ALMOST THERE!. Help us with a final push needed to keep running. Click here to help.
Catawiki are hosting a benefit auction. All proceeds to! BID NOW
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Dufrénite Group

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About Dufrénite GroupHide

This page provides mineralogical data about Dufrénite Group.

Relationship of Dufrénite Group to other SpeciesHide

Group Members:
Burangaite NaFe2+Al5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
Dufrénite Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
Gayite NaMn2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
Matioliite NaMgAl5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
Natrodufrénite NaFe2+Fe3+5(PO4)4(OH)6 · 2H2OMon.

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 Dufrénite GroupHide

Localities for Dufrénite 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.
  • Córdoba
    • Punilla Department
[Natrodufrénite] Kampf, A.R., Colombo, F., González del Tánago, J. (2010): Gayite, a new dufrénite-group mineral from the Gigante granitic pegmatite, Córdoba province, Argentina. American Mineralogist, 95, 386–391.
      • Tanti
[Dufrénite] Dina, H. (1993). Hentschelita en Cerro Blanco, Tanti, Córdoba. Informacion Tecnologica, 48(3-4), 277-282.
[Dufrénite] Demartin F, Gay H D, Gramaccioli C M, Pilati T (1997) Benyacarite, a new titanium-bearing phosphate mineral species from Cerro Blanco, Argentina. The Canadian Mineralogist 35, 707-712
    • San Alberto Department
      • Pampa de Achala
[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
[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.; Galliski, M. A., Zavalia, M. F. M., de Upton, I. L., & Oyarzabal, J. C. (1998). Mitridatite from the San Luis granitic pegmatite, La Florida, Argentina. The Canadian Mineralogist, 36(2), 395-397.
    • San Martín department
      • Las Aguadas
[Dufrénite] Roda-Robles, E., Galliski, M. A., Roquet, M. B., Hatert, F., & de Paeseval, P. (2012). Phosphate nodules containing two distinct assemblages in the Cema granitic pegmatite, San Luis province, Argentina: Paragenesis, composition and significance. The Canadian Mineralogist, 50(4), 913-931.
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
[Dufrénite] Australian Min. 3:1 (1997)
          • Broken Hill South Mine (BHS Mine; South Mine)
[Dufrénite] Australian Mineralogist (1997): 3: 1.
[Dufrénite] [UKJMM 19:28]
  • Northern Territory
    • Victoria-Daly Region
      • Pine Creek
[Dufrénite] Stuart Mills
  • Queensland
    • Mount Isa City Shire
      • Gunpowder District
        • Mount Gordon
[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 Duke Complex
[Dufrénite] Francis, G.L., 2010. Minerals from the South Middleback Range deposits 2003-2008. (self published) 44pp.
[Dufrénite] Francis, G.L., 2010. Minerals from the South Middleback Range deposits 2003-2008. (self published) 44pp.
[Dufrénite] Francis, G.L., 2010. Minerals from the South Middleback Range deposits 2003-2008. (self published) 44pp.
        • Iron Knob
[Dufrénite] No reference listed
    • Flinders Ranges
      • South Flinders Ranges
        • Gladstone
[Dufrénite] Steve Sorrell Collection
        • Wilmington
[Dufrénite] Australian Journal of Mineralogy. Vol 5. No. 2. 1999. 55-62
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Barossa Valley
          • Angaston
[Dufrénite] Harrowfield, I.R., Segnit, E.R., Watts, J.A. (1981) Aldermanite, a new magnesium aluminium phosphate. Mineralogical Magazine, 44:333, 59-62.
        • Kapunda
[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
[Dufrénite] Noble R.J., Just J. and Johnson J. E., (1983), Catalogue of South Australian Minerals-1983, Government Printer, Adelaide, South Australia.
    • Olary Province
      • Ameroo Hill
[Natrodufrénite] Australian Journal of Mineralogy, Vol.3, N°2, Dec.1997
[Natrodufrénite] Australian Journal of Mineralogy, Vol.3, N°2, Dec.1997
  • Victoria
    • City of Greater Shepparton
      • Dookie
        • Ascot Hills
    • Mount Alexander Shire
      • Castlemaine
        • Campbells Creek
[Natrodufrénite] P. Sutton (2007): Cyrilovite and natrodufrenite from near Campbells Creek, Victoria. Australian Journal of Mineralogy, 13(2), 65-71.
