nordrum (2007) |
| Norges Geologiske Undersøkelse (NGU) |
| Knut Edvard Larsen collection # MM-4602 |
| Neumann (1985) |
| Berge (n.d.) |
| |
| Brøgger (1890) |
| Wöhler (1826) |
| Larsen (2006) |
| Berge (n.d.) |
| Piilonen et al. (2013) |
| Peter Andresen collection +1 other reference |
| Larsen et al. (2010) +1 other reference |
| Field observations and/or collected by ... |
| Knut Edvard Larsen observation in field ... |
| Wöhler (1826) +2 other references |
| Scheerer (1843) +1 other reference |
| Knut Edvard Larsen collection # MM-7607 |
| Knut Edvard Larsen observation in field ... |
| Larsen et al. (2010) |
| Piilonen et al. (2013) |
| Larsen (2018) |
| Andresen et al. (2018) |
| Andersen (1924) +1 other reference |
| Knut Edvard Larsen observation in field ... |
| Brøgger (1890) |
| Andersen (1924) |
| Knut Edvard Larsen observation in field ... |
| Larsen (2017) |
| Larsen (2017) |
| Larsen (2017) |
| Nordrum (2011) |
| Larsen (2023) |
| Weibye (1848) |
| Knut Edvard Larsen and observation ... |
| Larsen (1978) |
| Knut Edvard Larsen observation in field ... +1 other reference |
| Brøgger (1890) |
| Segalstad et al. (1978) |
| Larsen (1979) |
| Berge (n.d.) |
| Berge (n.d.) |
| Knut Edvard Larsen collection # MM-1743 |
| Nordrum (2001) +2 other references |
| Knut Edvard Larsen collection # MM-2002 |
| Åsheim (1988) +2 other references |
| Berge (n.d.) +1 other reference |
| Knut Edvard Larsen observation in field ... |
| Åsheim (1988) +2 other references |
| Berge (1991) |
| Raade (1971) |
| Nordrum (2004) |
| Piilonen et al. (2013) |
| Berge (1993) +1 other reference |
| Larsen (2015) |
| Larsen et al. (2010) |
| Collection of Peter Andresen. |
| Berge (1993) +1 other reference |
| Larsen et al. (2010) |
| Knut Edvard Larsen collection # MM- ... +1 other reference |
| Berge (n.d.) |
| Berge (n.d.) |
| Knut Edvard Larsen observation and ... +1 other reference |
| Larsen et al. (1992) +1 other reference |
| Larsen et al. (2010) |
| Bellezza et al. (2004) |
| Segalstad et al. (1978) |
| Larsen et al. (2012) |
| Berge et al. (1975) +1 other reference |
| Knut Edvard Larsen observation in field ... |
| Knut Edvard Larsen observation in field ... |
| Berge (n.d.) |
| Berge et al. (2002) |
| Frode Andersen collection |
| Berge (n.d.) |
| Knut Edvard Larsen collection aug. 2012 |
| Berge (n.d.) |
| Berge (n.d.) |
| Knut Edvard Larsen Obersvation and ... |
| Knut Edvard Larsen collection # 316 |
| Knut Edvard Larsen ... |
| Knut Edvard Larsen (2023) |
| Larsen et al. (2013) |
| Nordrum (2005) |
| Berge (2013) |
| Knut Edvard Larsen collection # MM-239 |
| Berge et al. (1980) |
| Knut Edvard Larsen collection # 3170 |
| Piilonen et al. (2013) |
| Knut Edvard Larsen observation in field ... |
| Knut Edvard Larsen (2023) |
| Åsheim et al. (2008) |
| Berge et al. (1976) +1 other reference |
| Berge (n.d.) |
| Berge (n.d.) |
| Raade et al. (1980) |
|
Pakistan | |
| Blauwet et al. (2004) |
| imported from Rondu District +1 other reference |
- Khyber Pakhtunkhwa Province
| Jan et al. (1981) +3 other references |
| Le Bas et al. (1987) +1 other reference |
| Khattak |
|
Paraguay | |
| Comin-Chiaramonti et al. (2016) |
| [var: Plumbopyrochlore (of Skorobogatova et al.), var: Uranpyrochlore (of Hogarth 1977)] Woolley (1987) +1 other reference |
|
Poland | |
- Lower Silesian Voivodeship
| [var: Uranpyrochlore (of Hogarth 1977)] Łodziński M. & Pieczka A. (2008) |
