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Berthierine

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Big Photo

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
© Stephan Wolfsried

Show Berthierine Photos (22)



Formula:
(Fe
2+
 
,Fe
3+
 
,AlMg)
 
2-3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
System:MonoclinicColour:Dark olive green, ...
Hardness:2½
Member of:Serpentine Group
Name:
For Pierre Berthier (1782-1861), French chemist/mineralogist


A member of the Kaolinite-Serpentine group.

1M and 1H polytypes are known.

Classification of Berthierine

IMA status:Approved
Strunz 8th edition ID:8/H.27-70
Nickel-Strunz 10th (pending) edition ID:9.ED.15

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
Dana 8th edition ID:71.1.2c.2

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
Hey's CIM Ref.:16.19.15

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

Type Locality:Hayange, Meurthe-et-Moselle, Lorraine, France

Occurrences of Berthierine

Geological Setting:Unmetamorphosed marine sediments, lateritic and polar soils.

Physical Properties of Berthierine

Lustre:Pearly
Diaphaneity (Transparency):Transparent
Colour:Dark olive green, yellowish green
Streak:Greenish white
Hardness (Mohs):2½
Density (calculated):3.06 g/cm3

Crystallography of Berthierine

Crystal System:Monoclinic
Class (H-M):m - Domatic
Space Group:Bm {B1 1m} {Cm} {C1m1}
Space Group Setting:Cm
Cell Parameters:a = 5.25Å, b = 9.10Å, c = 7.06Å
β = 104.5°
Ratio:a:b:c = 0.577 : 1 : 0.776
Unit Cell Volume:V 326.55 ų (Calculated from Unit Cell)
Z:2
Morphology:Microcrystalline oolitic aggregates
Comment:2 polytyes 1M and 1H
X-Ray Powder Diffraction:
d-spacingIntensity
7.04 (100)
3.513 (100)
2.673 (40)
2.514 (90)
2.399 (40)
2.137 (60)
1.552 (70)

Optical Data of Berthierine

Type:Biaxial
RI values: nα = 1.620 nγ = 1.650
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r < v strong

Chemical Properties of Berthierine

Formula:
(Fe
2+
 
,Fe
3+
 
,AlMg)
 
2-3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Essential elements:Fe, H, O, Si
All elements listed in formula:Al, Fe, H, Mg, O, Si

Relationship of Berthierine to other Species

Member of:Serpentine Group
Other Members of Group:

- +
Amesite
Mg
 
2
Al(AlSiO
 
5
)(OH)
 
4
Antigorite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Brindleyite
(Ni,Mg,Fe)
 
2
(Al(Si,Al)O
 
5
)(OH)
 
4
Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Chrysotile
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Clinochrysotile
Cronstedtite
Fe
2+
2
Fe
3+
 
((Si,Fe
3+
 
)
 
2
O
 
5
)(OH)
 
4
Dickite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Fraipontite
(Zn,Al)
 
3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Greenalite
Fe
 
2-3
(Si
 
2
O
 
5
)(OH)
 
4
Halloysite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Kaolinite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
Lizardite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Manandonite
LiAl
 
4
(BSi
 
3
O
 
10
)(OH)
 
6
Nacrite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Népouite
(Ni,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Odinite
(Fe,Mg,Al,Fe,Ti,Mn)
 
2.4
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Orthochrysotile
Parachrysotile
Pecoraite
Ni
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Common Associates:
Smectite GroupSideriteGlauconiteChlorite Group
Related Minerals - Nickel-Strunz Grouping):

- +
9.ED.05Dickite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Kaolinite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Nacrite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Odinite
(Fe,Mg,Al,Fe,Ti,Mn)
 
2.4
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.10Halloysite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.10Hisingerite
Fe
3+
2
(Si
 
2
O
 
5
)(OH)
 
4
 · 2H
 
2
O
9.ED.10Halloysite-7Å
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Amesite
Mg
 
2
Al(AlSiO
 
5
)(OH)
 
4
9.ED.15Antigorite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Brindleyite
(Ni,Mg,Fe)
 
2
(Al(Si,Al)O
 
5
)(OH)
 
4
9.ED.15Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Chrysotile
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Cronstedtite
Fe
2+
2
Fe
3+
 
((Si,Fe
3+
 
)
 
2
O
 
5
)(OH)
 
4
9.ED.15Fraipontite
(Zn,Al)
 
3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.15Greenalite
Fe
 
2-3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
9.ED.15Lizardite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Manandonite
LiAl
 