    • Rural City of Wangaratta
      • Whitfield
[Dufrénite] W. D. Birch and D. A. Henry in Phosphate Minerals of Victoria, p.83-90.
    • Swan Hill Rural City
      • Lake Boga
[Natrodufrénite] W.D.Birch 1996. Portlandite and other recent mineral discoveries in the granites at Lake Boga, and Wycheproof and Pyramid Hill, Victoria. Australian Journal of Mineralogy Vol.2 No.2 Dec. 1996, pp. 47-50
  • Western Australia
    • Dandaragan Shire
      • Dandaragan
[Dufrénite] Sue Koepke collection
[Dufrénite] Collection of NHM, Vienna
    • Gingin Shire
[Dufrénite] Simpson, E. S. (1920): Gearksutite at Gingin, Western Australia. Mineralogical Magazine 19, 23-39.
    • Meekatharra Shire
      • Milgun Station
[Dufrénite] Peter Downes, WA Museum
    • Port Hedland Shire
      • Strelley Station
[Dufrénite] Calderwood, M.A., Grguric, B.A., Jacobson, M.I., (2007) Guidebook to the Pegmatites of Western Australia. Hesperian Press, Carlisle, Western Australia.
  • Carinthia
    • Millstatt lake ridge
      • Spittal
        • Millstatt lake
[Matioliite] Walter, F. & Ettinger, K. (2001): 1250. Burangait vom Hochgosch, Millstätter See-Rücken. Pp. 149-150 in NIEDERMAYR, G., F. BERNHARD, G. BLASS, H.-P. BOJAR, F. BRANDSTÄTTER, K. ETTINGER, H.-W. GRAF, V. M. F. HAMMER, B. LEIKAUF, H. MEDITZ, B. MOSER, W. POSTL, J. TAUCHER & P. TOMAZIC (2001): Neue Mineralfunde aus Österreich L. Carinthia II, 191./111.: 141-185.
[Burangaite] Carinthia II (2000)
  • Lower Austria
    • Waldviertel
      • Großdietmanns
        • Unterlembach
[Natrodufrénite] Brandstätter, G. & Niedermayr, G. (1990): 802. Meta-Uranocircit und Natrodufrenit vom Eichberg bei Gmünd, Niederösterreich. Pp. 271-272 in Niedermayr, G. et al. (1990): Neue Mineralfunde aus Österreich XXXIX. Carinthia II, 180./100., 245-288.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Minas Gerais
    • Conselheiro Pena
[Natrodufrénite] Sergio Varvello collection
      • Ferruginha
[Dufrénite] sergio varvello collection
    • Divino das Laranjeiras
      • Linópolis
[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
[Dufrénite] Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365
    • Mendes Pimentel
[Matioliite] Am.Min 91,1932-1936(2006); Atencio, D., Coutinho, J.M.V., Mascarenhas, Y.P., Ellena, J. (2006): Matioliite, the Mg-analog of burangaite, from Gentil mine, Mendes Pimentel, Minas Gerais, Brazil, and other occurrences. American Mineralogist, 91, 1932-1936.
  • Paraíba
    • Borborema mineral province
      • Picuí
[Dufrénite] Sergio Varvello collection
  • Yukon
    • Dawson mining district
[Matioliite] XRD and EDS analyses by Dr Anthony Kampf, Los Angeles County Museum of Natural History, 27 January 2017; Petrov, Alfredo (2017) A new species for Canada. Mineral News, 33, #4, 15.
  • Antofagasta Region
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
[Natrodufrénite] XRD by Gerhard Möhn, SEM-EDS by Stefan Diller
    • El Loa Province
      • Calama
        • Chuquicamata District
[Natrodufrénite] maurizio dini collection - analysed material
  • Atacama Region
    • Chañaral Province
      • Diego de Almagro
        • El Salvador district
[Natrodufrénite] maurizio dini collection - analysed material
  • Tarapacá Region
    • El Tamarugal Province
      • Collahuasi District
[Natrodufrénite] Sulphides analysed by geology dep. of company; sulphates, phosphates, analysed by Bob Jenkins (Usa) 2007
Czech Republic
  • Central Bohemia Region
    • Beroun (Beraun)
      • Svatá Dobrotivá (St Benigna)
[Dufrénite] A. Tomwek
    • Kutná Hora (Kuttenberg)
[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)
[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
[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)
[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)
[Natrodufrénite] Škoda, R., Rus, P.: Revize dufrenitu z Poniklé. Minerál, 2010, roč. 18, č. 2, s. 119-123.
