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Sepiolite Group

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About Sepiolite GroupHide

Related to the palygorskite group.


Relationship of Sepiolite Group to other SpeciesHide

Group Members:
Falcondoite (Ni,Mg)4Si6O15(OH)2 · 6H2OOrth.
Ferrisepiolite (Fe3+,Fe2+,Mg)4((Si,Fe3+)6O15)(O,OH)2 · 6H2OOrth. mmm (2/m 2/m 2/m)
Loughlinite Na2Mg3Si6O16 · 8H2OOrth.
Sepiolite Mg4(Si6O15)(OH)2 · 6H2OOrth. mmm (2/m 2/m 2/m) : Pnna

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 Sepiolite GroupHide

Localities for Sepiolite 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.
Argentina
 
  • Río Negro Province
    • Valcheta department
      • Aguada Cecilio
[Sepiolite] Hayase, K., Manera, T. & Maiza, P.J. (1970): Sepiolite found in a calcareous rock deposit of the Cantera Cecchi Mine, Rio Negro Province, Argentina. The Journal of the Japanese Association of Mineralogists. 63 (3), 95-108
Atlantic Ocean
 
  • Mid-Atlantic Ridge complex
    • Ashadze hydrothermal area
[Sepiolite] Ayupova, N. R., Melekestseva, I. Y., Maslennikov, V. V., Tseluyko, A. S., Blinov, I. A., & Beltenev, V. E. (2018). Uranium accumulation in modern and ancient Fe-oxide sediments: Examples from the Ashadze-2 hydrothermal sulfide field (Mid-Atlantic Ridge) and Yubileynoe massive sulfide deposit (South Urals, Russia). Sedimentary Geology, 367, 164-174.
Australia
 
  • New South Wales
    • Wentworth Co.
      • Wentworth
        • Nampoo Station
[Sepiolite] Segnit, E. R. (1973). Minerals from the Murray River region west of Wentworth, NSW, Australia. Memoirs of the National Museum of Victoria, Melbourne, (34), 195.
  • Queensland
[Sepiolite] No reference listed
    • Mount Isa City Shire
      • Mount Isa
[Sepiolite] Sielecki, R. (1988) The Mount Isa-Cloncurry mineral field. Mineralogical Record, Vol. 19, pg. 469-490.
[Sepiolite] Updated list originally distributed by University of Queensland
[Sepiolite] part of list University of Queensland
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
[Sepiolite] www.crocoite.com (Steve Sorrell) and refs therein
  • Tasmania
    • King Island municipality
      • King Island
        • Grassy
[Sepiolite]
    • Waratah-Wynyard municipality
      • Heazlewood district
[Falcondoite] Bottrill, R. S. & Baker, W.E. (2008): A Catalogue of The Minerals of Tasmania. Tasmanian Gelogical Survey Bulletin 73, 254 p
  • Western Australia
    • Leonora Shire
      • Linden Goldfield
[Sepiolite] Graham, J.L. (2003), Red October Gold Deposit, CRC LEME, 2003
    • Wiluna Shire
      • Mount Keith
[Sepiolite] Grguric, B.A. (2003) Minerals of the MKD5 nickel deposit, Mount Keith, Western Australia. Australian Journal of Mineralogy, Vol. 9, No.2 pp.55-71.
Austria
 
  • Carinthia
    • Friesach - Hüttenberg area
      • Hüttenberg
[Sepiolite] G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Gurktaler Alpen
      • Radenthein
        • Millstätter Alpe
[Sepiolite] Pichler (2009)
  • Lower Austria
    • Mostviertel
      • Dunkelstein Forest
        • Dunkelsteinerwald
          • Gansbach
[Sepiolite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Waldviertel
      • Brunn an der Wild
        • St Marein
[Sepiolite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993); Helmut Pristacz PXRD analysis 8/09
      • Lichtenau im Waldviertel
[Sepiolite] Pristacz, H., Kolitsch, U., Löffler, E. & Knobloch, G. (2009): 1594) Dravit und Sepiolith aus dem Steinbruch Malaschofsky bei Lichtenau, WSW Gföhl, Waldviertel, Niederösterreich. P. 214 in: Niedermayr, G. et al. (2009): Neue Mineralfunde aus Österreich LVIII. Carinthia II, 199/119, 189-236.
      • Pölla
        • Altpölla
[Sepiolite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
      • Straß im Straßertale
[Sepiolite] SIGMUND, Alois (1937a): Die Minerale Niederösterreichs.- 2. Aufl., XI + 247 S., Wien - Leipzig (Deuticke).
      • Waldkirchen an der Thaya
[Sepiolite] Huber, S., Huber, P. (1977): Mineralfundstellen. Band 8: Oberösterreich, Niederösterreich und Burgenland. - 271 p., München - Innsbruck (Christian Weise, Pinguin).
  • Salzburg
    • Hohe Tauern
      • Stubach valley
[Sepiolite] Strasser, A. (1989): Die Minerale Salzburgs. Salzburg. 346p
    • Lungau
      • Taurach valley
        • Mauterndorf
          • Mauterndorf quarries
[Sepiolite] Steinwender, C., Brandstätter, F., Kolitsch, U. & Niedermayr, G. (2012): 1757) Millerit und Sepiolith sowie Fluorit in mehreren Generationen aus dem Steinbruch Mauterndorf im Lungau. Pp. 160-161 in Niedermayr, G. et al. (2012): Neue Mineralfunde aus Österreich LXI. Carinthia II, 202./122., 123-180.
  • Styria
    • Bruck an der Mur
      • Laming valley
        • Oberdorf an der Laming
[Sepiolite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Fischbacher Alpen
      • St. Jakob-Breitenau
        • Hochlantsch
[Sepiolite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Graz
      • Wildon
        • Weitendorf
[Sepiolite] peter neschen collection
    • Knittelfeld
      • St Lorenzen bei Knittelfeld
[Sepiolite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Leoben
      • Galgenberg
[Sepiolite] Annalen 1999, p.11-22
      • Kraubath an der Mur
[Sepiolite] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Neuberg an der Mürz
      • Arzbach (Arzbachleiten)
[Sepiolite] Hackenberg 2003
    • Niedere Tauern
      • Hohentauern
        • Sunk
[Sepiolite] MEIXNER, H. (1963): Neue Mineralfunde in den österreichischen Ostalpen XVIII. Carinthia II, 153./73., 124-135.; Aufschluss 1972(SB), 21-26
  • Upper Austria
    • Steyr-Land
[Sepiolite] peter neschen collection
Brazil
 
