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Brugnatellite

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Mt. Ramazzo mine, Borzoli, Genova, Genova Province, Liguria, Italy
© Bert Hendriksen

Show Brugnatellite Photos (9)



Formula:
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
 · 4H
 
2
O
System:HexagonalColour:Flesh-pink to yellowish ...
Lustre:PearlyHardness:2
Name:After Ligi Brugnatelli (1859-1928), Professor of Mineralogy, University of Pavia, Italy.


Manasseite Group.
See also the related pyroaurite.

[Possibly identical to pyroaurite? X-ray powder diffraction pattern is very similar, and space group of brugnatellite is not known; given stoichiometry does not fit other members of the manasseite group; no modern investigation has been carried out (Comment by U. Kolitsch)]

Classification of Brugnatellite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/E.01-70
Nickel-Strunz 10th (pending) edition ID:5.DA.45

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
Dana 8th edition ID:16b.7.5.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
Hey's CIM Ref.:11.13.4

11 : Carbonates
13 : Carbonates of Fe
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Type Occurrence of Brugnatellite

Type Locality:Ciappanico asbestos mine, Ciappanico, Malenco Valley, Sondrio Province, Lombardy, Italy
Year of Discovery:1909

Physical Properties of Brugnatellite

Lustre:Pearly
Diaphaneity (Transparency):Transparent
Colour:Flesh-pink to yellowish or brownish-white.
Streak:White
Hardness (Mohs):2
Cleavage:Perfect
{0001}
Density (measured):2.14 g/cm3
Density (calculated):2.21 g/cm3

Crystallography of Brugnatellite

Crystal System:Hexagonal
Cell Parameters:a = 5.48Å, c = 16Å
Ratio:a:c = 1 : 2.92
Unit Cell Volume:V 416.11 ų (Calculated from Unit Cell)
Morphology:Massive. Lamellar or foliated masses of small flakes flattened {0001}. Individual flakes have a three- or six-sided outline with striations intersecting at 60°.

Optical Data of Brugnatellite

Type:Uniaxial (-)
RI values: nω = 1.540 nε = 1.510
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Pleochroism:Visible
Comments:O = yellowish red
E = colourless

Chemical Properties of Brugnatellite

Formula:
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
 · 4H
 
2
O
Essential elements:C, Fe, H, Mg, O
All elements listed in formula:C, Fe, H, Mg, O

Relationship of Brugnatellite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.DA.05Dypingite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 5H
 
2
O
5.DA.05Giorgiosite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 5-6H
 
2
O
5.DA.05Hydromagnesite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 4H
 
2
O
5.DA.05Widgiemoolthalite
Ni
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 5H
 
2
O
5.DA.05UM1986-10-CO:ClHMgMnZn
Mg
 
5
(Zn,Mn)
 
3
(CO
 
3
)
 
2
(OH,Cl)
 
12
 · H
 
2
O
5.DA.05UM1987-01-CO:HMgS
Mg
 
4
(CO
 
3
)
 
2
(OH)
 
2
 · 6H
 
2
O ?
5.DA.10Artinite
Mg
 
2
(CO
 
3
)(OH)
 
2
 · 3H
 
2
O
5.DA.10Indigirite
Mg
 
2
Al
 
2
(CO
 
3
)
 
4
(OH)
 
2
 · 15H
 
2
O
5.DA.10Chlorartinite
Mg
 
2
(CO
 
3
)(OH)Cl · 2H
 
2
O
5.DA.15Otwayite
Ni
 
2
(CO
 
3
)(OH)
 
2
 · H
 
2
O
5.DA.15Zaratite
Ni
 
3
(CO
 
3
)(OH)
 
4
 · 4H
 
2
O
5.DA.20Kambaldaite
NaNi
 
4
(CO
 
3
)
 
3
(OH)
 
3
 · 3H
 
2
O
5.DA.25Callaghanite
Cu
 
2
Mg
 
2
(CO
 
3
)(OH)
 
6
 · 2H
 
2
O
5.DA.30Claraite
(Cu,Zn)
 
3
(CO
 
3
)(OH)
 
4
 · 4H
 
2
O
5.DA.35Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
 · nH
 
2
O
5.DA.35Scarbroite
Al
 
5
(CO
 
3
)(OH)
 
13
 · 5H
 
2
O
5.DA.40Caresite
Fe
2+
4
Al
 
2
(CO
 
3
)(OH)
 
12
 · 3H
 
2
O
5.DA.40Quintinite
Mg
 
4
Al
 
2
(CO
 
3
)(OH)
 
12
 · H
 
2
O
5.DA.40Charmarite
Mn
2+
4
Al
 
2
(CO
 
3
)(OH)
 
12
 · 3H
 
2
O
5.DA.45Barbertonite
Mg
 
6
(Cr,Al)
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.45Chlormagaluminite
(Mg,Fe
2+
 
