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Brugnatellite

Big Photo

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

Show Brugnatellite Photos (2)
Formula:
Mg
 
6
Fe
3+
 
[(OH)
 
13
|CO
 
3
] · 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.

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+
 
[(OH)
 
13
|CO
 
3
] · 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
[OH|(CO
 
3
)
 
2
]
 
2
 · 5H
 
2
O
5.DA.05Giorgiosite
Mg
 
5
[(CO
 
3
)
 
4
(OH)
 
2
] · 4H
 
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.10Artinite
Mg
 
2
[(OH)
 
2
|CO
 
3
] · 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
)(H
 
2
O)(OH)]Cl · H
 
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
[(OH)
 
6
|CO
 
3
] · 2H
 
2
O
5.DA.30Claraite
(Cu,Zn)
 
3
[(OH)
 
4
|CO
 
3
] · 4H
 
2
O
5.DA.35Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
·nH
 
2
O
5.DA.35Scarbroite
Al
 
5
(OH)
 
13
CO
 
3
·5H
 
2
O
5.DA.40Caresite
Fe
2+
4
Al
 
2
[(OH)
 
12
|CO
 
3
] · 3H
 
2
O
5.DA.40Quintinite
Mg
 
4
Al
 
2
(OH)
 
12
CO
 
3
H
 
2
O
5.DA.40Charmarite
Mn
2+
4
Al
 
2
[(OH)
 
12
|CO
 
3
] · 3H
 
2
O
5.DA.45Barbertonite
Mg
 
6
(Cr,Al)
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Chlormagaluminite
(Mg,Fe
2+
 
)
 
4
Al
 
2
[(OH)
 
12
|(Cl
 
2
,CO
 
3
)] · 2H
 
2
O
5.DA.45Manasseite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Sjögrenite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.45Zaccagnaite
Zn
 
4
Al
 
2
(CO
 
3
)(OH)
 
12
·3H
 
2
O
5.DA.50Comblainite
(Ni
 
x
,Co
 
1-x
)(OH)
 
2
(CO
 
3
)
 
(1-x)/2
·nH
 
2
O
5.DA.50Desautelsite
Mg
 
6
Mn
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Hydrotalcite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Pyroaurite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Reevesite
Ni
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Stichtite
Mg
 
6
Cr
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.50Takovite
Ni
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
5.DA.55Coalingite
Mg
 
10
Fe
3+
2
[(OH)
 
24
|CO
 
3
] · 2H
 
2
O
5.DA.60Karchevskyite
Related Minerals - Hey's Index Grouping:
11.13.1Siderite
FeCO
 
3
11.13.2Pyroaurite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.13.3Sjögrenite
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.13.5Coalingite
Mg
 
10
Fe
3+
2
[(OH)
 
24
|CO
 
3
] · 2H
 
2
O
11.13.6Ankerite
Ca(Fe
2+
 
 ,Mg,Mn
2+
 
)(CO
 
3
)
 
2

Other Names for Brugnatellite

German names:
Brugnatellit
Spanish names:
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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  • Brugnatellite details from Handbook of Mineralogy (PDF)
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    Localities for Brugnatellite

    Hide Locality List
    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.
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    (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
    		Bojar, H.-P. & Postl, W. (2005)
      • Leoben
        • Kraubath
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • Ontario
      • Hastings Co.
        • Bancroft District
          • Dungannon Township
    		MSC Report 39; Sabina, A.P. (1982): Some rare minerals of the Bancroft area. Mineralogical Record 13 (4), 226-228
    Italy
     
    • Aosta Valley
      • Cogne Valley
        • Cogne
    		C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
    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
    AA. VV., 1996. Collezionare minerali. Hobby & Work
    No reference listed
      • Torino Province
        • Ala Valley
        • Sesia-Lanzo zone
          • Lanzo Valley
            • 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 Island
      • 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
     
    • Scotland
      • Shetland Islands
        • Unst
    		Livingstone, 2002, p. 160
    USA
     
    • Colorado
      • Gunnison Co.
        • White Earth District (Powderhorn District)
    		Minerals of Colorado (1997) Eckels, E. B.
    Mineral and/or Locality
    Google
     
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