| [var: Uranpyrochlore (of Hogarth 1977)] PIECZKA et al. 2010: Nb-Ta minerals in ... |
| [Hydropyrochlore] Pieczka et al. (2018) |
| Pieczka et al. (2012) |
| Matyszczak (2018) |
| Matyszczak (2018) |
| Kozłowski et al. (2016) |
| Matyszczak (2018) |
| [Hydropyrochlore] Zelek-Pogudz et al. (2026) |
| Pieczka (2000) +3 other references |
| Pieczka et al. (2001) |
|
Portugal | |
| Abdel-Monem et al. (1975) +11 other references |
| [Fluorcalciopyrochlore, Fluornatropyrochlore] Osann (1888) |
| [Fluornatropyrochlore] - (n.d.) |
| Ternes (1999) |
| [Fluornatropyrochlore] Cámara et al. (2017) |
| [Fluornatropyrochlore] Alves (n.d.) |
| Serge Lavarde Collection |
| Dias et al. (2009) |
| Czygan +8 other references |
| [Hydroxynatropyrochlore] Alves (n.d.) |
|
Romania | |
| [var: Calciobetafite (of Mazzi & Munno), var: Zero valent dominant member of Pyrochlore Group] Hirtopanu (2006) |
| [var: Uranpyrochlore (of Hogarth 1977)] Szakáll et al. (2010) |
| Hirtopanu et al. (2000) |
| Szakáll et al. (2010) |
| Hirtopanu et al. (2013) |
| [var: Uranpyrochlore (of Hogarth 1977), var: Yttropyrochlore (of Hogarth 1977), Hydroxycalciopyrochlore, Oxycalciopyrochlore, Oxyyttropyrochlore-(Y)] HÎRTOPANU et al. (2014) |
| Săbău (2010) |
|
Russia | |
| Seltmann et al. (2010) +1 other reference |
| Bulnaev (2001) +1 other reference |
| Pavel M. Kartashov analytical data of ... |
| [var: Zero valent dominant member of Pyrochlore Group] Ganzeev et al. (1969) +3 other references |
- Severo-Baykalsky District
| Spiridonov et al. (2018) |
| Am Min 90:1402-1412 (deposit item) |
- Dolgiye Mosty reserve-guard station
| Pekov (1998) |
| [Hydroxycalciopyrochlore, Hydroxynatropyrochlore, Oxycalciopyrochlore, Oxynatropyrochlore] Makagonov et al. (2017) |
| Cherednichenko (2023) |
| webmineral.ru (n.d.) |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Galina Gubko (2009) |
| |
| [Fluorcalciopyrochlore, Hydroxycalciopyrochlore] [MinRec 24:224 |
| [var: Uranpyrochlore (of Hogarth 1977)] Nedosekova (2007) +1 other reference |
| Pekov et al. (2013) |
| [Fluorcalciopyrochlore, Oxycalciopyrochlore] John Montgomery collection +1 other reference |
| Pekov (1998) |
| [Fluorcalciopyrochlore] Попова et al. (2019) |
| [Fluorcalciopyrochlore, Hydroxycalciopyrochlore] webmineral.ru (2016) |
| Попова et al. (2019) |
| Nishanbaev et al. (2016) |
| Pavel M. Kartashov (n.d.) |
| Попова et al. (2019) |
- Chukotka Autonomous Okrug
- Chukchi Peninsula (Chukotka Peninsula; Chukotski Peninsula)
| Alekseev (2025) |
| Alekseev (2025) +1 other reference |
| [var: Uranpyrochlore (of Hogarth 1977)] Seltmann et al. (2010) |
| Seltmann et al. (2010) |
| Andreeva et al. (2006) +3 other references |
| Savel’eva et al. (2008) |
| Stifeeva et al. (2023) |
| Prokopyev et al. (2024) |
- Biraya and Bya Rivers confluence area (Chara Basin)
| Koneva A.A. et al. (2010) |
| Seltmann et al. (2010) |
| Rasskazov et al. (2007) |
| Ras et al. (2011) +1 other reference |
| Nedosekova et al. (2021) |
| Mordberg et al. (2001) |
- Verkhne-Shugorskoe bauxite deposit
| Udoratina et al. (2024) |
- Chadobets alkaline complex
| [var: Ceriopyrochlore (of Hogarth 1977), Fluorcalciopyrochlore, Hydropyrochlore, Hydroxykenopyrochlore, Hydroxyplumbopyrochlore, Oxycalciopyrochlore] Seltmann et al. (2010) |
| [Strontiopyrochlore (of Hogarth 1977)] Re-entry of old data |
| Kalyago et al. (1990) |
| [Fluorcalciopyrochlore, Hydroxykenopyrochlore] Pavel |