4
(BSi
 
3
O
 
10
)(OH)
 
6
9.ED.15Népouite
(Ni,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Pecoraite
Ni
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Guidottiite
Mn
 
2
Fe
3+
 
(Fe
3+
 
SiO
 
5
)(OH)
 
4
9.ED.20Allophane
(Al
 
2
O
 
3
)(SiO
 
2
)
 
1.3-2
 · 2.5-3H
 
2
O
9.ED.20Chrysocolla
Cu
 
2-x
Al
 
x
(H
 
2-x
Si
 
2
O
 
5
)(OH)
 
4
 · nH
 
2
O (x < 1)
9.ED.20Imogolite
Al
 
2
SiO
 
3
(OH)
 
4
9.ED.20Neotocite
(Mn,Fe,Mg)SiO
 
3
 · H
 
2
O
9.ED.25Bismutoferrite
Fe
3+
2
Bi(SiO
 
4
)
 
2
(OH)
9.ED.25Chapmanite
Fe
3+
2
Sb
3+
 
(SiO
 
4
)
 
2
(OH)
Related Minerals - Hey's Index Grouping:

- +
16.19.1Indialite
Mg
 
2
Al
 
3
(AlSi
 
5
O
 
18
)
16.19.2Cordierite
(Mg,Fe)
 
2
Al
 
3
(AlSi
 
5
O
 
18
)
16.19.3Sekaninaite
(Fe,Mg)
 
2
Al
 
3
(AlSi
 
5
O
 
18
)
16.19.4Ferrogedrite
☐{Fe
2+
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
16.19.5Staurolite
(Fe
2+
 
,Mg,Zn)
 
1.5-2
Al
 
9
(SiO
 
4
)
 
4
O
 
6
(OH,O)
 
2
16.19.6Chloritoid
(Fe
2+
 
,Mg,Mn
2+
 
)Al
 
2
(SiO
 
4
)O(OH)
 
2
16.19.7Amesite
Mg
 
2
Al(AlSiO
 
5
)(OH)
 
4
16.19.8Corundophilite
(Mg,Fe,Al)
 
6
(Si,Al)
 
4
O
 
10
(OH)
 
8
16.19.9Yoderite
Mg(Al,Fe
3+
 
)
 
3
(SiO
 
4
)
 
2
O(OH)
16.19.10Delessite
(Mg,Fe,Fe,Al)(Si,Al)
 
4
O
 
10
(O,OH)
 
8
16.19.11Ferrocarpholite
(Fe
2+
 
,Mg)Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
16.19.12Magnesiocarpholite
(Mg,Fe
2+
 
)Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
16.19.13Chamosite
(Fe
2+
 
,Mg)
 
5
Al(AlSi
 
3
O
 
10
)(OH)
 
8
16.19.14Orthochamosite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
5
Al(AlSi
 
3
O
 
10
)(OH,O)
 
8
16.19.16Odinite
(Fe,Mg,Al,Fe,Ti,Mn)
 
2.4
((Si,Al)
 
2
O
 
5
)(OH)
 
4
16.19.17Clinochlore
(Mg,Fe
2+
 
)
 
5
Al(AlSi
 
3
O
 
10
)(OH)
 
8
16.19.18Gedrite
☐{Mg
 
2
}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
16.19.19Magnesiogedrite
16.19.20Diabantite
(Mg,Fe,Al)
 
6
((Si,Al)
 
4
O
 
10
)(OH)
 
8
16.19.21Sudoite
(Mg,Fe
2+
 
)
 
2
Al
 
3
(AlSi
 
3
O
 
10
)(OH)
 
8
16.19.22Vermiculite
(Mg,Fe,Al)
 
3
((Al,Si)
 
4
O
 
10
)(OH)
 
2
 · 4H
 
2
O
16.19.23Corrensite
(Mg,Fe)
 
9
((Si,Al)
 
8
O
 
20
)(OH)
 
10
 · nH
 
2
O

Other Names for Berthierine

Synonyms:
K-type ChamositeSeptechamosite
Other Languages:
German:Berthierin
Septechamosit
Spanish:Septechamosita
Varieties:
Titanian Berthierine

Polytypes for Berthierine

Polytypes:
Berthierine-1HBerthierine-1M

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Berthierine

Reference List:

- +
Mineralogical Magazine: 29: 502-525.

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.

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.