  • Amazonas
    • Presidente Figueiredo
      • Pitinga mine
[Sepiolite] A. C. Bastos Neto, V. P. Pereira, L. H. Ronchi, E. F. de Lima and J. C. Frantz (2009): The world-class Sn, Nb, Ta, F (Y, REE, Li) deposit and the massive cryolite associated with the albite-enriched facies of the Madeira A-type granite, Pitinga mining district, Amazonas State, Brazil. Canadian Mineralogist 47, 1329-1357.
  • Goiás
    • Barro Alto
[Sepiolite] Ratié, G., Jouvin, D., Garnier, J., Rouxel, O., Miska, S., Guimarães, E., ... & Thil, F. (2015). Nickel isotope fractionation during tropical weathering of ultramafic rocks. Chemical Geology, 402, 68-76
Canada
 
  • Manitoba
    • Bird River area
[Sepiolite] C. J. A. Coats and R. Buchan (1979) Petrology of serpentinized metamorphic olivine, Bird River Sill, Manitoba Can Mineral, 17:847-855
  • Ontario
    • Haliburton Co.
      • Cardiff Township
[Sepiolite] Sabina, A. P. (1982): Some rare minerals of the Bancroft area. Mineralogical Record 13, 223-228
      • Monmouth Township
[Sepiolite] geological survey of canada misc report 39; geological survey of canada economic geology report 29
    • Sudbury District
      • Levack Township
[Sepiolite] Springer (1989) Canadian Mineralogist 27, 311-313
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
[Sepiolite] Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
  • Saskatchewan
[Sepiolite] Shang, Y. (2000). Mineralogy, lithostratigraphy and geochemistry of North Ingebright Lake, Saskatchewan, Canada. PhD thesis University of Manitoba.
Chile
 
  • Atacama
    • Copiapó Province
      • Quebrada San Miguel
[Sepiolite] XRD by Joachim Lorenz
China
 
  • Anhui
    • Chuzhou
      • Quanjiao Co.
[Sepiolite] Wenguang Li (1997): Jilin Geology 16(4), 22-25; Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
  • Henan
    • Nanyang
[Sepiolite] Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
[Sepiolite] Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
    • Sanmenxia
[Sepiolite] Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
  • Hunan
    • Changsha
[Sepiolite] Yongzhang Zhou, Shuanbin Wang, and Jiakuan Bao (1993): Geology and Prospecting 29(12), 24-28
        • Yonghe
[Sepiolite] Wenguang Li (1997): Jilin Geology 16(4), 22-25; Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
  • Inner Mongolia
    • Baotou League (Baotou Prefecture)
      • Bayan Obo mining district
        • Bayan Obo
[Ferrisepiolite] Qingchang Meng (1981): Geology and Prospecting 17(3), 10-17
  • Jiangsu
    • Huai'an
      • Xuyi Co.
[Sepiolite] Wenguang Li (1997): Jilin Geology 16(4), 22-25; Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
  • Jiangxi
    • Jingdezhen
      • Leping Co.
[Sepiolite] Sakamoto, S., Ando, T., and Otsuka, R. (1988): Nendo Kagaku 28(3), 134-142; Wenguang Li (1997): Jilin Geology 16(4), 22-25
  • Qinghai
    • Hainan
      • Xinghai Co.
[Ferrisepiolite] Xiangping Gu, Xiande Xie, Xiangbin Wu, Jianqing Lai, Hoshino Kenich, and Guchang Zhu (2010): CNMNC Newsletter 7, 30
    • Haixi
      • Mangnai Co. (Mangya Co.)
[Sepiolite] Chang Xu (1985): Scientia Geologica Sinica 1(1), 87-96
  • Shaanxi
    • Hanzhong
      • Ningqiang Co.
[Sepiolite] Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
  • Sichuan
    • Liangshan
      • Dechang Co.
[Sepiolite] Liu, Y., Zhu, Z., Chen, C., Zhang, S., Sun, X., Yang, Z., & Liang, W. (2015). Geochemical and mineralogical characteristics of weathered ore in the Dalucao REE deposit, Mianning–Dechang REE Belt, western Sichuan Province, southwestern China. Ore Geology Reviews, 71, 437-456.
    • Ya'an
      • Shimian Co.
[Sepiolite] Industrial Minerals and Processing 33(12), 8-11 (2003).
  • Tibet
    • Ngari
      • Gê'gyai Co. (Geji Co.)
[Sepiolite] Chang Xu (1985): Scientia Geologica Sinica 1(1), 87-96
  • Yunnan
    • Chuxiong
[Sepiolite] Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
    • Wenshan
      • Malipo Co.
[Sepiolite] Kaiji Yu (1981): Geology and Prospecting 17(1), 19-25 (in Chinese).
  • Zhejiang
    • Hangzhou
[Sepiolite] Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
Colombia
 
  • Córdoba Department
    • Montelíbano
[Sepiolite] Econ Geol (2004) 99:1197-1213; Lopez-Rendon, J. E. (2015). Geology, mineralogy and geochemistry of the Cerro Matoso nickeliferous laterite, Córdoba, Colombia (Doctoral dissertation, Colorado State University. Libraries).
Czech Republic
 
