(TL) indicates type locality. ? 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.


Argentina
Córdoba Punilla Department Gigante pegmatite	[Natrodufrénite] Gunnar Farber specimens
Tanti Cerro Blanco pegmatite district El Criollo Mine	[Dufrénite] Mr. Nelson Valenzuela.
San Alberto Department Pampa de Achala La Victoria pegmatite	[Dufrénite] Milka K. de Brodtkorb (2006) Las Especies Minerales de la Republica Argentina, Vol. 2, p 428 (Asociación Mineralógica Argentina)
San Luis Coronel Pringles Department Totoral pegmatitic field La Florida San Luis Mine	[Dufrénite] OYARZABAL, J. and GALLISKI, M.A.. Hureaulite, Mn+25(H2O)4[PO3(OH)]2[PO4]2, from different deposits of the Totoral pegmatitic field, San Luis. Rev. Asoc. Geol. Argent. [online]. 2007, vol.62, n.2, pp. 210-216.

Australia
New South Wales Yancowinna Co. Broken Hill Block 14 Opencut	[Dufrénite] Australian Min. 3:1 (1997)
Kintore Opencut	[Dufrénite] Australian Mineralogist (1997): 3: 1.
Pinnacles Mine	[Dufrénite] [UKJMM 19:28]
Northern Territory Pine Creek Evelyn Mine	[Dufrénite] Stuart Mills
Queensland Mount Isa - Cloncurry area Gunpowder District Mount Gordon Mount Oxide Copper mine	[Natrodufrénite] Day, B. E. & Beyer, B. D. (1996): Some mines of the Mt Isa district. Part 3 - The Mt Oxide mine. Australian J. of Mineralogy 2 (1), 3-10.
South Australia Eyre Peninsula Middleback Range Iron Knob Iron Monarch open cut	[Dufrénite] No reference listed
Flinders Ranges South Flinders Ranges Wilmington Spring Creek Mine	[Dufrénite] Australian Journal of Mineralogy. Vol 5. No. 2. 1999. 55-62
Mt Lofty Ranges North Mt Lofty Ranges Barossa Valley Angaston Moculta Phosphate Quarry (Klemm's Quarry)	[Dufrénite]
Kapunda Tom's Phosphate quarry (Tom's quarry)	[Dufrénite] Frost, R.L., S.J. Mills, and K.L. Erickson, (2004), Thermal decomposition of peisleyite: a thermogravimetry and hot stage Raman spectroscopic study. Thermochimica Acta, 419(1-2): p. 109-114.
Robertstown Fairview Quarry	[Dufrénite] No reference listed
Olary Province Bimbowrie Station Perry Hummock Mine	[Natrodufrénite] Australian Journal of Mineralogy, Vol.3, N°2, Dec.1997
Mount Bull Mine	[Natrodufrénite] Australian Journal of Mineralogy, Vol.3, N°2, Dec.1997
Victoria Castlemaine Campbells Creek Rixon Sandstone Quarries	[Natrodufrénite] P. Sutton (2007): Cyrilovite and natrodufrenite from near Campbells Creek, Victoria. Australian Journal of Mineralogy, 13(2), 65-71.
Dookie Ascot Hills Gravel Hill quarry	[Natrodufrénite]
Lake Boga Lake Boga granite quarry	[Natrodufrénite] No reference listed
Parish of Edi Edi-Cheshunt turquoise field	[Dufrénite]
Western Australia Dandaragan Shire Dandaragan Minyulo Well	[Dufrénite] Collection of NHM, Vienna

Austria
Lower Austria Waldviertel Großdietmanns Unterlembach Eichberg	[Natrodufrénite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)

Brazil
Minas Gerais Doce valley Divino das Laranjeiras Linópolis Córrego Frio mine	[Dufrénite] Cassedanne, J.P. (1983): Famous mineral localities: The Córrego Frio mine and vicinity, Minas Gerais, Brazil. Mineralogical Record, 14 (4): 227-237
Galiléia Sapucaia do Norte Sapucaia Mine (Proberil mine)	[Dufrénite] Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365