  • Pardubice Region
[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)
[Dufrénite] Weber, A.: Fosfáty z pegmatitů jz. Čech. Rozpravy II. třídy České akademie, 1948, roč. 58, č. 1.
    • Rokycany (Rokitzan; Rokytzan)
[Dufrénite] Janouš, F.: Minerály z Kněží hory u Těškova (okres Rokycany), Minerál, 1995, roč. 3, č. 6, s. 367-369.
  • South Bohemia Region
    • Písek
[Natrodufrénite] Sejkora J., Cícha J., Jebavá I.: Minerální asociace fosfátů z Čížové u Písku (Česká republika). Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2011, 19, 1, 1-26.
  • Vysočina Region
    • Pelhřimov District
      • Černovice
[Natrodufrénite] Vrtiška L, Sejkora J, Malíková R, Kadlec T (2017) Revize a nové nálezy fosfátů na historickém nalezišti Černovice u Tábora (Česká republika). Bull Mineral Petrolog 25(2)
    • Žďár nad Sázavou District
      • Křižanov
[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.
  • Auvergne-Rhône-Alpes
    • Allier
      • Ébreuil
        • Échassières
          • Beauvoir quarry
[Dufrénite] Chollet Pascal collection
[Dufrénite] Pierre Le Roch & Jean-Marc Johannet collections
[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
    • Finistère
      • Scaër
[Dufrénite] Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 85.
    • Morbihan
      • Plumelin
[Dufrénite] Pierre Le Roc'h & Jean-Marc Johannet collections
      • Rochefort-en-Terre
[Natrodufrénite] Bull.Mineral. (1982): 105, 321-326.
  • Nouvelle-Aquitaine
    • Creuse
      • Soumans
        • Montebras
[Dufrénite] Patureau, J., Chiappero, P-J. & Lebocey, J. (2011): Mines et minéraux de Montebras, Soumans, Creuse. Le Règne Minéral. 99, 5-33
    • Deux-Sèvres
      • La Chapelle Largeau
[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
[Natrodufrénite] Jean-Marc Johannet collection (unpublished SEM-EDS analyses by Vincent Bourgouin)
    • Haute-Vienne
[Dufrénite] Brongniart A: Tab. Espèces Min.(1833) p. 20
      • Bessines-sur-Gartempe
      • Razès
        • Chanteloube
          • Vilatte Quarries (La Vilate)
[Dufrénite] Boisson, J. M. (1988) - Les monts d'Ambazac, Le Cahier des Micromonteurs, (2), 3-33. F-X Chatenet, J.M. Boisson, F.Husson, J.Patureau, J.Lebocey. Minéralogie des pegmatites des Monts d'Ambazac. Le Règne Minéral HS 2008
[Dufrénite] Guide geologique de la Haute Vienne, musee municipal de Limoges, Limoges, 1967
      • Saint-Sylvestre
  • Occitanie
    • Aveyron
      • La Capelle-Bleys
[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
    • Pyrénées-Orientales
[Dufrénite] Berbain,C., Riley, T., Favreau, G., (2012): Phosphates des pegmatites du massif des Albères (Pyrénées-Orientales). Le Cahier des Micromonteurs. 117, 121-172
        • Collioure (Cotlliure)
[Dufrénite] BERBAIN. C, RILEY. T, FAVREAU. G, (2012) Phosphates des pegmatites du massif des Albères. Ed Association Française de Microminéralogie
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
[Dufrénite] Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Tröstau
          • Leupoldsdorf
    • Lower Bavaria
      • Zwiesel
        • Rabenstein
[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
[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)
[Dufrénite] Dana 7:II:772,803,960.
      • Bärnau
[Dufrénite] Laubmann, H., and Steinmetz, H. (1920): Zeitschrift für Krystallographie und Mineralogie 55, 523-586
      • Pleystein
[Dufrénite] Dill, H.G., Weber, B. (2009), Pleystein-City on Pegmatite, 4th International Symposium on Granitic Pegmatites, Recife, Brazil.