  • Central Bohemian Region
    • Kutná Hora District
[Sepiolite] Pauliš P. Mineralogické lokality okolí Kutné Hory. Kuttna 1999, Kutná Hora. p. 14-16.
      • Zruč nad Sázavou
[Sepiolite] Pauliš, P.: Sametka z Vlastějovic u Zruče nad Sázavou. Minerál, 2002, roč. 10, č. 1, s. 7 – 8.
  • South Bohemian Region
    • Český Krumlov District
      • Frymburk
        • Černá v Pošumaví (Schwarzbach im Böhmerwald)
[Sepiolite] Zikeš J., Welser P.: Nové nálezy minerálů v lomu Vápenný vrch. Minerál, 2011, 19, 1, 9-11.
  • South Moravian Region
    • Blansko District
      • Letovice
[Sepiolite] Ulrych, J.: Stichtit z hadcového tělesa od Slatinky u Letovic. Časopis pro mineralogii a geologii, 1966, roč. 11, č. 3, s. 311-315.
    • Brno-Country District
      • Oslavany
        • Nová Ves
[Sepiolite] Koníčková Š., Losos Z., Hrazdil V., Houzar S., Všianský D. (2016): Mineralogie „očkových“ opálů z Nové Vsi u Oslavan (moldanubikum, Český masív). Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze 24, 1: 144-158.
[Sepiolite] Houzar, S., Novák, M., Doležalová, H., Hrazdil, V., Pfeiferová, A.: Přehled mineralogie, petrografie a geologie nedvědických mramorů, svratecké krystalinikum. Acta Musei Moraviae, Sci. geol., 2006, roč. 91, s. 3-77.
  • Vysočina Region
    • Žďár nad Sázavou District
      • Bystřice nad Pernštejnem
[Sepiolite] Pelíšek, J.: Nové minerály ze serpentinitu od Věchnova u Bystřice nad Pernštejnem. Časopis pro mineralogii a geologii, 1988, roč. 33, č. 2, s. 204.
[Sepiolite] Helmut Pristacz jr. PXRD analysis 8/09 (specimen in doubles collection in NHM Vienna)
Denmark
 
  • Greenland
    • Kujalleq
      • Narsaq
[Sepiolite] Semenov, E. (2001): Notes on Ephesite, Terskite, Na-Komarovite, Ceriopyrochlore-(Ce), Joaquinite-(Ce) and other minerals from the Ilimaussaq alkaline complex, South Greenland, Geology of Greenland Survey Bulletin 190, 123-125; Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
    • Sermersooq
[Sepiolite var: Gunnbjarnite] American Mineralogist 37:1070-1071
Dominican Republic
 
  • La Vega Province
    • Bonao
[Falcondoite] Villanova-de-Benavent, C., Proenza, J. A., Galí, S., Nieto, F., García-Casco, A., Roqué-Rosell, J., ... & Lewis, J. F. (2014). Mineralogy of Niphyllosilicates in the Falcondo Nilaterite deposit (Dominican Republic): A multiscale approach. In Proceedings ot the twenty first meeting of the International Mineralogical Association IMA (Vol. 298).
  • Monseñor Nouel Province
    • Bonao
[Falcondoite] Springer, G. (1976): Falcondoite, nickel analogue of sepiolite. The Canadian Mineralogist, 14, 407-409.
France
 
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Brioude
        • Vieille-Brioude
[Sepiolite]
    • Rhône
      • Tarare
        • Le Breuil
[Sepiolite] G. Demarcq, 1973, "Guides Géologiques Régionaux : Lyonnais, Vallée du Rhône" , p. 49, Masson.
  • Centre-Val de Loire
    • Cher
      • Bourges
[Sepiolite] The Quincyte pigments: fossil quinones in an Eocene clay mineral. W.G. Prowse, K.I. Arnot, J.A. Rechka, R.H. Thomson and J.R. Maxwell. Tetrahedron 47, 1991, 1095-1108. K.I.
  • Grand Est
    • Marne
      • Champigny
[Sepiolite] "Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
  • New Caledonia
    • Northern Province
      • Kouaoua Commune
[Sepiolite] Manceau, A., Calas, G., & Decarreau, A. (1985). Nickel-bearing clay minerals: I. Optical spectroscopic study of nickel crystal chemistry. Clay Minerals, 20(3), 367-387.
  • Provence-Alpes-Côte d'Azur
    • Alpes-Maritimes
[Sepiolite] "Les minéralisations associées au volcanisme andésitique de Biot-Villeneuve Loubet (Alpes Maritimes)" P. ROSTAN ,2005
Germany
 
  • Baden-Württemberg
[Sepiolite] Weisenberger, Tobias B. & Spürgin, Simon (2014) Hydrothermal phonolite alteration in the Kaiserstuhl Volcanic Complex, Germany. 31st Nordic Geological Meeting, Lund Sweden.
      • Bötzingen
[Sepiolite] Weisenberger, T.B., Spürgin, S., Lahaye, Y. (2014): Hydrothermal alteration and zeolitization oft he Fohberg phonolite, Kaiserstuhl Volcanic Complex, Germany, International Journal of Earth Sciences, Vol. 103 (8). 2273-2300
  • Bavaria
    • Upper Franconia
      • Hof
        • Oberkotzau
          • Wurlitz
[Sepiolite] F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984; Rost, F. (1949): Contributions to Mineralogy and Petrology 1(5/6), 627-688.
        • Zell im Fichtelgebirge
[Sepiolite] F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
      • Kulmbach
        • Kupferberg
[Sepiolite] F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
  • Rhineland-Palatinate
    • Vulkaneifel
      • Gerolstein
        • Roth
[Sepiolite] Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29.
      • Hillesheim
[Sepiolite] Blaß, G. and Kruijen, F. (2015) Neuigkeiten aus der Vulkaneifel (II/2015). Mineralien-Welt, 26(5), 80-90.
  • Saxony
    • Erzgebirgskreis
[Sepiolite] Lapis 30(7/8):78-80 (2005)
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
[Sepiolite] Gunnar Färber specimens
  • South Aegean
    • Milos
[Sepiolite] Gauthier, G. & Albandakis, N. (1991): Minerals of the Seriphos Skarn, Greece. Mineralogical Record 22(4) 303-308
Hungary
 
  • Pest County
    • Szob District
      • Nagybörzsöny
[Sepiolite] Szakáll & Jánosi: Minerals of Hungary, 1995
  • Veszprém County
    • Ajka
      • Úrkút
        • Csárda Hill
[Sepiolite] Szakáll & Jánosi (1996) The Minerals of Hungary
Indonesia
 