Chile
Antofagasta Region El Loa Province Calama Chuquicamata District Chuquicamata Mine	[Natrodufrénite] maurizio dini collection - analysed material
Atacama Region Chañaral Province El Salvador district El Salvador Mine	[Natrodufrénite] maurizio dini collection - analysed material
Tarapacá Region Iquique Province Collahuasi District Quebrada Blanca Mine	[Natrodufrénite] Sulphides analysed by geology dep. of company; sulphates, phosphates, analysed by Bob Jenkins (Usa) 2007

Czech Republic
Bohemia (Böhmen; Boehmen) Central Bohemia Region Kutná Hora (Kuttenberg) Přibyslavice	[Dufrénite] Povondra, P., Pivec, E. (eds.) et al.: Přibyslavice peraluminuous granite. Acta universitatis carolinae, Geologica, 1987, no. 3, s . 183 – 283.
Karlovy Vary Region Horní Slavkov (Schlaggenwald) Krásno (Schönfeld) Huber stock (Huber shaft)	[Natrodufrénite] Sejkora, J., Škoda, R., Ondruš, P., Beran, P. & Susser, C. (2006): Mineralogy of phosphate accumulations in the Huber stock, Krásno ore district, Slavkovský les area, Czech Republic. Journal of the Czech Geological Society 51, 103-147.
Vysoký Kámen Greisen deposit	[Natrodufrénite] Sejkora, J., Süsser, C., Plášil, J.: Natrodufrénit a asociace fosfátů, ložisko Vysoký kámen – greisen, Krásno u Horního Slavkova. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2007, roč. 14-15, s. 116-125.
Lázně Kynžvart (Bad Königswart) Bily Kamen pegmatite	[Dufrénite] Černý, P., Veselovský, F.: Pegmatit Bílý kámen (Weisser Stein) u Kynžvartu. Minerál, 2000, roč. 8, č. 1, s. 10-16.
Liberec Region Jilemnice (Starkenbach) ~~Poniklá~~	[Dufrénite] Škoda, R., Rus, P.: Revize dufrenitu z Poniklé. Minerál, 2010, roč. 18, č. 2, s. 119-123.
Pardubice Region Chvaletice	[Dufrénite] Prachař, I.: Současný stav výskytu nerostů ve Chvaleticích. Acta musei Reginaehradecensis, série A: vědy přírodní, 1981, roč. XVI., s. 99-102.
Plzeň Region Domažlice (Taus) St Vavřinec Hill	[Dufrénite] Weber, A.: Fosfáty z pegmatitů jz. Čech. Rozpravy II. třídy České akademie, 1948, roč. 58, č. 1.
Rokycany (Rokitzan; Rokytzan) Těškov	[Dufrénite] Janouš, F.: Minerály z Kněží hory u Těškova (okres Rokycany), Minerál, 1995, roč. 3, č. 6, s. 367-369.
South Bohemia Region Písek Cizova	[Natrodufrénite] Cícha J., Sejkora J.: Vanadový wavellit, variscit a další fosfáty z grafitických kvarcitů v Čížové u Písku. Minerál, 2011, 19, 1, 23-32.
Moravia (Mähren; Maehren) Vysočina Region Velké Meziříčí Cyrilov Pegmatite (Cyrillhof)	[Natrodufrénite] Škoda, R., Staněk, J., Čopjaková, R.: Minerální asociace fosfátových nodulí z granitického pegmatitu od Cyrilova u Velkého Meziříčí, Moldanubikum; část 1 – primární a exsoluční fáze. Acta Mus. Moraviae, Sci. geol., 2007, 92, 59-74.