| Gordienko et al. (2016) |
- Maimecha and Kotui Rivers Basin
| Seltmann et al. (2010) +4 other references |
| Chakhmouradian et al. (1999) +1 other reference |
| Voloshin et al. (2005) +1 other reference |
| Volume 2: Minerals [Минералы]. Nauka et al. (in Russian) +3 other references |
| Mitchell et al. (1996) +1 other reference |
| Arzamastsev et al. (2008) |
| [World of Stones 95:5-6 +2 other references |
| Konopleva et al. (2008) |
| [Oxyplumbopyrochlore] Voloshin et al. (1986) +1 other reference |
| [var: Zero valent dominant member of Pyrochlore Group] Bulakh et al. (1998) +2 other references |
| Zozulya et al. (2024) |
| [var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore, Fluorkenopyrochlore, Fluornatropyrochlore, Hydroxycalciopyrochlore, Hydroxykenopyrochlore, Hydroxynatropyrochlore, Oxycalciopyrochlore, Oxynatropyrochlore] Terry Williams (1996) +7 other references |
| [Hydroxynatropyrochlore] Mikhailova et al. (2015) +1 other reference |
| [var: Yttropyrochlore (of Hogarth 1977), var: Zero valent dominant member of Pyrochlore Group] Pekov et al. (2004) |
| American Mineralogist |
| Pekov (1998) +2 other references |
| [var: Uranpyrochlore (of Hogarth 1977)] ... |
| Mokrushina et al. (2023) |
| Yakovenchuk et al. (2010) +1 other reference |
| Pavel M. Kartashov analytical data (2013) |
| Arzamastsev et al. (2008) +1 other reference |
| [Strontiopyrochlore (of Hogarth 1977)] Pekov et al. (2004) |
| D’yachkov et al. (2022) |
| Zozulya +5 other references |
| [Kenoplumbopyrochlore] Voloshin A.V. et al. (1986) +1 other reference |
| Liferovich et al. (2006) +1 other reference |
| Kalashnikov et al. (2016) |
| Ivanyuk et al. (2006) |
- Muruai and Uel'kuai rivers
| |
| Selivanova et al. (2024) |
| Semenov E.I. (1972) |
| Mikhail Uchitel' data |
| Mikhail Uchitel' data |
| [Strontiopyrochlore (of Hogarth 1977)] Pekov (1998) |
| [var: Yttropyrochlore (of Hogarth 1977), var: Zero valent dominant member of Pyrochlore Group] [World of Stones 95:5-6 +1 other reference |
| [var: Zero valent dominant member of Pyrochlore Group] Pekov (1998) +1 other reference |
| [var: Zero valent dominant member of Pyrochlore Group] Pekov (1998) +2 other references |
| [Fluorcalciopyrochlore, Hydroxycalciopyrochlore, Kenoplumbopyrochlore] Kozlov +6 other references |
| Kalashnikov et al. (2016) |
| Mikhailova et al. (2007) |
| [Fluorcalciopyrochlore] Yakovenchuk et al. (2019) |
| Keith Bell et al. (1996) +1 other reference |
| Zozulya et al. (2024) |
| [Hydroxycalciopyrochlore] Zozulya et al. (2024) |
| Zozulya et al. (2024) |
| Pavel M. Kartashov (n.d.) |
| [var: Yttropyrochlore (of Hogarth 1977)] Clark (1993) |
| [var: Yttropyrochlore (of Hogarth 1977)] Pekov (1998) |
| Pavel M. Kartashov (n.d.) +1 other reference |
| Kovalskaya et al. (2017) +1 other reference |
| [World of Stones 12:49] |
| [Fluorcalciopyrochlore] Kruk et al. (2021) +1 other reference |
| Nokleberg |
| [Strontiopyrochlore (of Hogarth 1977)] S.M. Kravchenko +2 other references |
| Lazareva et al. (2015) |
| Trunilina et al. (2022) |
| Zakharov et al. (2022) |
| [var: Uranpyrochlore (of Hogarth 1977)] Pavel M. Kartashov (n.d.) |
| [var: Uranpyrochlore (of Hogarth 1977), Fluorcalciopyrochlore] Pavel M. Kartashov (n.d.) +4 other references |
| Kuznetsova et al. (2009, November) +2 other references |
| USGS Open File Report 2005-1252 p175 +1 other reference |