  • Sulawesi (Celebes)
    • Sulawesi Selatan Province (South Sulawesi Province)
      • Sorowako (Soroako)
[Falcondoite] Sufriadin, S. (2012). Thermal and Infrared Studies of Garnierite from the Soroako Nickeliferous Laterite Deposit, Sulawesi, Indonesia. Indonesian Journal of Geology, 7(2).
Iran
[Sepiolite] Mirkhani, R., Roozitalab, M.H., Khaleghpanah, N., Rezaei, N., and Teimouri, S. (2010) Physico-chemical characteristics and clay mineralogy composition of selected soils in arid and semiarid regions of Iran. Extended Abstracts – 21st Australian Clay Minerals Conference – Brisbane, August 2010, 151-154.
Israel
 
  • Negev
[Sepiolite] Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
Italy
 
  • Lombardy
    • Sondrio Province
      • Valtellina
        • Malenco Valley
          • Lanterna Valley
            • Lanzada
              • Campo Franscia (Franscia)
[Sepiolite] Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
          • Torre di Santa Maria
            • Torreggio Valley
              • Airale Valley
[Sepiolite] Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
  • Piedmont
    • Metropolitan City of Turin
      • Canavese District
        • Baldissero Canavese
          • Bettolino
[Sepiolite] Glocker, E.F. (1847): Generum et specierum mineralium secundum ordines naturales digestorium synopsis. Halle, 348 pp.;
        • Léssolo
          • Cálea
[Sepiolite] http://www.webmineralshop.com/articoli/brosso_eng.htm
      • Germanasca valley
        • Prali
[Sepiolite] Ciriotti, M.E. & Biagioni, C. (2011): Pot-pourri 2011: identificazioni di minerali di interesse. Micro, 3/2011, 125-133
[Sepiolite] Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Torino province
      • Germanasca valley
        • Prali
[Sepiolite] G.C. Piccoli, G. Maletto, P. Bosio, B. Lombardo. I minerali del Piemonte e della Vall d'Aosta. Ass. Amici del museo "F. Eusebio", Alba, 2007.
  • Trentino-Alto Adige
    • Bolzano-Alto Adige Autonomous Province
      • Passiria Valley (Passeier Valley)
[Sepiolite] Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp.
  • Tuscany
    • Pisa Province
      • Pomarance
[Sepiolite] Orlandi P., (2005). "Geositi minerari e mineralogici della provincia di Pisa" in La geologia della provincia di Pisa. Cartografia, geositi e banche dati, pp. 55-280, Provincia di Pisa, 2005
  • Veneto
    • Vicenza Province
      • Astico Valley
        • Cogollo del Cengio
[Sepiolite] - Zordan A., Boscardin M. "Aggiornamenti nel Vicentino" - Studi e Ricerche - Associazione Amici del Museo , Museo Civico "G.Zannato" Montecchio Maggiore (Vicenza) vol. 13 (2006),pp.35-40
      • Brendola
[Sepiolite] Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
      • Cornedo Vicentino
        • Spagnago
[Sepiolite] Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183; - Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Japan
 
  • Fukuoka
[Sepiolite] Masutomi Museum specimen (Kyoto); 上原誠一郎. (1987). Serpentine minerals from Sasaguri area, Fukuoka Prefecture, Japan. 岩石鉱物鉱床学会誌, 82(3), 106-118.
  • Fukushima
    • Iwaki City
[Sepiolite] Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
[Sepiolite] Yongzhang Zhou, Shuanbin Wang, and Jiakuan Bao (1993): Geology and Prospecting 29(12), 24-28
  • Hokkaidō
[Sepiolite] Dr. Yohachiro Okamoto collection (conserved by the Geological Survey of Japan)
  • Iwate
    • Kamaishi City
[Sepiolite] Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
    • Kunohe-gun
      • Hirono-cho
        • Ono
[Sepiolite] Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
  • Kyoto
    • Yosa District
      • Yosa-mura
[Sepiolite] IMAI, N., & OTSUKA, R. (2000). Department of Mineral Industry, School of Science and Engineering, Waseda University, Tokyo, 160 Japan. Palygorskite-Sepiolite: Occurrences, Genesis and Uses, 37, 211.
  • Miyagi
    • Kurihara
[Sepiolite] Imai, H. (1978) Geological studies of the mineral deposits in Japan and East Asia. p67 (University of Tokyo Press)
  • Saitama
    • Hanno
[Sepiolite] Kato, A. (2010) Mumeikai Group meeting, No. 30.
Kenya
 
  • Kajiado County
[Sepiolite] Hay, R.L., Hughes, R.E., Kyser, T.K., Glass, H.D., Liu, J. (1995) Magnesium-Rich Clays of the Meerschaum Mines in the Amboseli Basin, Tanzania and Kenya. Clays and Clay Minerals, vol. 43:4, 455-466. Stoessell, R.K., Hay, R.L. (1978) The geochemical origin of sepiolite and kerolite at Amboseli, Kenya. Contributions to Mineralogy and Petrology, vol. 65:3, 255-267.
Kosovo
 
  • District of Pristina (District of Prishtina)
[Sepiolite] Ilich, M., & Toshovich, R. (2002). Geology and Origin the Golesh Vein Magnesite Deposit: a Brief Survey.
Madagascar
 
  • Androy
    • Ambovombe-Androy
      • Ampamata
[Sepiolite] Collection de Minéralogie, Le Laboratoire Magmas et Volcans (LMV) , l’Université Clermont-Auvergne, France , item #E-44-21072
    • Bekily
      • Belindo Mahasoa
[Sepiolite] Lautel, R. (1953): Etude géologique de la feuille Bekitro. Travaux du Bureau Géologique (Tananarive): 40: 1-34 + planches
      • Beraketa
[Sepiolite] Lacroix, A. (1941): Les gisements de phlogopite de Madagascar et les pyroxenites qui les renferment. Texte (Extrait du fasicule XI des Annuales Géologiques du Service des Mines). Tananarive. p.95
[Sepiolite] Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871
Malaysia
 
