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Barbosalite

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Big Photo

Criminoso claim, Água Boa, Doce valley, Minas Gerais, Brazil
© Van King

Show Barbosalite Photos (16)



Formula:
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
System:MonoclinicColour:Dark blue-green, green, ...
Hardness:5½ - 6
Member of:Lazulite Group
Name:For Brazilian geologist Aluxio Licinio de Miranda Barbosa (b. 1916).


Lazulite Group.

Classification of Barbosalite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/B.08-40
Nickel-Strunz 10th (pending) edition ID:8.BB.40

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
Dana 7th edition ID:41.10.1.4
Dana 8th edition ID:41.10.1.4

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : (AB)3(XO4)2Zq
Hey's CIM Ref.:19.13.1

19 : Phosphates
13 : Phosphates of Fe alone
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Type Occurrence of Barbosalite

Type Locality:Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil
Year of Discovery:1955

Physical Properties of Barbosalite

Lustre:Vitreous, Dull
Diaphaneity (Transparency):Transparent, Translucent, Opaque
Colour:Dark blue-green, green, Blue green, Green blue, Greenish black, Black
Hardness (Mohs):5½ - 6
Cleavage:None Observed
Density (measured):3.6 g/cm3
Density (calculated):3.72 g/cm3

Crystallography of Barbosalite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
Cell Parameters:a = 7.31Å, b = 7.48Å, c = 7.52Å
β = 120.15°
Ratio:a:b:c = 0.977 : 1 : 1.005
Unit Cell Volume:V 349.94 ų
Z:2

Optical Data of Barbosalite

Type:Biaxial (+)
RI values: nα = 1.770 nγ = 1.835
2V:Measured: 70°
Maximum Birefringence:δ = 0.065

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

Chemical Properties of Barbosalite

Formula:
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Essential elements:Fe, H, O, P
All elements listed in formula:Fe, H, O, P

Relationship of Barbosalite to other Species

Member of:Lazulite Group
Other Members of Group:

- +
Hentschelite
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Lazulite
(Mg,Fe
2+
 
)Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
Scorzalite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
Wilhelmkleinite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
8.BB.05Amblygonite
LiAl(PO
 
4
)F
8.BB.05Montebrasite
LiAl(PO
 
4
)(OH)
8.BB.05Tavorite
LiFe
3+
 
(PO
 
4
)(OH)
8.BB.10Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(F,OH)
8.BB.10Zwieselite
Fe
2+
 
Mn
2+
 
(PO
 
4
)F
8.BB.15Sarkinite
Mn
2+
2
(AsO
 
4
)(OH)
8.BB.15Triploidite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(OH)
8.BB.15Wagnerite
(Mg,Fe
2+
 
)
 
2
(PO
 
4
)F
8.BB.15Wolfeite
(Fe
2+
 
,Mn
2+
 
)
 
2
(PO
 
4
)(OH)
8.BB.15Stanĕkite
Fe
3+
 
(Mn
2+
 
,Fe
2+
 
,Mg)(PO
 
4
)O
8.BB.15Joosteite
Mn
2+
 
(Mn
3+
 
,Fe
3+
 
)(PO
 
4
)O
8.BB.15Hydroxylwagnerite
Mg
 
2
(PO
 
4
)(OH)
8.BB.20Holtedahlite
Mg
 
2
(PO
 
4
)(OH)
8.BB.20Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
(PO
 
4
)(OH,O)
8.BB.25Althausite
Mg
 
2
(PO
 
4
)(OH,F)
8.BB.30Adamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.30Eveite
Mn
2+
2
(AsO
 
4
)(OH)
8.BB.30Libethenite
Cu
 
2
(PO
 
4
)(OH)
8.BB.30Olivenite
Cu
 
2
(AsO
 
4
)(OH)
8.BB.30Zincolibethenite
CuZn(PO
 
4
)(OH)
8.BB.30Zincolivenite
CuZn(AsO
 
4
)(OH)
8.BB.30Auriacusite
Fe
3+
 
Cu
2+
 
(AsO
 
4
)O
8.BB.35Paradamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.35Tarbuttite
Zn
 