France
Auvergne Allier Ébreuil Échassières Le Mazet vein	[Dufrénite] Pierre Le Roch & Jean-Marc Johannet collections
Les Montmins Mine (Ste Barbe vein)	[Dufrénite] Walenta, K. & Binder, W. (1980): Kidwellit und Dufrenit aus den Mines de Montmins bei Echassiéres (französisches Zentralmassiv). Aufschluss 31, 51-54.; Le Règne Minéral, (33), 5-25.
Brittany Morbihan Plumelin La Lande quarry	[Dufrénite] Pierre Le Roc'h & Jean-Marc Johannet collections
Rochefort-en-Terre Pluherlin Castle	[Natrodufrénite] Bull.Mineral. (1982): 105, 321-326.
Limousin Creuse Soumans Montebras Montebras Mine ?	[Dufrénite] Queneau Patrice collection
Haute-Vienne Anglar	[Dufrénite] Brongniart A: Tab. Espèces Min.(1833) p. 20
Bessines-sur-Gartempe Avent quarry	[Dufrénite] http://perso.wanadoo.fr/jeldemine/listes%20mineraux.html
Razès Chanteloube Vilatte Quarries (La Vilate) Vilatte-Haute Quarry (Alluaud Quarry)	[Dufrénite] Boisson, J. M. (1988) - Les monts d'Ambazac, Le Cahier des Micromonteurs, (2), 3-33.
Le Malabard Quarry	[Dufrénite] Guide geologique de la Haute Vienne, musee municipal de Limoges, Limoges, 1967
Saint-Sylvestre Les Hureaux	[Dufrénite] http://perso.wanadoo.fr/jeldemine/liste%20mineraux%20sud.html
Midi-Pyrénées Aveyron La Capelle-Bleys Puech de Leguo quarry	[Natrodufrénite] Gayraud, L., Gineste, C., Bernadi, G. & Johannet, J.-M. (2011) - Bleys et Puech de Compolibat: deux localités minéralogiques remarquables du massif de leucogranite de La Capelle-Bleys (Aveyron), Le Cahier des Micromonteurs, 111(1), 7-23
Poitou-Charentes Deux-Sèvres La Chapelle Largeau Bel Air Mine	[Dufrénite] Le Cahier des micromonteurs, 2002, N°75, pp 8-25 / Johannet J.-M. (2006) Belles découvertes de dufrénite en Deux-Sèvres. Le Cahier des Micromonteurs, 93, 72-76. (in French)
Le Temple La Commanderie mine	[Dufrénite] Le Cahier des micromonteurs, 2002, N°75, pp 8-25

Germany
Baden-Württemberg Black Forest Wolfach Oberwolfach Rankach valley Clara Mine	[Dufrénite] Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
Bavaria Franconia Fichtelgebirge Tröstau Leupoldsdorf Fuchsbau Quarry	[Dufrénite] http://www.mineralienatlas.de/lexikon/index.php/Deutschland/Bayern/Fichtelgebirge/Leupoldsdorf/Fuchsbau
Lower Bavaria Bavarian Forest Zwiesel Rabenstein Hühnerkobel	[Dufrénite] Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 721; Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Upper Palatinate Auerbach Leonie I Mine (Leonie Mine; Alte Leonie Mine)	[Dufrénite] Stanjek, H. (1983): Auerbach/Oberpfalz. Phosphatmineralien aus der Grube Leonie. Lapis 8 (3), 9-18; 42. (in German); Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Nitzlbuch (Nitzelbuch) Maffei Mine (Nitzelbuch Mine)	[Dufrénite] Dana 7:II:772,803,960.
Oberpfälzer Wald Vohenstrauß Pleystein Kreuzberg (Rose quartz cliff)	[Dufrénite] Dill, H.G., Weber, B. (2009), Pleystein-City on Pegmatite, 4th International Symposium on Granitic Pegmatites, Recife, Brazil.
Waidhaus Hagendorf Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut)	[Dufrénite] http://www.berthold-weber.de/h_miner.htm
Hesse Wetzlar Waldgirmes Rotläufchen Mine	[Dufrénite] Dana 6: 797, 823; Dana 7:II:874, 960.
Weilburg Essershausen Mark Mine	[Dufrénite] Blaß, G. (2002): Eine neue Phosphatmineralien-Paragenese von der Grube Mark bei Essershausen, mittleres Lahngebiet, Taunus. Mineralien-Welt, 13 (6), 18-43. (in German)
North Rhine-Westphalia Sauerland Warstein Hirschberg David Mine (Christiansglück Mine)	[Dufrénite] D. Pawlowski: "Mineralfundstellen im Sauerland", Weise (Munich), 1991
Siegerland Eiserfeld Eisenzecher Zug Mine	[Dufrénite] Wittern: "Mineralfundorte in Deutschland", 2001
Rhineland-Palatinate Siegerland Betzdorf Brachbach Wernsberger Erbstollen Mine (Wernsberg Mine)	[Dufrénite] Hucko, S. (2010): Phosphatparagenesen auf Brauneisensteingängen am Windhahn. Mineralien-Welt 21 (2), 14-25.
Herdorf Dermbach Althollert Mine (Regulatus adit)	[Dufrénite] Hucko, S. (2010): Phosphatparagenesen auf Brauneisensteingängen am Windhahn. Mineralien-Welt 21 (2), 14-25.
Hollertszug Mine (Hollerter Zug Mine)	[Dufrénite] S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990; Overkott, T. & Reinhardt, M. (2007): Dufrenit vom Hollerter Zug im Siegerland. Lapis 32 (11), 42.
Westerwald Linz am Rhein Rheinbreitbach Virneberg Mine (St Josephsberg Mine)	[Dufrénite] Weiss: "Mineralienfundstellen, Deutschland West", Weise (Munich), 1990
Wied Iron Spar District Altenkirchen Bürdenbach Louise Mine	[Dufrénite] Weiss: "Mineralienfundstellen, Deutschland West", Weise (Munich), 1990
Saxony Erzgebirge Ehrenfriedersdorf Greifenstein Rocks	[Natrodufrénite] Wittern: "Mineralfundorte in Deutschland", 2001
Oberlausitz Görlitz Rengersdorf Field near the Hochstraße	[Dufrénite] T. Witzke & T. Giesler (1993): Dufrenit und Opal von Rengersdorf/Lausitz.- Mineralien-Welt 4 (5), 14
Vogtland Reichenbach Neumark Hauptmannsgrün Isolde Mine	[Dufrénite] U. Ludwig, Chemnitz
Thuringia Bad Lobenstein Tännig	[Dufrénite] Wittern: "Mineralfundorte in Deutschland", 2001
Vogtland Hirschberg Ullersreuth Arme Hilfe Mine	[Dufrénite] Witzke, T., Rüger, F., Martin, M., Graf, J., and Baum, M. (2001): Ullersreuth, ein traditionelles thüringisches Bergbaugebiet. Lapis 26(12), 13-27.
Hoff auf mich Mine	[Dufrénite] Witzke, T., Rüger, F., Martin, M., Graf, J., and Baum, M. (2001): Ullersreuth, ein traditionelles thüringisches Bergbaugebiet. Lapis 26(12), 13-27.