  • Pahang
    • Bukit Selinsing Koyan
[Sepiolite] Syed Hasan, S., Mohd Kusin, F., Jusop, S., & Mohamat Yusuff, F. (2018). Potential of Soil, Sludge and Sediment for Mineral Carbonation Process in Selinsing Gold Mine, Malaysia. Minerals, 8(6), 257.
  • Perak
    • Kinta District
      • Kramat Pulai
[Sepiolite]
Mexico
 
  • Coahuila
    • Cuatrociénegas Municipality
      • Cuatro Ciénegas (Cuatrociénegas de Carranza; Venustiano Carranza)
        • Limestone caves
[Sepiolite] Forti, P. et al. (2006): ACTA CARSOLOGICA 35/1, 79–98.
  • Durango
    • Durango Municipality
      • Victoria de Durango
[Sepiolite] No reference listed
  • Zacatecas
    • Concepción del Oro Municipality
      • Bonanza
[Sepiolite] Panczner (1987): 338.
Morocco
 
  • Drâa-Tafilalet
    • Ouarzazate Province
      • Tazenakht
[Sepiolite] S. Weiß: Lapis 31(7/8), 72-73 (2006)
New Zealand
 
  • Nelson Region
[Sepiolite] Cox, S.H. (1882) Art. XLVII - Notes on the Mineralogy of New Zealand. Transactions and Proceedings of the New Zealand Institute 1882, Vol. XV: 361-410 [Read before the Wellington Philosophical Society, 21 October, 1882].
North Macedonia
 
  • Kavadarci
    • Ržanovo
[Sepiolite] Todor Serafimovski, Blažo Boev, Goran Tasev (2012): SOME QUANTITATIVE ASPECTS OF THE MAJOR TYPES OF ORES AT THE RŽANOVO FE-NI LATERITIC DEPOSIT, R. MACEDONIA. Geologica Macedonica, 26, 21–35.
  • Lipkovo
Hiessleitner, G. (1934): Einbruch von Granit und Andesit in Chromerze führenden Serpentin von Lojane, NNW Kumanovo in Südserbien. Zeitschrift für Praktische Geologie 42, 81-88.
Norway
 
  • Akershus
    • Nittedal
[Sepiolite] Berg, H.-J. & Ødegård, E. (2003): Mineralene i Bjønndalen Bruk. Bergverksmuseets Skrift 25, 23-28
  • Aust-Agder
    • Risør
      • Akland
[Sepiolite] Garmo, T. (2003). Mineralnotat 2002. STEIN 30 (1), 14-16
  • Buskerud
    • Kongsberg
[Sepiolite] Van der Wel, D. (1972): Contribution to the Mineralogy of Norway No. 51. Asbestos minerals from Kongsberg silver deposit. Norsk Geologisk Tidsskrift 52: 287-294; Johnsen, O. (1986): Famous mineral localities: The Kongsberg silver Mines Norway. Mineralogical Record, 17: 19-35
    • Øvre Eiker
      • Gunhildrud
[Sepiolite] Jahren, J.; Berg, H.J.; Hurum, J.H. & Wulff-Pedersen, E. (1998): Nye undersøkelser av amazonitt-genthelvin pegmatitten fra Fiskum, Øvre Eiker. Bergverksmuseets Skrift 14, 13-16
  • Nordland
[Sepiolite] Nordrum, F.S. (2010): Nyfunn av mineraler i Norge 2009-2010. Stein 37 (2), 4-14
  • Oppland
    • Vang
[Sepiolite] "Sigurd Stordal" Collection; Bergen Museum, Norway collection
Poland
 
  • Lesser Poland Voivodeship
    • Chrzanów Co.
      • Gmina Alwernia
[Sepiolite] Eligiusz Szełęg private collection
    • Kraków Co.
      • Gmina Krzeszowice
        • Dębnik-Dubie area
[Sepiolite] Lewandowska A., Rospondek M. 2002: Thaumasite - a rare mineral containing Si(OH)6 2- groups from Dubie (the Dębnik anticline, S Poland). Mineralogia Polonica, vol. 33, no 1, 25-34
[Sepiolite] Eligiusz Szełęg collection
  • Lower Silesian Voivodeship
    • Kamienna Góra Co.
      • Gmina Kamienna Góra
        • Rędziny
[Sepiolite] Domańska, J.: Rędziny. Otoczak, nr. 29, p. 38-52.
    • Świdnica Co.
      • Gmina Marcinowice
[Sepiolite] JANECZEK J., KOZŁOWSKI K., ŻABA J. 1991. ZBIERAMY MINERAŁY I SKAŁY.
Romania
 
  • Caraş-Severin
    • Banat Mts
      • Moldova Nouă-Sasca Cu-Mo ore field
[Sepiolite] www.minerals-of-the-carpathians,2009
Russia
 
  • Chelyabinsk Oblast
    • Magnitogorsk
      • Sakhara District (Sakharinskii)
        • Sakhara massif
[Sepiolite] Talovina, I.V., Lazarenkov, V.G., Ryzhkova, S.O., Ugol'kov, V.L., and Vorontsova, N.I. (2008): Lithology and Mineral Resources 43(6), 588-595.
    • Verkhny Ufaley
      • Ufaley District (Ufalei District)
[Sepiolite] Talovina, I.V., Lazarenkov, V.G., Ryzhkova, S.O., Ugol'kov, V.L., and Vorontsova, N.I. (2008): Lithology and Mineral Resources 43(6), 588-595.; Berger, V.I., Singer, D.A., Bliss, J.D., and Moring, B.C., 2011, Ni-Co laterite deposits of the world; database and grade and tonnage models: U.S. Geological Survey Open-File Report 2011-1058.
[Sepiolite] Talovina, I.V., Lazarenkov, V.G., Ryzhkova, S.O., Ugol'kov, V.L., and Vorontsova, N.I. (2008): Lithology and Mineral Resources 43(6), 588-595.
  • Irkutsk Oblast
    • Zheleznogorsk (Korshunikha)
[Sepiolite] Mazurov, M.P., Grishina, S.N., Istomin, V.E., and Titov, A.T. (2007): Geology of Ore Deposits 49(4), 271-284.; Mazurov et al (2007) Geology of Ore Deposits, 49, 271–284.
[Sepiolite] Pekin, A.A. [Пекин, А.А.] (2010) Minerals of Moscow [Минералы Москвы]. Rossiiskii Khimicheskii Zhurnal [Российский Химический Журнал], 54, 2, 115-123 (in Russian); Pekin, A.A. (2011) Minerals of Moscow. Russian Journal of General Chemistry, 81, 6, 1381-1391.
  • Murmansk Oblast
[Sepiolite] www.koeln.netsurf.de/~w.steffens/lovo.htm
      • Alluaiv Mt
[Ferrisepiolite] Pavel M. Kartashov data
[Ferrisepiolite] Nikita Chukanov analytical data
  • Orenburg Oblast
    • Svetlyi
      • Buruktal District
        • Buruktal massif
[Sepiolite] Talovina, I.V., Lazarenkov, V.G., and Vorontsova, N.I. (2003): Lithology and Mineral Resources 38(5), 403-415.
  • Primorsky Krai
    • Dalnegorsk Urban District
      • Dalnegorsk
[Sepiolite] Min Rec vol 32, pp 7-30 (2001)
  • Sakha Republic (Yakutia)
[Sepiolite] [World of Stones 12:49]
Slovakia
 