2
(PO
 
4
)(OH)
8.BB.40Hentschelite
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Lazulite
(Mg,Fe
2+
 
)Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Scorzalite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Wilhelmkleinite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
8.BB.45Trolleite
Al
 
4
(PO
 
4
)
 
3
(OH)
 
3
8.BB.50Namibite
Cu(BiO)
 
2
(VO
 
4
)(OH)
8.BB.55Phosphoellenbergerite
Mg
 
14
(PO
 
4
)
 
6
(HPO
 
4
,CO
 
3
)
 
2
(OH)
 
6
8.BB.60Urusovite
CuAl(AsO
 
4
)O
8.BB.65Theoparacelsite
Cu
 
3
(As
 
2
O
 
7
)(OH)
 
2
8.BB.70Turanite
Cu
 
5
(VO
 
4
)
 
2
(OH)
 
2
8.BB.75Stoiberite
Cu
 
5
(VO
 
4
)
 
2
O
 
2
8.BB.80Fingerite
Cu
 
11
(VO
 
4
)
 
6
O
 
2
8.BB.85Averievite
Cu
 
6
(VO
 
4
)
 
2
O
 
2
Cl
 
2
8.BB.90Lipscombite
(Fe
2+
 
,Mn
2+
 
)Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.90Richellite
CaFe
3+
2
(PO
 
4
)
 
2
(OH,F)
 
2
8.BB.90Zinclipscombite
ZnFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
19.13.2Strengite
FePO
 
4
 · 2H
 
2
O
19.13.3Phosphosiderite
FePO
 
4
 · 2H
 
2
O
19.13.4Dufrénite
Ca
 
0.5
Fe
2+
 
Fe
3+
5
(PO
 
4
)
 
4
(OH)
 
6
 · 2H
 
2
O
19.13.5Giniite
Fe
2+
 
Fe
3+
4
(PO
 
4
)
 
3
(OH)
 
5
 · 2H
 
2
O
19.13.6Whitmoreite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
19.13.7Tinticite
Fe
3+
5.34
(PO
 
4
)
 
3.62
(VO
 
4
)
 
0.38
(OH)
 
4
 · 6.7H
 
2
O
19.13.8Ferristrunzite
Fe
3+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
19.13.9Ferrostrunzite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 6H
 
2
O
19.13.10Beraunite
Fe
2+
 
Fe
3+
5
(PO
 
4
)
 
4
(OH)
 
5
 · 4H
 
2
O
19.13.11Vivianite
Fe
2+
3
(PO
 
4
)
 
2
 · 8H
 
2
O
19.13.12Metavivianite
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x · (8-x)H
 
2
O

Other Names for Barbosalite

Other Languages:
German:Barbosalit
Russian:Барбосалит
Spanish:Barbosalita

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 Barbosalite

Reference List:

- +
Lindberg, M.L. and Pecora, W.T. (1955) Tavorite and barbosalite, two new phosphate minerals from Minas Gerais, Brazil. American Mineralogist 40, 952-966.

Acta Crystallographica: 12: 695-697.

Internet Links for Barbosalite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
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  • Rare and Unusual minerals at Mineralogical Research Company
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    • Localities for Barbosalite

    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.
    Argentina
     
    • Córdoba
      • Punilla Department
        • Tanti
          • Cerro Blanco pegmatite district
    		Rocks & Min. (2007) 82:234
    Australia
     
    • New South Wales
      • Yancowinna Co.
        • Thackaringa District
    		Plimer, I.R. and Blucher, I.D. (1979) Wolfeite and barbosalite from Thackaringa, Australia. Mineralogical Magazine 43, 505-507 ; Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    • South Australia
      • Olary Province
        • Kalabity homestead area
    		Record of Sth.Aust. mines summary Olary SI5402 card 235
    Brazil
     