)
 
4
Al
 
2
(Cl
 
2
,CO
 
3
)(OH)
 
12
 · 2H
 
2
O
5.DA.45Manasseite
Mg
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.45Sjögrenite
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.45Zaccagnaite
Zn
 
4
Al
 
2
(CO
 
3
)(OH)
 
12
 · 3H
 
2
O
5.DA.50Comblainite
Ni
 
6
Co
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.50Desautelsite
Mg
 
6
Mn
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.50Hydrotalcite
Mg
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.50Pyroaurite
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.50Reevesite
Ni
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.50Stichtite
Mg
 
6
Cr
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.50Takovite
Ni
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.50UM1998-10-CO:CoHNi
Co
 
6
Fe
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O ?
5.DA.55Coalingite
Mg
 
10
Fe
3+
2
(CO
 
3
)(OH)
 
24
 · 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
11.13.1Siderite
FeCO
 
3
11.13.2Pyroaurite
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
11.13.3Sjögrenite
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
11.13.5Coalingite
Mg
 
10
Fe
3+
2
(CO
 
3
)(OH)
 
24
 · 2H
 
2
O
11.13.6Ankerite
Ca(Fe
2+
 
 ,Mg,Mn
2+
 
)(CO
 
3
)
 
2

Other Names for Brugnatellite

Other Languages:
German:Brugnatellit
Spanish:Brugnatellita

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 Brugnatellite

Reference List:

- +
Artini (1909), Reale academia dei Lincei: 18(5): 3.

Artini (1922), Reale academia dei Lincei: 31: 491.

Fenoglio M. – (1938) Ricerche sulla brugnatellite. Periodico di Mineralogia – Roma: 9: 1-13.

Frondel (1941),Constitution and polymorphism of the pyroaurite and sjögrenite groups, American Mineralogist: 26: 295.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 660-661.

Internet Links for Brugnatellite

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  • Raman and XRD data at RRUFF project
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  • Brugnatellite details from Handbook of Mineralogy (PDF)
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    • Localities for Brugnatellite

    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.
    Austria
     
    • Styria
      • Fischbacher Alpen Mts
        • St. Jakob-Breitenau
          • Eibegggraben
    		Bojar, H.-P. & Postl, W. (2005)
      • Leoben
        • Kraubath
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • Ontario
      • Hastings Co.
        • Dungannon Township
    		MSC Report 39; Sabina, A.P. (1982): Some rare minerals of the Bancroft area. Mineralogical Record 13 (4), 226-228
    • Québec
      • Estrie
        • Les Sources RCM
          • Asbestos
    		Horváth & Spertini (2008 & 2009)
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • South Moravia Region
        • Oslavany
          • Hrubšice
    		Kovář, O., Losos, Z., Houzar, S., Zeman, J., 2008: Hydromagnezit, brugnatellit a coalingit v minerální asociasi puklin serpentinitu z kamenolomu „U Pustého mlýna“ u Hrubšic, moldanubikum, západní Morava. – Acta. Mus. Moraviae, Sci. geol., 93: 19-35.
    Italy
     
    • Aosta Valley
      • Cogne Valley
        • Cogne
    		C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
      • Montjovet
    		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.
    C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
    • Liguria
      • Genova Province
        • Genova
          • Borzoli
    		Giuseppe Pipino - L'antica miniera di Monte Ramazzo e i suoi minerali - Rivista Mineralogica Italiana, Milano, vol. 8, fasc. 3, 1977
    • Lombardy
      • Sondrio Province
          • Ciappanico
    		Atini, E., Atti Accad. Lincei, Roma, 18, 5,3 (1909).
    AA. VV., 1996. Collezionare minerali. Hobby & Work
    • Piedmont
      • Torino Province
        • Sesia-Lanzo zone
          • Lanzo Valley
            • Ala Valley
    		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.
            • Viù Valley
              • Viù
    		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.
    Japan
     
    • Kyushu Region
      • Fukuoka Prefecture
    		Dr. Matsuo Nambu collection (curated by the Geological Survey of Japan)
    New Zealand
     
    • North Island
      • Manawatu-Wanganui
        • Tararua
          • Maharahara
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    North Korea
     
    • South Hwanghae Province
      • Pyongsan-gun
        • Pongsan-myon
          • Namchol-li
    		Kinosaki, Y. (1941) Jour. Min. Soc. Korea, 24, 12.
    Sweden
     
    • Värmland
      • Filipstad
    		Kjell Gatedal
    UK
     
    Tindle, A.G. (2008) Minerals of Britian and Ireland
      • Shetland Islands
        • Unst
    		Livingstone, 2002, p. 160
    USA
     
    • Colorado
      • Gunnison Co.
        • White Earth District (Powderhorn District)
    		Minerals of Colorado (1997) Eckels, E. B.; USGS ProfessionaL Paper 197A
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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