  • Banská Bystrica Region
    • Rimavská Sobota Co.
      • Hnúšťa
[Sepiolite] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Sepiolite] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Sepiolite] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Prešov Region
    • Vranov nad Topľou Co.
[Sepiolite] Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
Slovenia
 
  • Drava Region
    • Oplotnica
      • Cezlak
[Sepiolite] Postl, W., Bojar, H.-P. & Žorž, Z. (2015): Calcioankylit-(Ce) und Sepiolith aus dem "Tonalit"-Steinbruch in Cezlak bei Oplotnica, Pohorje-Gebirge, Slowenien. Der Steirische Mineralog 30, 42.
Somalia
 
  • Galguduud Region
    • El Buur
[Sepiolite] www.mineralmundi.com
South Korea
 
[Sepiolite] old "Chuseihokudo" specimen on sale at Tokyo show, december 2011
Spain
 
  • Andalusia
    • Cádiz
      • Jerez de la Frontera
[Sepiolite] Calvo, Miguel. (2016). Minerales y Minas de España. Vol. VIII. Cuarzo y otros minerales de la sílice. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 399 págs.
  • Aragón
    • Teruel
      • Azaila
[Sepiolite] Calvo, M. (2008). Minerales de Aragón. Prames, Zaragoza. 463 pags.
    • Zaragoza
      • Orera
[Sepiolite] - Calvo, M. (2008). Minerales de Aragón. Prames, Zaragoza, 463 pags.
      • Ruesca
[Sepiolite] - Calvo, M. (2008). Minerales de Aragón. Prames, Zaragoza, 463 pags.
  • Asturias
    • Salas
      • Carlés
[Sepiolite] Calvo, M. & Viñalas, J. (2014). Mineralogy of the gold deposit in Carlés, Salas, Asturias, Spain. Mineral Up, 3 (6), 6-32
  • Castile-La Mancha
    • Toledo
[Sepiolite] Yongzhang Zhou, Shuanbin Wang, and Jiakuan Bao (1993): Geology and Prospecting 29(12), 24-28
  • Castile and Leon
    • Palencia
[Sepiolite] Stvdia Geologica Salmanticensia, 26: 7-25
  • Community of Madrid
    • Madrid
      • San Blas-Canillejas
[Sepiolite] Calvo, Miguel. (2018). Minerales y Minas de España. Vol. IX. Silicatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 767 págs.
      • Vallecas
[Sepiolite] Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
[Sepiolite] Rodríguez, J. C., Casas, J., Núñez, J. A. M., Rubí, J. A. M., Torres, M. R., Álvarez, A., & Jiménez, S. L. (1994). Heulandita asociada a arcillas-Mg en el yacimiento de sepiolita de Vicálvaro (Cuenca Neógena de Madrid). Boletín de la Sociedad Española de Mineralogía, 17(1), 123-124.
[Sepiolite] http://www.foro-minerales.com/forum/viewtopic.php?p=123315#123315
Sweden
 
  • Värmland County
    • Filipstad
[Sepiolite] Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183. ; K:Gatedal
      • Nordmark district
[Sepiolite] No reference listed
Switzerland
 
  • Ticino
    • Leventina
      • Bedretto Valley
        • Ronco
[Sepiolite] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 367.
Tanzania
 
  • Kilimanjaro Region
[Sepiolite] Sampson, D. N. (1966): Sinya meerschaum mine, northern Tanzania. Transactions of the Institution of Mining and Metallurgy, Section B: Applied Earth Science 75, 23-34.
Turkey
 
  • Central Anatolia Region
    • Eskişehir Province
      • Mihaliççik
[Loughlinite] Echle, W. (1967): Contributions to Mineralogy and Petrology 14, 86-101.
    • Konya Province
      • Great Konya Basin
[Sepiolite]
[Sepiolite] Karakaya, N., Karakaya, M. Ç., Temel, A., Küpeli, Ş., & Tunoğlu, C. (2004). Mineralogical and chemical characterization of sepiolite occurrences at Karapinar (Konya Basin, Turkey). Clays and Clay Minerals, 52(4), 495-509.
    • Niğde Province
[Sepiolite] Altay, T., Karakaya, M.Ç., and Murat, A. (2010): Goldschmidt Conference Abstracts 2010.
UK
 
  • England
    • Cornwall
      • Grade-Ruan
[Sepiolite] Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
          • Kennack Cove (Kennack Sands)
[Sepiolite] Power, M.R., Shail, R.K., Alexander, A.C., and Scott, P.W. (1997): Proceedings of the Ussher Society 9, 188-194
[Sepiolite]
[Sepiolite] Power, M.R., Shail, R.K., Alexander, A.C., and Scott, P.W. (1997): Proceedings of the Ussher Society 9, 188-194
    • Somerset
      • Mendip
        • Cranmore
[Sepiolite] Turner, R.W. and Rumsey, M.S. (2010): Mineral Relationships in the Mendip Hills. Journal of the Russell Society, vol 13, pp 3-46.
    • Worcestershire
      • Malvern Hills
[Sepiolite] BMS Database
  • Scotland
    • Shetland
      • Unst
[Sepiolite] Livingstone, 2002, p. 182
USA
 
