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About BerthierineHide

Pierre Berthier
Dark olive green, yellowish green
Specific Gravity:
3.06 (Calculated)
Crystal System:
For Pierre Berthier (1782-1861), French chemist/mineralogist
A member of the Kaolinite-Serpentine group.

1M and 1H polytypes are known.

Classification of BerthierineHide

Approved, 'Grandfathered' (first described prior to 1959)

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers

16 : Silicates Containing Aluminum and other Metals
19 : Aluminosilicates of Fe and Mg

Physical Properties of BerthierineHide

Dark olive green, yellowish green
Greenish white
2½ on Mohs scale
3.06 g/cm3 (Calculated)

Optical Data of BerthierineHide

RI values:
nα = 1.620 nγ = 1.650
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
r < v strong

Chemical Properties of BerthierineHide


Crystallography of BerthierineHide

Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Unit Cell Volume (calc):


X-Ray Powder DiffractionHide

Powder Diffraction Data:
7.04 (100)
3.513 (100)
2.673 (40)
2.514 (90)
2.399 (40)
2.137 (60)
1.552 (70)

Type Occurrence of BerthierineHide

Synonyms of BerthierineHide

Other Language Names for BerthierineHide

Varieties of BerthierineHide

Titanian BerthierineSerpentine Group

A titanium-bearing berthierine.

Relationship of Berthierine to other SpeciesHide

Other Members of this group:
AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
AntigoriteMg3(Si2O5)(OH)4Mon. m : Bm
CronstedtiteFe2+2Fe3+((Si,Fe3+)2O5)(OH)4Trig. 3m : P3 1m
GuidottiiteMn2Fe3+(Fe3+SiO5)(OH)4Hex. 6 : P63
KellyiteMn2+2Al(AlSiO5)(OH)4Hex. 6 : P63

Common AssociatesHide

Chlorite GroupA group of mostly monoclinic (also triclinic or orthorhombic) micaceous phyllosilicate minerals with a structure ...
Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
Associated Minerals Based on Photo Data:
Pyrite2 photos of Berthierine associated with Pyrite on mindat.org.
Siderite2 photos of Berthierine associated with Siderite on mindat.org.
Ancylite-(Ce)1 photo of Berthierine associated with Ancylite-(Ce) on mindat.org.
Goethite1 photo of Berthierine associated with Goethite on mindat.org.
Ancylite Group1 photo of Berthierine associated with Ancylite Group on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.ED.ClinochrysotileMon. 2/m
9.ED.05DickiteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.05KaoliniteAl2(Si2O5)(OH)4Tric. 1 : P1
9.ED.05NacriteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.05Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4Mon. m : Bm
9.ED.10HalloysiteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.10HisingeriteFe3+2(Si2O5)(OH)4 · 2H2OMon.
9.ED.10Halloysite-7ÅAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.15AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
9.ED.15AntigoriteMg3(Si2O5)(OH)4Mon. m : Bm
9.ED.15CronstedtiteFe2+2Fe3+((Si,Fe3+)2O5)(OH)4Trig. 3m : P3 1m
9.ED.15KellyiteMn2+2Al(AlSiO5)(OH)4Hex. 6 : P63
9.ED.15GuidottiiteMn2Fe3+(Fe3+SiO5)(OH)4Hex. 6 : P63
9.ED.20Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2OAmor.
9.ED.20ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2OOrth.
9.ED.20Neotocite(Mn,Fe,Mg)SiO3 · H2OAmor.
9.ED.25BismutoferriteFe3+2Bi(SiO4)2(OH)Mon. m : Bm
9.ED.25ChapmaniteFe3+2Sb3+(Si2O5)O3(OH)Mon. m : Bm

Related Minerals - Dana Grouping (8th Ed.)Hide

71.1.2c.1AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
71.1.2c.5KellyiteMn2+2Al(AlSiO5)(OH)4Hex. 6 : P63

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.19.1IndialiteMg2Al3(AlSi5O18)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
16.19.2Cordierite(Mg,Fe)2Al3(AlSi5O18)Orth. mmm (2/m 2/m 2/m) : Cccm
16.19.5StauroliteFe2+2Al9Si4O23(OH)Mon. 2/m : B2/m
16.19.6Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2Mon. 2/m : B2/b
16.19.7AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
16.19.9YoderiteMg(Al,Fe3+)3(SiO4)2O(OH)Mon. 2/m : P21/m
16.19.11Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
16.19.16Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4Mon. m : Bm
16.19.17ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
16.19.22VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m
16.19.23Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2OOrth.

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.