      • Waidhaus
        • Hagendorf
  • Hesse
    • Wetzlar
      • Waldgirmes
[Dufrénite] Dana 6: 797, 823; Dana 7:II:874, 960.
      • Weilburg
        • Essershausen
[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
[Dufrénite] D. Pawlowski: "Mineralfundstellen im Sauerland", Weise (Munich), 1991
    • Siegerland
      • Siegen
        • Eiserfeld
[Dufrénite] Wittern: "Mineralfundorte in Deutschland", 2001
  • Rhineland-Palatinate
    • Hunsrück
      • Bernkastel-Kues
        • Kleinich
[Dufrénite] Marcus Voigt Collection
    • Siegerland
      • Betzdorf
        • Brachbach
[Dufrénite] Hucko, S. (2010): Phosphatparagenesen auf Brauneisensteingängen am Windhahn. Mineralien-Welt 21 (2), 14-25.
      • Herdorf
        • Dermbach
[Dufrénite] Hucko, S. (2010): Phosphatparagenesen auf Brauneisensteingängen am Windhahn. Mineralien-Welt 21 (2), 14-25.
[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
[Dufrénite] Weiss: "Mineralienfundstellen, Deutschland West", Weise (Munich), 1990
      • Wied Iron Spar District
        • Altenkirchen
          • Bürdenbach
[Dufrénite] Weiss: "Mineralienfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony-Anhalt
    • Harz
      • Blankenburg
        • Hüttenrode
[Dufrénite] Schaarschmidt, H. (2014). Bergbau Hüttenrode, Harz: Kristalldrusen im Eisenerz. Lapis, vol.39, H.4, pp.19-23.
  • Saxony
    • Erzgebirge
      • Ehrenfriedersdorf
[Natrodufrénite] Wittern: "Mineralfundorte in Deutschland", 2001
    • Oberlausitz
      • Görlitz
        • Rengersdorf
[Dufrénite] T. Witzke & T. Giesler (1993): Dufrenit und Opal von Rengersdorf/Lausitz.- Mineralien-Welt 4 (5), 14
    • Vogtland
      • Oelsnitz
        • Hartmannsgrün
[Dufrénite] Pestel, S., Graichen, R. (2012) Die Dufrénite der Thekla-Fundgrube zu Hauptmannsgrün. Mineralienwelt, 23(5), 18-23.
      • Reichenbach
        • Neumark
          • Hauptmannsgrün
[Dufrénite] U. Ludwig, Chemnitz
  • Thuringia
    • Bad Lobenstein
[Dufrénite] Wittern: "Mineralfundorte in Deutschland", 2001
    • Vogtland
      • Hirschberg
        • Ullersreuth
[Dufrénite] Witzke, T., Rüger, F., Martin, M., Graf, J., and Baum, M. (2001): Ullersreuth, ein traditionelles thüringisches Bergbaugebiet. Lapis 26(12), 13-27.
[Dufrénite] Witzke, T., Rüger, F., Martin, M., Graf, J., and Baum, M. (2001): Ullersreuth, ein traditionelles thüringisches Bergbaugebiet. Lapis 26(12), 13-27.
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium; Lavreotiki Municipality)
[Dufrénite] Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).
        • Agios Konstantinos [St Constantine] (Kamariza)
  • Borsod-Abaúj-Zemplén Co.
    • Bükk Mts
      • Bükkszentkereszt
[Natrodufrénite] collector: Regina Körmendy, XRD: Béla Fehér, WDS: Norbert Zajzon
  • Heves Co.
    • Mátra Mts
      • Gyöngyössolymos
[Dufrénite] Körmendy Regina (2011): A Cseternás-bérci és Szén-pataki ércesedés nyomon követése (2011. augusztusi, októberi és novemberi kutatások eredményei). Lelőhely 2011/VII. p.8-18
  • Liguria
    • Savona Province
[Natrodufrénite] Bruno Marello collection
[Natrodufrénite] Marco Ciriotti 2010
[Natrodufrénite] Balestra C. (2009): Sistematica ligure 2009. Prie, 5, 97-100.
  • Sardinia
    • Carbonia-Iglesias Province
      • Domusnovas
        • Oridda
[Dufrénite] Stara P., Rizzo R. and Tanca G. (1996): Iglesiente e Arburese. Miniere e minerali. E.M.Sa. Ed., pagg. 105-106.