  • Alaska
    • Valdez-Cordova Census Area
      • Chisana Mining District
[Sepiolite] U. S. Geological Survey Open-File Report 02-195
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren Mining District
[Sepiolite] Graeme, R. (1981), Famous mineral localities: Bisbee, Arizona, Mineralogical Record: 12: 256-319.
    • Gila Co.
      • Dripping Spring Mts
        • Banner Mining District
          • Christmas area
            • Christmas
[Sepiolite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 358.
    • Greenlee Co.
      • Shannon Mts
        • Copper Mountain Mining District (Clifton-Morenci Mining District)
          • Clifton
[Sepiolite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 366.
    • La Paz Co.
      • Little Harquahala Mts
        • Little Harquahala Mining District
[Sepiolite] Anne Seminaris specimen; John Attard PXRD.
    • Pima Co.
      • Sierrita Mts
        • Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District)
          • San Xavier
            • Mission complex
[Sepiolite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 366.
[Sepiolite] AmMin 27:512
[Sepiolite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 366; Kauffman, Jr., A.J. (1943), Fibrous sepiolite from Yavapai Co., AZ, Am.Min.: 28: 512-520; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 107.
[Sepiolite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 366.
  • California
    • Fresno Co.
[Sepiolite] Gunnar Färber
    • Inyo Co.
      • Death Valley
[Sepiolite] Econ Geol (1996) 91:622-635
[Sepiolite] Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 353; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 334.
      • Panamint Mts (Panamint Range)
        • Panamint Mining District (Ballarat Mining District)
          • Ballarat
[Sepiolite] Post, J. L. (1984) Saponitye from near Ballarat, California. Clays and Clay Minerals, Vol. 32, No. 2, 147-153.
[Sepiolite] Hardie, L.A. (1968) The origin of the Recent nonmarine evaporate deposit of Saline Valley, Inyo County, California. Geochimica et Cosmochimica Acta: 32: 1287; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441.
    • Los Angeles Co.
[Sepiolite] Fleischer, P. (1972) Sepiolite associated with Miocene diatomite, Santa Cruz basin, California. American Mineralogist: 57: 903-913; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441.
    • Riverside Co.
      • Crestmore
        • Crestmore quarries
          • Sky Blue Hill
[Sepiolite] Daly, John W. (1935), Paragenesis of mineral assemblages at Crestmore, California American Mineralogist: 20: 638-659; Woodford, A.O., Crippen, R.A., and Garner, K.B. (1941) Section Across Commercial Quarry, Crestmore, California. American Mineralogist: 26: 367; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441.
    • San Benito Co.
      • Diablo Range
        • New Idria Mining District
          • Goat Mountain
[Sepiolite] Mineralogical Record: 36(4): 337-363.
    • San Bernardino Co.
      • Bristol Mts
        • Amboy area
[Sepiolite] ; Otton, James K.; Glanzman, Richard K.; Brenner-Tourtelot, Elizabeth F. (1980) Uranium, rare-earth and thorium mineralization at the Hope Mine, eastern Bristol Mountains, San Bernardino County, California. USGS Open file report 80-821.
      • Calico Mts (Calico Hills)
        • Calico District (Daggett District; Calico-Daggett area)
          • Calico
[Sepiolite] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Kingston Range
        • Kingston Range District
          • Kingston Peak
[Sepiolite] Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada, USGS Professional Paper 275, 172 pp.: 144; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441.
      • Silver Lake Mining District
        • Soda Mts
          • Zzyzx (Fort Soda; Soda; Soda Springs; Zzyzx Mineral Spring Resort)
[Sepiolite] XRD confirmed by Tony Kampf.; American Mineralogist, Volume 94, pages 1198–1204, 2009
    • Santa Cruz Co.
      • Santa Cruz
[Sepiolite] Mineralogical Record: 17:315
      • Santa Cruz Mts
        • Ben Lomond Mountain
[Sepiolite] Leo, G.W. (1967) The plutonic and metamorphic rocks of the Ben Lomond Mountain area, Santa Cruz County, California. California Division of Mines and Geology Special Report 91: 41; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441.
  • Colorado
    • Montrose Co.
      • Uravan Mining District
        • Paradox Valley
[Sepiolite] Dana 7:I:602.
  • Colorado/Utah/Wyoming
[Sepiolite] MILTON, C. (1977): Mineralogy of the Green River Formation. Mineralogical Record 8, 368-379.
  • Connecticut
    • Fairfield Co.
      • Brookfield
[Sepiolite] Similar samples from identical geology found to be sepiolite via EDS analysis.
      • Danbury
[Sepiolite] Januzzi, Ronald E. (1976): Mineral Localities of Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut: 185, 224-6.; Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.
  • Florida
    • De Soto Co.
[Sepiolite] USGS Circular 1059 pp129-137
[Sepiolite] Canadian Mineralogist Vol.24, pp. 791 (1986)
    • Polk Co.
[Sepiolite] Marc V. Hurst (2012) Central Florida Phosphate District. Southeastern Geological Society Field Trip Guidebook No. 57
  • Georgia
    • Decatur Co.
[Sepiolite] Canadian Mineralogist Vol.24, pp. 791 (1986)
    • Thomas Co.
[Sepiolite] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
[Sepiolite] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
[Sepiolite] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
  • Idaho
    • Lemhi Co.
[Sepiolite] Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
  • Michigan