References for BerthierineHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brindley, G. W. (1951): The crystal structure of some chamosite minerals. Mineralogical Magazine 29, 502-522.
Brindley, G.W. and R.F. Youell (1953): Ferrous chamosite and ferric chamosite. Mineral. Mag., 37, 57-70.
Brindley, G.W. (1982): Chemical composition of berthierines - a review. Clays and Clay Minerals, 30, 153-155.
MacKenzie, K.J.D., Berezowski, R.M. (1984): Thermal and Mössbauer studies of iron-containing hydrous silicates. V. Berthierine. Thermochimica Acta 74, 291-312.
Arma, M., Fleet, ME., and Barnett, R.L. (1985): Titanian berthierine: a Ti-rich serpentine group mineral from the Picton ultramafic dyke, Ontario. Canadian Mineralogist 23, 213-220.
Chauvel, J.J. (1990): Chamosite and berthierine: is it possible to make clear the terminology? Sediments 13, 87-88.
Wiewióra, A. (1990): Crystallochemical classifications of phyllosilicates based on the unified system of projection of chemical composition: III. The serpentine-kaolin group. Clay Minerals 25, 93-98.
Slack, J.F., Jiang, W.T., Peacor, D.R., Okita, P.M. (1992): Hydrothermal and metamorphic berthierine from the Kidd Creek volcanogenic massive sulfide deposit, Timmins, Ontario. Canadian Mineralogist 30, 1127-1142.
Toth, T.A., Fritz, S.J. (1997): An Fe-berthierine from a cretaceous laterite: part I. Characterization. Clays and Clay Minerals 45, 564-579.
Zhou, Z.J., Gunter, W.D. (1997) Hydrothermal stability of berthierine: experimental and modeling studies. Proceedings of the 30th International Geological Congress 19, 3-25.
Bertoldi, C., Dachs, E., Cemič, L., Theye, T., Wirth, R., and Groger, W. (2005): The heat capacity of the serpentine-subgroup mineral berthierine (Fe2.5Al0.5)[Si1.5Al0.5 O5](OH)4. Clays and Clay Minerals 53, 381-389.