Greece
Attikí (Attica; Attika) Prefecture Lavrion (Laurion; Laurium) District Lavrion District Mines Agios Konstantinos [St Constantine] (Kamariza) Kamariza Mines (Kamareza Mines) ?	[Dufrénite] http://www.mindat.org/forum.php?read,7,216896,216896#msg-216896

Italy
Sardinia Carbonia-Iglesias Province Fluminimaggiore Oridda Valley Tiny-Arenas Mine	[Dufrénite] Fadda, A.F.(1989): Sardegna pietre dure e minerali. CO.EDI.SAR. Cagliari

Japan
Honshu Island Kanto Region Ibaraki Prefecture Kasumigaura City Chiyoda-machi Yukiiri	[Dufrénite] Matsubara, S. & Kato, A. (1980) Koubutsugaku Zasshi, 14, 269-286.

Madagascar
Fianarantsoa Province Amoron'i Mania Region Ampandramaika-Malakialina Pegmatite Field Ambatofinandrahana District Marivolanitra pegmatite	[Dufrénite] Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p.32

Mexico
Durango Mun. de Rodeo Rodeo Abasolo Navidad Mine (Mina Navidad; Abasolo Mine; Rodeo Mine)	[Dufrénite] Michael Shannon specimens

Namibia
Erongo Region Karibib District Okatjimukuju farm (Friedrichsfelde farm) Clementine II pegmatite	[Dufrénite] P. Keller and O. von Knorring, Eur. J. Mineral. , 1989, 1, pp. 567-593.
Usakos Sandamab pegmatite (Sandamap pegmatite)	[Dufrénite] Der Aufschluss 36:117-119
Otjikoto (Oshikoto) Region Tsumeb Tsumeb Mine (Tsumcorp Mine)	[Dufrénite]