    • Marquette Co.
      • Marquette iron range
        • Palmer
[Sepiolite] Identified and verified by SEM/EDS and XRD by George Robinson 2010
  • Minnesota
    • St. Louis Co.
      • Mesabi Range
        • Babbitt
[Sepiolite] Ross, Malcolm et al. (2007): The search for asbestos within the Peter Mitchell Taconite iron ore mine, near Babbitt, Regulatory Toxicology and PharmacologyVolume 52, Issue 1, Supplement 1, October 2008, Pages S43-S50
  • Missouri
    • Washington Co.
[Sepiolite] Sherwood, M. D., & Williams, G. A. (1998). Missouri mineral locality index. Rocks & Minerals, 73(2), 98-117.
  • Montana
    • Silver Bow Co.
      • Butte Mining District (Summit Valley Mining District)
        • Butte
[Sepiolite] The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
  • Nevada
    • Clark Co.
[Sepiolite] Buck, B. J., Wolff, K., Merkler, D. J., & McMillan, N. J. (2006). Salt Mineralogy of Las Vegas Wash, Nevada. Soil Science Society of America Journal, 70(5), 1639-1651.
      • McClanahan Mining District
[Sepiolite] NBMG Spec. Pub. 31 Minerals of Nevada
      • Spring Mts
[Sepiolite] NBMG Spec. Pub. 31 Minerals of Nevada
    • Elko Co.
      • Ferber Mining District
[Sepiolite] NBMG Spec. Pub. 31 Minerals of Nevada
    • Esmeralda Co.
[Sepiolite] https://www.globalgeo.com.au/rhyolite-ridge/geology
    • Lincoln Co.
[Sepiolite] NBMG Spec. Pub. 31 Minerals of Nevada
    • Nye Co.
      • Amargosa Desert
[Sepiolite] Rocks & Minerals, Nov. 1999.
[Sepiolite] Guven, Necip and Carney, LeRoy L. (1979) The Hydrothermal Transformation of Sepiolite to Stevensite and the Effect of Added Chlorides and Hydroxides, Clays and Clay Minerals, 27:253-260.
[Sepiolite] NBMG Spec. Pub. 31 Minerals of Nevada
  • New Jersey
    • Somerset Co.
      • Bernards Township
[Sepiolite] Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
    • Sussex Co.
      • Franklin Mining District
        • Franklin
[Sepiolite] Germine, M.: Environmental Research:42:386-389 (1987); Dunn(1995):Pt4:504.
  • New Mexico
    • Grant Co.
[Sepiolite] Minerals of New Mexico 3rd ed.
        • Bear Creek Area
[Sepiolite] Minerals of New Mexico 3rd ed.
      • Meerschaum District
[Sepiolite] USGS Bull 1451
[Sepiolite] USGS Bull 1451
[Sepiolite] USGS Bull 1451
    • McKinley Co.
      • Red Lake volcanic field
[Sepiolite] Minerals of New Mexico 3rd ed.
  • New York
[Sepiolite] John H. Betts (2009) "The minerals of New York City", Rocks & Minerals, 84, 204-240.
    • Putnam Co.
      • Patterson
[Sepiolite] New York State Museum collection
    • St. Lawrence Co.
      • Balmat-Edwards Zinc Mining District
[Sepiolite] NY State Museum spec. no. 13870
[Sepiolite] Brindley, G. W. (1959) X-ray and Electron Diffraction Data for Sepiolite, American Mineralogist 44:495-500.
      • Talcville
[Sepiolite] Rocks & Min. V.71, No.3; Rocks & Minerals 82:472-483
[Sepiolite]
    • Clay Co.
[Sepiolite] Hadley, Jarvis B.,(1945) Preliminary report On Corundum Deposit In The Buck Creek Peridotite, Clay County, North Carolina: U.S Department of the Interior:Bulletion 948-E
    • Jackson Co.
      • Webster-Balsam
[Sepiolite] Dana,E.S,1892,A System of Mineralogy,6th edition,pg 681
  • Oregon
    • Douglas Co.
      • Riddle Mining District
[Sepiolite] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
  • Pennsylvania
    • Chester Co.
      • State Line Chromite Mining District
        • West Nottingham Township
[Sepiolite] Mineralogy of Pennsylvania - 1922; Samuel S. Gordon, pg. 181
[Sepiolite] www.libraries.psu.edu/emsl/guides/X/delaware.htm.
  • Rhode Island
    • Providence Co.
[Sepiolite] Miller, 1971. RI Minerals & Their Locations
  • Utah
    • Duchesne Co.
[Loughlinite] UGMS Bull 117 Minerals and Mineral Localities of Utah
[Sepiolite] UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Salt Lake Co.
      • Wasatch Mts
        • Big Cottonwood Mining District
          • Argenta
[Sepiolite] UGMS Bull 117 Minerals and Mineral Localities of Utah; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
[Sepiolite] UGMS Bull 117 Minerals and Mineral Localities of Utah
    • San Juan Co.
      • White Canyon Mining District
        • White Canyon
[Sepiolite] UGMS Bull 117 Minerals and Mineral Localities of Utah; USGS TEI #514
    • Tooele Co.
      • Gold Hill Mining District (Clifton Mining District)
[Sepiolite] UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Oquirrh Mts
        • Rush Valley Mining District (Stockton Mining District)
[Sepiolite] UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Uintah Co.
      • Uteland Knoll Mining District (Ouray Mining District)
        • Ouray
[Loughlinite] Min Rec 8:5 p369
  • Vermont
[Sepiolite] Rocks & Min. vol. 71, (1996)
  • Washington
    • Skagit Co.
      • Mount Vernon
[Sepiolite] Rocks & Min.: 14:112-113.
    • Stevens Co.
[Sepiolite] Werner, R., (2006), Fibrous Sepiolite from Stevens County, Washington. Mineral News, May, 2006 May Issue
    • Whatcom Co.
      • Sisters Mining District
[Sepiolite] Minerals of Washington, Bart Cannon, 1975
  • Wyoming
    • Sweetwater Co.
      • Green River formation
[Loughlinite] Am Min 46:420-429
[Loughlinite] Am Min 45:270-281
[Loughlinite] Am Min 45:270-281
Venezuela
 
  • Miranda
[Sepiolite] Urbani, F. (1996) Venezuelan cave minerals: a review. Boletín de la Sociedad Venezolana de Espeleología, No.30, 1-13.
[Sepiolite] Franco Urbani (2009) Venezuelan Cave Minerals: Second Review. Mineralogy 1 2009 ICS Proceedings. In 15th International Congress of Speleology. p 345
 
Mineral and/or Locality  
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