| Pekov (1998) |
| Hyršl (1992) |
- Yamalo-Nenets Autonomous Okrug
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Skorobogatova et al. (1966) +1 other reference |
| www.minsocam.org (n.d.) +1 other reference |
| www.minsocam.org (n.d.) |
| Chukanov et al. (2026) |
| [var: Ceriopyrochlore (of Hogarth 1977), Fluornatropyrochlore, Hydropyrochlore] World of Stones |
| Badanina et al. (2008) +1 other reference |
| Ivanova et al. (2020) |
|
Rwanda | |
| Daltry et al. (1998) |
|
Saudi Arabia | |
| Qadhi (2007) |
| Küster (2009) |
| [Hydroxyplumbopyrochlore] Barrick Gold Corporation |
| Drysdall et al. (1984) |
| Lalande (1977) +2 other references |
|
Senegal | |
| Goodenough et al. (2025) |
|
Slovakia | |
| [var: Uranpyrochlore (of Hogarth 1977)] Uher |
| [Oxycalciopyrochlore] Huraiová et al. (2019) |
| Koděra et al. (1986) |
| [Hydrokenopyrochlore, Hydroxycalciopyrochlore] Uher P. et al. (2018) |
| Uher et al. (Považský Inovec) |
| Uher P. +1 other reference |
|
Somalia | |
| Orris et al. (2002) |
| Orris et al. (2002) |
| Brock et al. (1964) |
|
South Africa | |
- King Cetshwayo District Municipality
| Cairncross et al. (1995) |
- Waterberg District Municipality
- Thabazimbi Local Municipality
| USGS Open-File Report 02–156–A +1 other reference |
- Bojanala Platinum District Municipality
- Moses Kotane Local Municipality
| [var: Uranpyrochlore (of Hogarth 1977)] The Canadian Mineralogist +2 other references |
| Cairncross et al. (1995) |
- Frances Baard District Municipality
- Sol Plaatje Local Municipality
| Abersteiner et al. (2019) |
| Konzett et al. (2013) |
- Namakwa District Municipality
- Kamiesberg Local Municipality
| USGS Open-File Report 02-189 |
| Ogungbuyi et al. (2022) |
- Nama Khoi Local Municipality
| Gevers +2 other references |
- ZF Mgcawu District Municipality
- Kai !Garib Local Municipality
| Cairncross et al. (1995) |
|
South Korea | |
- North Chungcheong Province
| [var: Ceriopyrochlore (of Hogarth 1977), var: Yttropyrochlore (of Hogarth 1977)] Pavel M. Kartashov (n.d.) |
|
Southern Africa | |
| Tende et al. (2026) |
|
Spain | |
| Coello et al. (92) +10 other references |
| Casillas et al. (2011) |
| J. Mangas & F. J. Pérez Torrado et al. (1997) +1 other reference |
| J. Mangas & F. J. Pérez Torrado et al. (1997) |
- Santa Cruz de Tenerife Province
| Dill et al. (2023) |
| Dill et al. (2023) |
| Dill et al. (2023) |
| Dill et al. (2023) |
| Dill et al. (2023) |
| Dill et al. (2023) |
| Dill et al. (2023) |
| Dill et al. (2023) |
| Venturelli et al. (1984) +2 other references |
| Priem et al. (1966) +3 other references |
|
Sweden | |
| www.k1q.net (2003) |
| [var: Calciobetafite (of Mazzi & Munno)] J.Langhof: REE-mineralogy in Mo-granite ... |
| [var: Uranpyrochlore (of Hogarth 1977)] |
| Damman et al. (1990) |
| Grensman et al. (1991) |
| Černý et al. (2004) |
| Kresten +20 other references |
| Sandström et al. (2010) |
| Sandström et al. (2010) |
|
Switzerland | |
| Stalder et al. (1998) |
| Stalder et al. (1998) |
|
Tajikistan | |
- Districts of Republican Subordination
| [Fluornatropyrochlore, Hydroxycalciopyrochlore] Pekov (1998) +2 other references |
| Mirakov M.A. et al. (2018) |
| [Oxycalciopyrochlore, Oxynatropyrochlore] AmMin 85:1561] +1 other reference |
| Pautov et al. (2022) |
| Pekov (1998) |
|
Tanzania | |
| Zaitsev A.N. et al. (2010) |
| [var: Zero valent dominant member of Pyrochlore Group] Richard Gaines +3 other references |