Portugal
Viana do Castelo District Viana do Castelo Meixedo	[Dufrénite] BELLO, A. d'O. (1909-1913) Mineraux portugais. Bull. Soc. Portugaise Sci. Nat., 2, 272-280; 4, 68-78; 6, 90-103; Mineral samples in the Collection of the IST (Instituto Superior Técnico); Pedro Alves, collection and in situ observations.
Vila Real District Barroso-Alvão pegmatite field	[Dufrénite] Martins, T., Lima, A., Simmons, W.B. Falster, A.U. & Noronha, F. (2011): Geochemical fractionation of Nb-Ta oxides in Li-bearing pegmatites from the Barroso-Alvão pegmatite field, Northern Portugal. Canadian Mineralogist. 49, 777-791
Viseu District Mangualde Cubos-Mesquitela-Mangualde area	[Dufrénite]
São Pedro do Sul Candal Chãs nº2	[Dufrénite] Pedro Alves collection
Salgueiro Chãs Mines	[Dufrénite] Pedro Alves collection, XRD analysis
Vila Nova de Paiva Queiriga Lagares do Estanho mines Rebentão mine	[Natrodufrénite] Nuno Afonso collection

Romania
Harghita Co. Odorheiu Secuiesc (Székelyudvarhely; Oderhellen) Racoş (Racoşu de Jos) Carhaga Valley	[Dufrénite] Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Sântimbru-Băi	[Dufrénite] Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp

South Africa
Northern Cape Province Aggeneys	[Dufrénite] Minerals of South Africa
Western Cape Province Hout Bay Manganese mines	[Dufrénite] Minerals of South Africa

Spain
Castile-La Mancha Ciudad Real Minas de Horcajo El Horcajo Mine	[Dufrénite] Sáinz de Baranda, B., Palero, F.J., García, G. (2004): El Horcajo, las piromorfitas más famosas del mundo. Bocamina, 13, 32-68.
Castile and Leon Zamora Pinilla de Fermoselle	[Natrodufrénite]
Catalonia Barcelona Baix Llobregat Gavà	[Dufrénite] Camprubí, A., Costa, F., Melgarejo, J.C., 1994. Mineralizaciones de fosfatos férrico-alumínicos de Gavà (Catalunya): tipología. Boletín Geológico y Minero, v. 105-5, p. 444-453.
Bruguers Rocabruna Mines	[Dufrénite] Tritlla, J. (1987) “Sobre la presencia de dufrenita en las minas de Bruguers (Prov. de Barcelona)”. Mineralogistes de Catalunya, Vol.III, n.8, pp.208-209
Extremadura Cáceres Zarza la Mayor La Paloma Mine	[Natrodufrénite] Viñals, J. and Calvo, M. (2011). Secondary phosphates of La Paloma mine, Zarza la Mayor, Cáceres, Spain. Mineral Up 2 (5), 8-31.

Sweden
Lappland Kiruna Kiirunavaara Mine	[Dufrénite] No reference listed
Kiruna district Svappavaara Leveäniemi Mine	[Dufrénite] No reference listed

UK
England Cornwall Liskeard District Linkinhorne Minions Phoenix United Mine	[Dufrénite] Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 802, 874, 950.
South Phoenix Mine	[Dufrénite] P D Trebilcock.
St Austell District Treverbyn Stenalees Gunheath China Clay Pit	[Dufrénite] Elton, N. J. (1998): Barbosalite, frondelite and other phosphates from Gunheath China Clay Pit, St Austell, Cornwall, England. Journal of the Russell Society 7, 15-18. ; Mineralogical Magazine 1996 60 : 517-518.
Cumbria North and Western Region (Cumberland) Caldbeck Fells Coombe Height Burdell Gill	[Dufrénite] No reference listed