    • Minas Gerais
      • Doce valley
        • Água Boa
    		Dunn, P.J., Leavens, P.B., Sturman, B.D.,Gaines, R.V. & Barbosa, C. d. P. (1978): Hureaulite and Barbosalite from Lavra do Criminoso, Minas Gerais, Brazil. Mineralogical Record. 9: 147-151
        • Galiléia
          • Sapucaia do Norte
    		Science (1954): 119, 739.
        • Mendes Pimentel
    		Atencio, D., Coutinho, J.M.V., Mascarenhas, Y.P., Ellena, J. (2006): Matioliite, the Mg-analog of burangaite, from Gentil mine, Mendes Pimentel, Minas Gerais, Brazil, and other occurrences. American Mineralogist, 91, 1932-1936.
    • Paraíba
      • Borborema mineral province
        • Pedra Lavrada
    		R. Wegner, H. Pöllmann, T. Witzke, & W. Schuckmann (1998): Colquiriite, carlhintzeite, ralstonite and pachnolite from Serra Branca-Pegmatite/Brazil.- Proceedings 17th General Meeting, IMA, August 1998, Toronto, A151
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Velké Meziříčí
    		Škoda, R., Staněk, J., Čopjaková, R.: Minerální asociace fosfátových nodulí z granitického pegmatitu od Cyrilova u Velkého Meziříčí, Moldanubikum; část 1 – primární a exsoluční fáze. Acta Mus. Moraviae, Sci. geol., 2007, 92, 59-74.
    France
     
    • Limousin
      • Haute-Vienne
        • Bessines-sur-Gartempe
    		http://perso.wanadoo.fr/jeldemine/listes%20mineraux.html
    Germany
     
    • Bavaria
      • Upper Palatinate
        • Oberpfälzer Wald
          • Vohenstrauß
            • Pleystein
    		Dill, H.G., Weber, B. (2009), Pleystein-City on Pegmatite, 4th International Symposium on Granitic Pegmatites, Recife, Brazil.
            • Waidhaus
              • Hagendorf
    		http://www.berthold-weber.de/h_miner.htm
          • Waldmünchen
            • Althütte
    		Lapis, 10 (4), 13-17.
    Madagascar
     
    • Fianarantsoa Province
      • Amoron'i Mania Region
        • Ampandramaika-Malakialina Pegmatite Field
          • Ambatofinandrahana District
    		Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 17-18
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
    		Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    Namibia
     
    • Erongo Region
      • Karibib District
        • Okatjimukuju farm (Friedrichsfelde farm)
    		P. Keller and O. von Knorring, Eur. J. Mineral. , 1989, 1, pp. 567-593.
    Contrib Mineral Petrol (1986) 92:502-517
        • Usakos
    		Keller, P. (1974): Phosphatmineralien aus Pegmatiten Sudwestafrikas, Der Aufschluss 25,577-591(1974)
    Portugal
     
    • Guarda District
      • Gouveia
        • Folgosinho
    • Viseu District
    		Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    Rwanda
     
    • Western Province
      • Gatumba District
    		Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    South Africa
     
    • Northern Cape Province
      • Namaqualand
        • Kenhardt District
    		Minerals of South Africa
    Spain
     
    • Castile and Leon
      • Zamora
    UK
     
    • England
      • Cornwall
        • Liskeard District
          • Caradon & Phoenix Area (South-Eastern Bodmin Moor)
            • Linkinhorne
    		No reference listed
        • St Austell District
          • Treverbyn
            • Stenalees
    		[Elton, N. J. (1998): Barbosalite, frondelite and other phosphates from Gunheath China Clay Pit, St Austell, Cornwall, England. Journal of the Russell Society 7, 15-18.
    USA
     
    • Alabama
      • Coosa Co.
    		Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV; Leavens, P. B. & Simpson, Thomas A. (1975): Iron-manganes phospates of the Williams pegmatites, Coosa County, Alabama. Mineralogical Record 6 (2): 67-73
    • New Hampshire
      • Grafton Co.
        • Groton
    		Gaines, Richard V., Catherine, H., Skinner, W., Foord, E.E., Mason, B., and Rosenzweig, A. (1997), Dana’s New Mineralogy: The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana: eighth edition. John Wiley and Sons, Inc., 1819pp.: 875.; Mineralogical Record (1973) 4:103-130
    • South Dakota
      • Custer Co.
        • Custer District
          • Custer
    		Am Min (1969), 54:969-972
          • Fourmile
    		Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
      • Pennington Co.
        • Keystone District
          • Keystone
    		American Mineralogist (1984): 69: 380-382.
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    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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