| Brock et al. (1964) |
|
Turkey | |
| Özer et al. (2025) |
| Nikiforov et al. (2014) |
| Schuiling (1961) +2 other references |
|
Uganda | |
- Bukusu Carbonatite Complex
| USGS Open-File Report 02–156–A |
| Reedman (1984) |
| [var: Uranpyrochlore (of Hogarth 1977)] Hogarth et al. (1989) |
| [Oxynatropyrochlore] Hogarth et al. (1989) +1 other reference |
|
UK | |
| www.mineralman.f9.co.uk (2001) |
| Judd +6 other references |
| Young et al. (1978) |
|
Ukraine | |
| [var: Uranpyrochlore (of Hogarth 1977)] Orris et al. (2002) |
| Dumańska-Słowik et al. (2012) |
| Vasyl M. Zagnitko (2003) |
| Sharygin et al. (2014) |
| Sharygin et al. (2011) |
| [var: Uranpyrochlore (of Hogarth 1977)] Ryabchikov et al. (2008) |
- Eliseevskoe pegmatite field
| [var: Yttropyrochlore (of Hogarth 1977)] Lazarenko E.K. e.a. Mineralogy of ... |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Uranpyrochlore (of Hogarth 1977)] Pavel M. Kartashov (n.d.) |
|
United Arab Emirates | |
| Nasir et al. (2003) |
|
USA | |
- Fairbanks North Star Borough
| [Fluorkenopyrochlore] Bart Cannon (cannonmicroprobe.com) |
- Prince of Wales-Hyder Census Area
- Ketchikan Mining District
| Philpotts et al. (1998) |
| Philpotts et al. (1998) |
- Yukon-Koyukuk Census Area
- Hot Springs Mining District
| [var: Uranpyrochlore (of Hogarth 1977)] - (2008) |
- California Mining District (Chiricahua Mining District)
| Miller et al. (1983) |
- White Picacho Mining District
| Jahns (1952) +1 other reference |
| Jahns (1952) +1 other reference |
| Jahns (1952) +2 other references |
| Heathcote et al. (1989) |
| Rocks & Min.: 63:108. |
| [Strontiopyrochlore (of Hogarth 1977)] Howard +1 other reference |
| Henry Barwood - unpublished (2010) |
| Ron Layton Collection |
| Howard (1987) +1 other reference |
| Murdoch (1966) +1 other reference |
| [MinRec 15:284 |
| [var: Uranpyrochlore (of Hogarth 1977)] Ralph Parkes |
- Devils Head Pegmatite Mining District
| Meeves et al. (1966) |
| Meeves et al. (1966) |
| - (2005) |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Eckel et al. (1997) |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Eckel et al. (1997) |
| - (2005) |
| - (2005) |
| Eckel et al. (1997) |
| Gross et al. (1966) |
| Muntyan et al. (1985) |
| Rocks & Minerals 76:298-325 |
| Hanson et al. (2013) |
| Eckel et al. (1997) |
- Eight Mile Park Pegmatite Mining District
| [var: Uranpyrochlore (of Hogarth 1977)] Eckel et al. (1997) |
| USGS Prof Paper 649 +2 other references |
| USGS Prof Paper 649 |
| USGS Prof Paper 649 +1 other reference |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
- Elk Mountain Mining District (Snowmass Mountain Mining District)
| Eckel et al. (1997) |
| Meeves et al. (1966) |
- Quartz Creek Pegmatite Mining District
| Eckel et al. (1997) |
| [var: Uranpyrochlore (of Hogarth 1977)] Bob Cobban |
| [var: Uranpyrochlore (of Hogarth 1977)] Eckel et al. (1997) |
- White Earth Mining District (Powderhorn Mining District)
| Armbrustmacher (1981) +1 other reference |
| - (2005) |
| - (2005) |
- Clear Creek pegmatite Province
| Meeves et al. (1966) |
- South Platte Pegmatite Mining District
| [var: Uranpyrochlore (of Hogarth 1977)] |
| James A. Bauer +1 other reference |
- Micanite Mining District (Currant Creek Mining District)
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Eckel et al. (1997) |
| [var: Uranpyrochlore (of Hogarth 1977)] Rudy Boloña identification and ... |