USA
Alabama Cherokee Co. Augusta Ridge Iron Quarry	[Dufrénite] Rob Lavinsky
Indian Mountain	[Dufrénite] Min.Rec.:20(5):361.
Highbluff Limonite Bank	[Dufrénite] Mineralogy of Alabama Geol Surv Ala. Bull 120
Rock Run Area Wolfden Mountain	[Dufrénite] Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 874; Rocks & Minerals: 70(5): 320-333.; Barwood, H. & Hajek, B. (1979): Notes of Some New Occurences in Alabama. Mineralogical Record. 9: 388-391
Rock Run Station locality	[Dufrénite] Rocks & Min 70:5 pp 320-333
Arizona Graham Co. Gila Mts Lone Star District (Safford District; Dos Pobres District) Lone Star Lone Star Mountain Lone Star Mine (Lone Star group; Lone Star deposit)	[Natrodufrénite] Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 6.
Arkansas Polk Co. Buckeye Mountain (Blaylock Mountain)	[Dufrénite] Rocks and Minerals, (1988) 63:104-125
Shady Coon Creek Mine (York Mine)	[Dufrénite] Rocks & Min.:64:297-298.
Three Oaks Gap Three Oaks Gap workings (Arena 1 prospect)	[Dufrénite] Rocks & Minerals: 63: 120.
Georgia Burke Co. Girard District Girard	[Dufrénite] Jason Smith & M.E. Ciriotti (2005) [m.ciriotti@tin.it]
Polk Co. Indian Mountain	[Dufrénite] Rocks & Minerals 54:4 pp161-165
Missouri Crawford Co. Missouri Brown Iron Belt Scotia Iron Bed Mines	[Dufrénite] Dana 6: 1083.
Steelville Cherry Valley Mines	[Dufrénite] R&M 73:2 pp 98-117
Nevada Humboldt Co. Buffalo Mountain District Lone Tree Mine	[Dufrénite] NBMG Spec. Pub. 31 Minerals of Nevada
Sequoia Pit	[Dufrénite] Rocks & Minerals, Nov. 1999
Pershing Co. Willard District Willard mine	[Dufrénite] [MinRec 39:297]
New Hampshire Grafton Co. Alexandria ~~E.E. Smith Mine (Smith Mine; Bullock Mine)~~	[Dufrénite] Rocks & Min.: 17:250.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
Groton ~~Fletcher Mine~~	[Dufrénite] Meyers & Stewart (1956) Geology of New Hampshire, part III.
Palermo No. 1 Mine (Palermo #1 pegmatite)	[Dufrénite] Rocks & Min.: 16:208-211.; Mineralogical Record (1973) 4:103-130; USGS Prof Paper 255; USGS Prof Paper 353
Hillsborough Co. Deering ~~Gringrass Farm locality (Gingrass farm)~~	[Dufrénite] Meyers & Stewart,1956. Geology of NH, part III.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
New Jersey Monmouth Co. Holmdel Telegraph Hill	[Dufrénite] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vil. 3, No. 1, Manchester, J.G. (1931): 81.
New Mexico Grant Co. Santa Rita District	[Dufrénite] Northrup, Minerals of New Mexico, 3rd Rev. Ed., 1996
Santa Rita Chino Mine (Santa Rita Pit; Santa Rita Mine)	[Dufrénite] Min Rec 26:5 p483; Min. Mag. 60:787-793.; Rocks & Minerals 84:492-500
Steeple Rock District	[Dufrénite] Minerals of New Mexico 3rd ed.
Sandoval Co. Cochiti District	[Dufrénite] Minerals of New Mexico 3rd ed.
Jemez Sulfur District	[Dufrénite] Minerals of New Mexico 3rd ed.
North Carolina Chatham Co.	[Dufrénite] Genth,F.A and Kerr,W.C,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey
Cleveland Co. Kings Mountain Dixon Creek	[Dufrénite] Wilson,W.F and Mckenzie,B.J ,1978, Mineral Collecting Sites in North Carolina,Information Circular 24
Kings Mountain District Foote Lithium Co. Mine (Foote Mine)	[Dufrénite] Jason Smith collection, Steve Adams collection
South Dakota Custer Co. Custer District Custer Roosevelt group (Rough Rider)	[Dufrénite] Loomis, T. (2011), "News from the Black Hills, South Dakota", Mineral News, in press
Fourmile Tip Top Mine (Tip Top pegmatite)	[Dufrénite] Rocks & Minerals: 60: 117.
Lawrence Co. Lead District Wharf Mine	[Dufrénite] Loomis, T. (2011), "News from the Black Hills, South Dakota", Mineral News, in press
Pennington Co. Keystone District Keystone Etta Mine	[Dufrénite] Rocks & Minerals: 67(6): 380-388.
Tennessee Wayne Co. Iron City Van Leer Mine (Gray Mine)	[Dufrénite] Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
Virginia Rockbridge Co. Lyndhurst-Vesuvius District Dixie Mine	[Dufrénite] Rocks & Min.:64:42-45 (also see Rocks & Min.:57:20-22 & 60:168); Watson(1907).
Midvale South Mountain Midvale Mine	[Dufrénite] Rocks&Min. 47:594 (1972)
Washington	[Dufrénite] Cannon, B. (1975): Minerals of Washington, p.83

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