      • Fluminimaggiore
        • Oridda Valley
[Dufrénite] Fadda, A.F.(1989): Sardegna pietre dure e minerali. CO.EDI.SAR. Cagliari
  • Honshu Island
    • Kanto Region
      • Ibaraki Prefecture
        • Kasumigaura City
          • Chiyoda-machi
[Dufrénite] Matsubara, S. & Kato, A. (1980) Koubutsugaku Zasshi, 14, 269-286.
  • Fianarantsoa Province
    • Amoron'i Mania Region
      • Ambatofinandrahana District
        • Mandrosonoro Commune
[Dufrénite] Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p.32
  • Durango
    • Mun. de Rodeo
      • Rodeo
        • Abasolo
[Dufrénite] Michael Shannon specimens
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
[Dufrénite] GAUDEFROY, C. (1955) Description provisoire des espèces minérales du Maroc - IV. Notes Serv. géol. Maroc, 125, 154-155
  • Marrakech-Safi Region
    • Rehamna Province
      • Jebilet Mtn (Djebilet Mtn)
[Dufrénite] Fontan, F. (1978) : Etude minéralogique et essais expérimentaux sur les phosphates de fer et de manganèse des pegmatites des Jebilet (Maroc) et des Pyrénées (France), PhD thesis, Toulouse, 272 p.
  • Erongo Region
    • Dâures
[Dufrénite] Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
[Dufrénite] Der Aufschluss 36:117-119
    • Karibib
      • Okatjimukuju Farm 55 (Friedrichsfelde Farm)
[Dufrénite] P. Keller and O. von Knorring, Eur. J. Mineral. , 1989, 1, pp. 567-593.
  • Oshikoto Region (Otjikoto Region)
    • Tsumeb
  • Lower Silesia (Dolnośląskie)
    • Sudetes Mts
      • Sowie Mts
        • Michałkowa (Michelsdorf)
[Dufrénite] Pieczka, A., Włodek, A., Gołębiowska, B., Szełęg, E., Szuszkiewicz, A., Ilnicki, S., Nejbert, K., Turniak, K. (2015): Phosphate-bearing pegmatites in the Góry Sowie Block and adjacent areas, Sudetes, SW Poland. 7th International Symposium on Granitic Pegmatites, PEG 2015 Książ, Poland. Abstracts: 77-78
    • Świdnica District
[Dufrénite] Włodek, A., Grochowina, A., Gołębiowska, B., Pieczka, A. (2015): A phosphate-bearing pegmatite from Lutomia and its relationships to other pegmatites of the Góry Sowie Block, southwestern Poland. Journal of Geosciences: 60: 45-72
  • Guarda District
    • Gouveia
      • Folgosinho
[Dufrénite] Alves, P (2016). Folgosinho: Fosfatos secundarios de la mina Sitio do Castelo. Revista de Minerales 2015/2, 6-27. (in Spanish).
  • Viana do Castelo District
    • Ponte de Lima
      • Cabração
[Dufrénite] Pedro Alves collection
    • Viana do Castelo
[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
[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
[Natrodufrénite] Identified in Rebentão Mine
    • Mangualde
[Dufrénite] Rewitzer, C. and Röschl, N. (1984) Portugal. Lapis, 9(12).; van den Berg, W. (1992) Enkele vermaarde mineralenvindplaatsen in Midden-Portugal. Gea, 1992(1), 38-39 (in Dutch).
    • São Pedro do Sul
      • Manhouce
[Dufrénite] Pedro Alves collection and/or information
[Dufrénite] Pedro Alves collection
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
[Gayite] Pedro Alves collection and analytical data
    • Vila Nova de Paiva
      • Queiriga
        • Lagares do Estanho Mines
[Natrodufrénite] Nuno Afonso collection
  • Brașov Co.
    • Racoş Commune
[Dufrénite] Szakáll, S., Kristály, F., 2010. Mineralogy of Székelyland, Eastern Transylvania, Romania. Sfântu Gheorghe-Miercurea Ciuc-Târgu Mureş. 2010.
  • Harghita Co.