Internet Links for BerthierineHide

Localities for BerthierineHide

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.
  • Western Australia
    • Laverton Shire
      • Laverton
        • Windarra Ni Mine (Mount Windarra; Windarra; Discovery gossan; Poseidon deposit)
Riley, J.F. (1975) A nickel-bearing aluminium serpentine (septechlorite) from Western Australia, Mineralogical Magazine, 40:310, 200-202.
  • Oruro
    • Dalence Province
      • Huanuni
Ben Dísraeli collection.
  • Minas Gerais
    • Poços de Caldas alkaline complex
      • Poços de Caldas
Atencio et al. (1999) Canadian Mineralogist 37, 91-98.
  • Sofia City Province
Damyanov, Z., & Vassileva, M. (2001). Authigenic phyllosilicates in the Middle Triassic Kremikovtsi sedimentary exhalative siderite iron formation, Western Balkan, Bulgaria. Clays and clay minerals, 49(6), 559-585.
  • British Columbia
    • Golden Mining Division
Jennifer Pell (1994) Carbonatites, Nepheline Syenites, Kimberlites and Related Rocks in British Columbia. Brithish Columbia Ministry of Energy Bulletin 88.
  • Northwest Territories
    • Yellowknife Pegmatite field
Wise, M. and Cerny, P., 1990, Beusite-Triphylite Intergrowths from theYellowknife Pegmatite Field, Northwest Territories, Canadian Mineralogist, v. 28: 133-139.
  • Nunavut
Handbook of Mineralogy
  • Ontario
    • Cochrane District
      • Timmins area
        • Kidd Township
Jiang, Peacor, & Slack. Clays and Clay Minerals 40:501-514; Canadian Mineralogist Vol. 30,pp. 1127-1142 (1992)
    • Prince Edward Co.
      • Sophiasburgh Township
Canadian Mineralogist: 23: 213-220.
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    • Montréal
      • Mont Royal
Tarassoff collection
  • Guangxi
    • Beihai
      • Hepu Co.
Heping Sun and Curtis, C.D. (1988): Acta Mineralogica Sinica 8(2), 97-103
  • Shanghai
    • Chongming Co.
Guijia Zhang, Heping Sun, Congxian Li, and Zhizheng Ye (1991): Acta Mineralogica Sinica 11(1), 39-44
Czech Republic
  • Moravian-Silesian Region
    • Bruntál District
Fojt B.: Ba-minerály železnorudné mineralizace na stratiformním sulfidickém ložisku Horní Benešov v Nízkém Jeseníku. Minerál, 2013, roč. 21, č. 4, s. 311-312.; Mücke A., Dolníček Z., Fojt B., Hladíková J., Pudilová M., Reif J., Škoda R.: The Horní Benešov ore deposit in the Devonian Šternberk-Horní Benešov Belt, Jeseníky Mts, Czech Republic. Part II: Fe-ore occurrences. – Čas. Slez. Muz. Opava (A), 2013, 62, 215-254.
  • Vysočina Region
    • Žďár nad Sázavou District
      • Křižanov
Schreyer, W., Bernhardt, H.-J., Medenbach, O.: Ferrogedrite, siderophyllite, septechamosite, andalusite and chloritoid as alteration products of sekaninaite (ferrocordierite) from the Dolní Bory pegmatite, Moravia. Russian Geology and Geophysics, 1993, 34, 12, 125-131.
Staněk, J.: Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 1997, roč. 82, 3-19.
  • Kymenlaakso
    • Kotka
Ilkka Mikkola collection
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Mercoeur
No reference listed
  • Brittany
    • Finistère
      • Poullaouen
R.PIERROT, L. CHAURIS, C. LAFORET (1973) : "Inventaire minéralogique de la France : 29- Finistère.", B.R.G.M. Paris.
  • Grand Est
    • Moselle
Handbook of Mineralogy; Philippe Michelin Amethyst's'; Philippe Michelin Amethyst's'; Philippe Michelin Amethyst's
  • Pays de la Loire
    • Loire-Atlantique
      • Saint-Aubin-des-Châteaux
Moëlo, Y., Gloaguen, E., Lulzac, Y. (2006): III. Les minéraux de Saint-Aubin. Le Cahier des Micromonteurs, 1/2006, 13-25
  • Bavaria
    • Upper Palatinate
      • Waidhaus
        • Hagendorf
  • Thuringia
    • Wurzbach
      • Weitisberga
Wittern: "Mineralfundorte in Deutschland", 2001
  • Baranya County
    • Mecsek Mts
      • Komló
Szakáll, S., Fehér, B. & Tóth, L. (2016): Magyarország ásványai [Minerals of Hungary]. GeoLitera, Szeged (in Hungarian).
      • Pécs
  • Veszprém County
    • Ajka
      • Halimba
Szakáll, S., Gatter, I., Szendrei, G. (2005): A Magyarországi Ásványfajok. (The Mineral Species of Hungary). Kőország Kiadó, Budapest, 427. (in Hungarian)
  • Piedmont
    • Cuneo Province
      • Gesso Valley
        • Valdieri
          • San Lorenzo
Parola, F. (2015): I minerali della Miniera del Lausetto in Valle Gesso (Cuneo). Tesi di laurea in Scienze Geologiche. Università degli Studi di Torino, Dipartimento di Scienze della Terra, Torino, 47 pp.
    • Metropolitan City of Turin
      • Canavese District
        • Léssolo
          • Cálea
Le miniere di Brosso (2001)-Italo Campostrini- ed. Museo Regionale Torino
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Feriolo
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.
        • Oltrefiume
          • Mount Camoscio