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 Berthierine

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Berthierine details from Handbook of Mineralogy (PDF)
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    • Localities for Berthierine

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Western Australia
      • Windarra Mine
        • South Windarra
    		Mineralogical Magazine, June 1975, Vol. 40, pp. 200-202.
    Brazil
     
    • Minas Gerais
      • Poços de Caldas plateau
        • Poços de Caldas
    		Atencio et al. (1999) Can. Min. 37, 91-98.
    Bulgaria
     
    • Sofiya Oblast (Sofia Oblast)
    Canada
     
    • New Brunswick
      • York Co.
        • Prince William Parish
          • Lake George
    		[MinRec 1991]
    • Northwest Territories
    		Wise, M. and Cerny, P., 1990, Beusite-Triphylite Intergrowths from theYellowknife Pegmatite Field, Northwest Territories, Canadian Mineralogist, v. 28: 133-139.
    • Ontario
      • Cochrane District
        • Timmins Area
          • Kidd Township
    		Jiang, Peacor, & Slack. Clays and Clay Minerals 40:501-514
      • Prince Edward Co.
    		[var: Titanian Berthierine] Canadian Mineralogist: 23: 213-220.
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
      • Montréal
    		Tarassoff collection
    China
     
    • Guangxi Zhuang Autonomous Region
      • Beihai Prefecture
        • Hepu Co.
    		Heping Sun and Curtis, C.D. (1988): Acta Mineralogica Sinica 8(2), 97-103
    • Shanghai Municipality
      • Chongming Co.
    		Guijia Zhang, Heping Sun, Congxian Li, and Zhizheng Ye (1991): Acta Mineralogica Sinica 11(1), 39-44
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Žďár nad Sázavou
    		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.
    France
     
    • Auvergne
      • 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.
    • Lorraine
      • Meurthe-et-Moselle
    		Handbook of Mineralogy
    • Pays de 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
    Germany
     
    • Bavaria
      • Upper Palatinate
        • Oberpfälzer Wald
          • Vohenstrauß
            • Waidhaus
              • Hagendorf
    		http://www.berthold-weber.de/h_miner.htm
    • Thuringia
      • Wurzbach
        • Weitisberga
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Hungary
     
    • Baranya Co.
      • Mecsek Mts.
        • Pécs
    • Veszprém Co.
      • Bakony Mts.
        • Halimba
    		Mineral Species of Hungary, 2005
    Italy
     
    • Piedmont
      • Torino Province
        • Canavese District
          • Léssolo
            • Cálea
    		Le miniere di Brosso (2001)-Italo Campostrini- ed. Museo Regionale Torino
      • Verbano-Cusio-Ossola Province
        • Baveno
          • Oltrefiume
            • Mount Camoscio
    		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
      • Carbonia-Iglesias 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
      • Nuoro Province
        • Gadoni
    		Stara, P., Rizzo, R., Sabelli, C., Ibba, A. (1999): I minerali di Funtana Raminosa. Rivista Mineralogica Italiana, 1/1999, 10-27.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Saitama Prefecture
          • Chichibu-gun
            • Ohtaki-mura
              • Nakatsugawa
    		The Mineral Species of Japan (5th ed) Matsubara
    New Zealand
     
    • South Island
      • Canterbury
    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
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • 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.
    • Northern Region
      • Komi Republic
        • Timan Range
    		Mordberg, L.E. (1999): Journal of Geochemical Exploration 66(1/2), 353-361.
      • Murmanskaja Oblast'
        • Kola Peninsula
    		www.koeln.netsurf.de/~w.steffens/khib.htm
    Spain
     
    • Andalusia
      • Córdoba
        • Hornachuelos
          • Sierra Albarrana
    		Maria del Mar Abad-Ortega and Fernando Nieto, Eur. Journ. Mineral. , 1995, 7, pp. 363-367.
    Sweden
     
    • Södermanland
      • Eskilstuna
    UK
     
    • England
      • North Yorkshire
        • Scarborough
    		Gunnar Farber specimens
    Tindle, A.G. (2008) Minerals of Britian and Ireland
    USA
     
    • California
      • Santa Clara Co.
        • Diablo Range
          • Mount Hamilton
    • Colorado
      • San Juan Co.
        • Elk Park
    		Minerals of Colorado (1997) Eckels, E. B.
    • Kentucky
      • Rockcastle Co.
    		http://www.rkci.org/library/gsp/engle.htm
    • Wyoming
      • Albany Co.
    		Rocks & Minerals 76:382
    Mineral and/or Locality
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