    • Odorheiu Secuiesc (Székelyudvarhely; Oderhellen)
      • Racoş (Racoşu de Jos)
[Dufrénite] Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
[Dufrénite] Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp
  • Southern Province
    • Gitarama
[Dufrénite] Royal Museum for Central Africa, Belgium Collection, # 9915
  • Western Province
    • Gatumba District
[Burangaite] von Knorring, O., Lehtinen, M., and Sahama, T.G. (1977) Burangaite, a new phosphate mineral from Rwanda. Bulletin of the Geological Society of Finland: 49: 33-36.; Daltry, V.D.C. and von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15.; HB4 (2000)(?);
South Africa
  • Northern Cape Province
    • Namakwa District (Namaqualand)
[Dufrénite] Minerals of South Africa
  • Western Cape Province
    • Cape Town
      • Hout Bay
[Dufrénite] Minerals of South Africa
  • Castile-La Mancha
    • Ciudad Real
      • Minas de Horcajo
[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
    • Salamanca
      • Golpejas-Vega de Tirados
        • Golpejas Mining group
[Dufrénite] Calvo, M. (2015): Minerales y Minas de España. Vol. VII, Fosfatos, arseniatos y vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 479 pp.
    • Zamora
      • Villar del Buey
[Natrodufrénite] Robles, E. R., Fontan, F., Pesquera Pérez, A., & Keller, P. (1998). The Fe-Mn phosphate associations from the Pinilla de Fermoselle pegmatite, Zamora, Spain: occurrence of kryzhanovskite and natrodufrénite. European Journal of Mineralogy, 155-168.
  • Catalonia
    • Barcelona
      • Baix Llobregat
[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
[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
[Natrodufrénite] Viñals, J. and Calvo, M. (2011). Secondary phosphates of La Paloma mine, Zarza la Mayor, Cáceres, Spain. Mineral Up 2 (5), 8-31.
  • Norrbotten
    • Kiruna
      • Kiruna district
        • Svappavaara
[Dufrénite] No reference listed
      • Kiruna town
[Dufrénite] No reference listed
  • Värmland
    • Torsby
[Burangaite] Ek, R. and Nysten, P.E. (1990) Phosphate mineralogy of the Hålsjöberg and Hökensås kyanite deposits. Geologiska Föreningens I Stockholm. Förhandlingar, Stockholm: 112: 9-18.; Daltry, V.D.C. and von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15 (referring to Ek and Nysten, 1990).
  • England
    • Cornwall
      • Linkinhorne
        • Minions
[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.; Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
[Dufrénite] Kinch, E., Butler, F.H., and Miers, H.A. (1886) On a new variety of mineral from Cornwall. Mineralogical Magazine, vol. 7, n° 33, 65-70.; Kinch, E. (1888) On dufrenite from Cornwall. Mineralogical Magazine, vol. 8, n° 37, 112-115.; Frondel, C. (1949) The dufrenite problem. American Mineralogist, vol. 34, p. 513-540.; Kingsbury, A.W.G. (1957) Rockbridgeite from Cornwall and Devon. Mineralogical Magazine, vol. 31, n° 236, 429-430.
[Dufrénite] P D Trebilcock.
      • Treverbyn
        • Stenalees
[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
      • Allerdale
        • Caldbeck
          • Coombe Height
[Dufrénite] Hartley, J. (1984) A list of minerals associated with the ore deposits of the Caldbeck Fells, Cumbria. Transactions of the Leeds Geological Association, 10(3), 22-39.; Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp. (referring to Hartley, 1984).
[Dufrénite] Cooper, M.P. and Stanley, C.J. (1991) Famous Mineral Localities: Pyromorphite Group Minerals from the Caldbeck Fells, Cumbria, England. Mineralogical Record, 22(2), 105-121.
    • Devon
      • West Devon
        • Gulworthy
[Dufrénite] Kingsbury, A.W.G. (1957) Rockbridgeite from Cornwall and Devon. Mineralogical Magazine, vol. 31, n° 236, 429-430.
  • Alabama
    • Cherokee Co.
[Dufrénite] Rob Lavinsky
[Dufrénite] Barwood, H. & Hajek, B. (1978): Notes of Some New Occurences in Alabama. Mineralogical Record. 9: 388-391; Min.Rec.:20(5):361.
[Dufrénite] Mineralogy of Alabama Geol Surv Ala. Bull 120
      • Rock Run
        • 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. (1978): Notes of Some New Occurences in Alabama. Mineralogical Record. 9: 388-391
[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
[Natrodufrénite] Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 6.
  • Arkansas
    • Polk Co.