| Eckel et al. (1997) |
| Meeves et al. (1966) |
| Schooner (1958) +1 other reference |
| Schooner (1958) |
| [var: Uranpyrochlore (of Hogarth 1977)] Specimen in collection of Andrew Kruegel +1 other reference |
| Ralph Lieser of Pappy’s Beryl Shop +3 other references |
| Jarnot (1989) |
| Trela et al. (2024) +1 other reference |
| Denny et al. (2017) |
| Bernstein (1980) |
| Buchholz et al. (2014) |
| Buchholz et al. (2013) |
| - (2005) |
| Carlson et al. (2005) +3 other references |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Foord et al. (1999) |
| [var: Uranpyrochlore (of Hogarth 1977)] Rocks & Minerals (1990) |
| Barton (1968) |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Rocks & Minerals Vol.65 No.4 +1 other reference |
| [Hydroxycalciopyrochlore] Chris O'Neill |
| [Hydroxycalciopyrochlore] van Rossen (2026) |
| Rocks & Min.: 60:229. |
| [var: Uranpyrochlore (of Hogarth 1977)] Am Min 1953 p1090 |
| Michael N. Spilde et al. (2016) |
| [var: Uranpyrochlore (of Hogarth 1977)] Michael N. Spilde et al. (2011) |
| [var: Uranpyrochlore (of Hogarth 1977)] Northrop et al. (1996) |
- Elk Mountain Mining District
| [var: Uranpyrochlore (of Hogarth 1977)] Jahns (1946) +1 other reference |
| [var: Uranpyrochlore (of Hogarth 1977)] Northrop et al. (1996) |
| John H. Betts (2009) |
| [var: Uranpyrochlore (of Hogarth 1977)] Joseph A.Mandarino and Malcolm E. Back |
| [var: Uranpyrochlore (of Hogarth 1977)] 8th Dana |
| [var: Plumbopyrochlore (of Skorobogatova et al.), var: Uranpyrochlore (of Hogarth 1977)] Warner et al. (2009) |
| [var: Uranpyrochlore (of Hogarth 1977)] Genth |
| Smith (1991) |
- Amelia (Amelia Court House)
| Rocks & Min.:60:165. +1 other reference |
| Rocks & Min.:60:165. |
| [var: Uranpyrochlore (of Hogarth 1977), Oxycalciopyrochlore] Pegau (1932) +1 other reference |
| Robin D. Tibbit (deceased) |
| Dietrich (1990) |
| Rocks & Min.: 60:168. |
| Dietrich (1990) |
| Markus B. Raschke et al. (2016) |
| [Fluorplumbopyrochlore] Pavel M. Kartashov analytical data (2004) |
| Sirbescu et al. (2008) |
| [var: Ceriopyrochlore (of Hogarth 1977)] Cordura |
| [var: Ceriopyrochlore (of Hogarth 1977), var: Uranpyrochlore (of Hogarth 1977)] Weidmann ( 1907) |
| [var: Uranpyrochlore (of Hogarth 1977)] www.uwrf.edu/~wc01/pyrochlore.htm |
| [var: Plumbopyrochlore (of Skorobogatova et al.)] Rocks & Min. (2007) |
| Hanson et al. (1999) |
| [var: Zero valent dominant member of Pyrochlore Group] Anthony (1997) |
| Cordua (1998) +1 other reference |
| Cordua (1998) |
| [var: Ceriopyrochlore (of Hogarth 1977)] Weidman S. |
| Buchholz et al. (2012) |
| Hausel et al. (2001) |
| Sánchez-Muñoz et al. (2011) |
| Van Rythoven et al. (2020) |
| Rocks&Min 76:23-241 |
|
Venezuela | |
| Woolley (1987) +1 other reference |
| Sharygin et al. (2009) |
|
Vietnam | |
| [var: Uranpyrochlore (of Hogarth 1977)] Feldman l.G. et al. (1987) +4 other references |
| Li et al. (2023) |
|
Zambia | |
| Zambezi et al. (1997) |
|
Zimbabwe | |
| Martin (2020) |
| Woolley (2001) |
- Sandawana-Belingwe District
| Sminia et al. (2006) |
|
The Moon | |
| [Oxycalciopyrochlore, Oxycalciopyrochlore var: Titan-uranoan Oxycalciopyrochlore] Mokhov et al. (2008) |
symbol to view information about a locality.
The 
- This locality has map coordinates listed.
- 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).
Laacher See Volcanic Complex, Germany