Grill, E. (1935): I minerali del granito di Baveno, la fayalite. Periodico di Mineralogia, 129-133. - Gallitelli, P. (1936): Le miche del granito di Baveno. . Periodico di Mineralogia, 61-76 - Pagliani, G. (1948): Le Zeoliti del granito di Baveno. Periodico di Mineralogia, 175-188. - Ravagnani, D. (1974): I giacimenti uraniferi italiani - Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale di Milano, Ed., Milano, 188 pp. - min. Rec. 14 (3), 157-168 - Am. Min. 83, 1330-1334 (1998) - Am. Min. 84, 782-789 (1999). - Guastoni, A. & Pezzotta, F. (2004): Kristiansenite a Baveno, second ritrovamento Mondiale della specie. Rivista Mineralogica Italiana, 4/2004, 247-251. - Guastoni, A., Demartin, F., Pezzotta, F. (2004): Sekaninaite delle pegmatiti granitiche di Feriolo e Baveno (VB). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, 145, 59-68. - Mineralogist americano (2005) 90, 1442-1452.
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.
  • Sardinia
    • Nuoro Province
      • Gadoni
Stara, P., Rizzo, R., Sabelli, C., Ibba, A. (1999): I minerali di Funtana Raminosa. Rivista Mineralogica Italiana, 1/1999, 10-27.
    • South Sardinia Province
      • Fluminimaggiore
        • Oridda Valley
Olmi, F., Sabelli, C., Santucci, A. & Brizzi, G. (1995): Les minéraux rares de Sardaigne. Le Règne Minéral, 4/1995, 4-25
  • Trentino-Alto Adige
    • Trento Province (Trentino)
      • Canal San Bovo
        • Vanoi Valley
          • Pralongo
Venzo, Z., Bittarello, E., Canal, A., Ciriotti, M.E., Gasparetto, P., Pegoraro, S., Toffolo, L., Tosato, F. (2017): La Cava di granito "Grisotto" in località Pralongo, Valle del Vanoi, Canal San Bovo. Trento. Micro, 15, 1-2017, 44-62.
  • Saitama
    • Chichibu City
      • Ohtaki-mura
        • Nakatsugawa
The Mineral Species of Japan (5th ed) Matsubara
New Zealand
  • Canterbury Region
    • Waimate District
      • Waihaorunga
Coombs, D. S., Zhao, G., & Peacor, D. R. (2000). Manganoan berthierine, Meyers Pass, New Zealand: occurrence in the prehnite-pumpellyite facies. Mineralogical Magazine, 64(6), 1037-1046.
  • Southland Region
    • Southland District
Gejing Li et al. : "Solid solution in the celadonite family: The new minerals ferroceladonite and and ferroaluminoceladonite", American Mineralogist, Volume 82, pages 503–511, 1997
  • Agadez Department
    • Aïr Region
      • South Aïr
Wolley, A.R. (2001): Alkaline Rocks and Carbonatites of the World: Africa.- The Geological Society, London
  • Łódź Voivodeship
    • Opoczno Co.
Kozłowska, A., Maliszewska, A. (2015): Berthierine in the Middle Jurassic sideritic rocks from southern Poland. Geological Quarterly: 59(3): 551-564
  • Świętokrzyskie Voivodeship
    • Piotrków Trybunalski County
      • Aleksandrów Commune
Kozłowska, A., Maliszewska, A. (2015): Berthierine in the Middle Jurassic sideritic rocks from southern Poland. Geological Quarterly: 59(3): 551-564
Handbook of Mineralogy
  • Komi Republic
    • Timan Range
Mordberg, L.E. (1999): Journal of Geochemical Exploration 66(1/2), 353-361.
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
        • Putoran Plateau
          • Noril'sk
            • Talnakh Cu-Ni Deposit
Mariya S. Alferova (2007) Grossular, Vesuvianite and Achtarandite Mineralogy of the Talnakh Region. New Data on Minerals 42:50-61
  • Murmansk Oblast
  • Zabaykalsky Krai
    • Chitinskaya Oblast
      • Krasnokamensk
        • Strel'tsovskoe Mo-U ore field
Laverov, N.P., Petrov, V.A., Poluektov, V.V., Nasimov, R.M., Hammer, J., Burmistrov, A.A., and Shchukin, S.I. (2008): Geology of Ore Deposits 50(5), 339-361.
  • Andalusia
    • Córdoba
      • Hornachuelos
        • Sierra Albarrana
Maria del Mar Abad-Ortega and Fernando Nieto, Eur. Journ. Mineral. , 1995, 7, pp. 363-367.
  • Södermanland County
    • Eskilstuna
  • England
    • Co. Durham
Handbook of Mineralogy
    • North Yorkshire
      • Scarborough
        • Osgodby
Jason Evans collection
        • Scarborough
Gunnar Färber specimens
    • Northamptonshire
      • Corby
        • Weldon
Handbook of Mineralogy
    • West Sussex
Handbook of Mineralogy
Handbook of Mineralogy
Tindle, A.G. (2008) Minerals of Britian and Ireland
  • California
    • Santa Clara Co.
      • Diablo Range
        • Black Wonder District
          • Mount Hamilton
  • Colorado
    • San Juan Co.
      • Elk Park
Minerals of Colorado (1997) Eckel, E. B.
  • Kentucky
    • Rockcastle Co.
  • Maine
    • Androscoggin Co.
      • Auburn
        • West Mount Apatite District
Wise, M. A. (2007). Crystallization of 'pocket' berthierine from the pulsifer granitic pegmatite, Poland, Maine, USA. Clays and Clay Minerals, 55(6), 583-592.
  • Wyoming
    • Fremont Co.
Rocks & Minerals 76:382
  • Samarqand
    • North Nuratau Mts
      • Zarmitan
Gromova, E. I.; Glotov, A. M.; Khrenov, V. A.; Lipskaya, V. I. (1980): Gold-​silver-​antimony mineralization in Charmitan deposits. Uzbekiston Geologiya Zhurnali 1980 (5), 8-11 (in Russian).
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