[Dufrénite] Rocks and Minerals, (1988) 63:104-125
      • Shady
[Dufrénite] Rocks & Min.:64:297-298.
      • Three Oaks Gap
[Dufrénite] Rocks & Minerals: 63: 120.
  • Georgia
    • Burke Co.
      • Girard District
[Dufrénite] Jason Smith & M.E. Ciriotti (2005) []
    • Polk Co.
[Dufrénite] Rocks & Minerals 54:4 pp161-165
  • Missouri
    • Crawford Co.
      • Missouri Brown Iron Belt
[Dufrénite] Dana 6: 1083.
      • Steelville
[Dufrénite] R&M 73:2 pp 98-117
  • Nevada
    • Eureka Co.
      • Carlin Trend
        • Maggie Creek Subdistrict
[Matioliite] Am. Min. 91, 1932-1936 (2006)
    • Humboldt Co.
      • Buffalo Mountain District
[Dufrénite] NBMG Spec. Pub. 31 Minerals of Nevada
[Dufrénite] Rocks & Minerals, Nov. 1999
    • Pershing Co.
      • Humboldt Range
        • Willard District
[Dufrénite] [MinRec 32:297]
  • New Hampshire
    • Grafton Co.
      • Alexandria
[Dufrénite] Rocks & Min.: 17:250.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
      • Groton
[Dufrénite] Meyers & Stewart (1956) Geology of New Hampshire, part III.
[Dufrénite] Rocks & Min.: 16:208-211.; Mineralogical Record (1973) 4:103-130; USGS Prof Paper 255; USGS Prof Paper 353
    • Hillsborough Co.
      • Deering
[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
[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.
[Dufrénite] Northrup, Minerals of New Mexico, 3rd Rev. Ed., 1996
        • Santa Rita
[Dufrénite] Min Rec 26:5 p483; Mineralogical Magazine 60:787-793.; Rocks & Minerals 84:492-500
[Dufrénite] Minerals of New Mexico 3rd ed.
    • Sandoval Co.
[Dufrénite] Minerals of New Mexico 3rd ed.
[Dufrénite] Minerals of New Mexico 3rd ed.
  • North Carolina
[Dufrénite] Genth,F.A and Kerr,W.C,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey
    • Cleveland Co.
      • Kings Mountain District
[Dufrénite] Wilson,W.F and Mckenzie,B.J ,1978, Mineral Collecting Sites in North Carolina,Information Circular 24
[Dufrénite] Jason Smith collection, Steve Adams collection Kesler,T.L.,1942,The Tin-Spodumene Belt Of The Carolinas:USGS Bulletion No.936-J
  • South Dakota
    • Custer Co.
      • Custer District
        • Custer
[Dufrénite] Loomis, T. (2011), "News from the Black Hills, South Dakota", Mineral News, in press
        • Fourmile
[Dufrénite] Rocks & Minerals: 60: 117.
    • Lawrence Co.
      • Bald Mountain District
[Dufrénite] Loomis, T. (2011), "News from the Black Hills, South Dakota", Mineral News, in press
    • Pennington Co.
      • Hill City District
[Dufrénite] USGS Bull 380D
      • Keystone District
        • Keystone
[Dufrénite] Rocks & Minerals: 67(6): 380-388.
[Dufrénite] USGS Prof Paper 297B
  • Tennessee
    • Wayne Co.
      • Iron City
[Dufrénite] Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
  • Texas
[Dufrénite] Edwin B, Eckel (1938) The Brown Iron Ores of East Texas. USGS Bull. 902: 127-128 Arthur E. Smith (2009) The Mineralogy of Texas. Unpublished manuscript.
  • Virginia
    • Rockbridge Co.
      • Lyndhurst-Vesuvius District
[Dufrénite] Kearns, L. E. and Penick, D. A. (1989): The Dixie Mine, Rockbridge County, Virginia. Rocks and Minerals, 64, 42-45. (also see Rocks & Min.:57:20-22 & 60:168); Watson(1907).
      • Midvale
        • South Mountain
[Dufrénite] Rocks&Min. 47:594 (1972)
[Dufrénite] Cannon, B. (1975): Minerals of Washington, p.83
Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © and the Hudson Institute of Mineralogy 1993-2018, except where stated. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 18, 2018 11:15:19 Page generated: October 1, 2018 18:43:00
Go to top of page