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Barbosalite

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Aluízio Licínio de Miranda Barbosa
Formula:
Fe2+Fe23+(PO4)2(OH)2
System:
Monoclinic
Colour:
Black to dark ...
Lustre:
Vitreous, Sub-Vitreous, Resinous, Waxy, Greasy, Dull
Hardness:
5½ - 6
Member of:
Name:
Named by Marie Louise Lindberg (Smith) and William T. Pecora in 1955 in honor of Brazilian geologist Aluízio Licínio de Miranda Barbosa [July 3, 1916 Alto Rio Doce, Minas Gerais, Brasil - September 23, 2013 Brazil], emeritus professor of geology of the School of Mines at Oro Preto, Minas Gerais, Brasil.

Classification of Barbosalite

Approved, 'Grandfathered' (first described prior to 1959)
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 ed.:
41.10.1.4
41.10.1.4

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

19 : Phosphates
13 : Phosphates of Fe alone

Physical Properties of Barbosalite

Vitreous, Sub-Vitreous, Resinous, Waxy, Greasy, Dull
Diaphaneity (Transparency):
Translucent, Opaque
Colour:
Black to dark blue-green, green, Blue green, Green blue, Greenish black, Black
Streak:
Dark blue to dark green
Hardness (Mohs):
5½ - 6
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal, Sub-Conchoidal
Density:
3.60 - 3.62 g/cm3 (Measured)    3.72 g/cm3 (Calculated)

Optical Data of Barbosalite

Type:
Biaxial (+)
RI values:
nα = 1.760 - 1.780 nβ = 1.770 - 1.810 nγ = 1.835 - 1.840
2V:
Measured: 64° to 70°
Birefringence:
0.075
Max Birefringence:
δ = 0.075
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v strong
Pleochroism:
Visible
Comments:
X=Y>Z; X=Y = dark blue green; Z = dark olive green

Chemical Properties of Barbosalite

Formula:
Fe2+Fe23+(PO4)2(OH)2
Elements listed in formula:

Crystallography of Barbosalite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Space Group Setting:
P21/c
Cell Parameters:
a = 7.31 Å, b = 7.48 Å, c = 7.52 Å
β = 120.15°
Ratio:
a:b:c = 0.977 : 1 : 1.005
Unit Cell Volume:
V 349.94 ų
Z:
2
Morphology:
Blocky to rectangular prismatic crystal, also botryoidal
X-Ray Powder Diffraction Data:
d-spacingIntensity
4.84 (60)
3.361 (100)
3.313 (80)
3.239 (60)
3.160 (60)
2.327 (40)
1.309 (40)

Type Occurrence of Barbosalite

General Appearance of Type Material:
Black drusy crystals
Geological Setting of Type Material:
Granite pegmatite

Relationship of Barbosalite to other Species

Member of:
Other Members of Group:
HentscheliteCuFe23+(PO4)2(OH)2
Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
ScorzaliteFe2+Al2(PO4)2(OH)2
WilhelmkleiniteZnFe23+(AsO4)2(OH)2
8.BB.XArsenowagneriteMg2AsO4F
8.BB.05AmblygoniteLiAlPO4F
8.BB.05MontebrasiteLiAlPO4(OH)
8.BB.05TavoriteLiFe3+PO4(OH)
8.BB.10Triplite(Mn2+,Fe2+)2PO4(F,OH)
8.BB.10ZwieseliteFe2+Mn2+PO4F
8.BB.15SarkiniteMn22+AsO4(OH)
8.BB.15TriploiditeMn22+(PO4)(OH)
8.BB.15WagneriteMg2PO4F
8.BB.15WolfeiteFe22+PO4(OH)
8.BB.15StanĕkiteFe3+Mn2+O(PO4)
8.BB.15JoosteiteMn2+Mn3+O(PO4)
8.BB.15HydroxylwagneriteMg2PO4(OH)
8.BB.20HoltedahliteMg12(PO3OH,CO3)(PO4)5(OH,O)6
8.BB.20Satterlyite(Fe2+,Mg,Fe3+)12(PO3OH)(PO4)5(OH,O)6
8.BB.25AlthausiteMg4(PO4)2(OH,O)(F,◻)
8.BB.30AdamiteZn2AsO4(OH)
8.BB.30EveiteMn22+AsO4(OH)
8.BB.30LibetheniteCu2PO4(OH)
8.BB.30OliveniteCu2AsO4(OH)
8.BB.30ZincolibetheniteCuZnPO4OH
8.BB.30ZincoliveniteCuZnAsO4(OH)
8.BB.30AuriacusiteFe3+Cu2+AsO4O
8.BB.35ParadamiteZn2AsO4(OH)
8.BB.35TarbuttiteZn2(PO4)(OH)
8.BB.40HentscheliteCuFe23+(PO4)2(OH)2
8.BB.40LazuliteMgAl2(PO4)2(OH)2
8.BB.40ScorzaliteFe2+Al2(PO4)2(OH)2
8.BB.40WilhelmkleiniteZnFe23+(AsO4)2(OH)2
8.BB.45TrolleiteAl4(PO4)3(OH)3
8.BB.50NamibiteCu(BiO)2VO4(OH)
8.BB.55Phosphoellenbergerite(Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6
8.BB.60UrusoviteCuAlO(AsO4)
8.BB.65TheoparacelsiteCu3(OH)2As2O7
8.BB.70TuraniteCu52+(VO4)2(OH)4
8.BB.75StoiberiteCu5O2(VO4)2
8.BB.80FingeriteCu11O2(VO4)6
8.BB.85AverieviteCu5O2(VO4)2 · CuCl2
8.BB.90LipscombiteFe2+Fe23+(PO4)2(OH)2
8.BB.90RichelliteCaFe23+(PO4)2(OH,F)2
8.BB.90ZinclipscombiteZnFe23+(PO4)2(OH)2
19.13.2StrengiteFe3+PO4 · 2H2O
19.13.3PhosphosideriteFe3+PO4 · 2H2O
19.13.4DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
19.13.5GiniiteFe2+Fe43+(PO4)4(OH)2 · 2H2O
19.13.6WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
19.13.7TinticiteFe33+(PO4)2(OH)3 · 3H2O
19.13.8FerristrunziteFe3+Fe23+(PO4)2(OH)3 · 5H2O
19.13.9FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
19.13.10BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
19.13.11VivianiteFe32+(PO4)2 · 8H2O
19.13.12MetavivianiteFe2+Fe23+(PO4)2(OH)2 · 6H2O

Other Names for Barbosalite

Name in Other Languages:

Other Information

Not fluorescent in UV
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 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

mindat.org URL:
https://www.mindat.org/min-516.html
Please feel free to link to this page.
Specimens:
The following Barbosalite specimens are currently listed for sale on minfind.com.

Localities for Barbosalite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
      • Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta)
Record of Sth.Aust. mines summary Olary SI5402 card 235
Brazil
 
  • Minas Gerais
    • 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
    • Conselheiro Pena
Sergio Varvello collection
Sergio Varvello collection
      • Ferruginha
sergio varvello collection
Baijot, M., Hatert, F., Dal Rio, F. & Philipo, S. (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. Canadian Mineralogist 52, 373-397.
    • Galiléia
      • Sapucaia do Norte
Science (1954): 119, 739.; Lindberg, M.L. and Pecora, W.T. (1955) Tavorite and barbosalite, two new phosphate minerals from Minas Gerais, Brazil. American Mineralogist 40, 952-966.
    • 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
 
  • Nouvelle-Aquitaine
    • Haute-Vienne
      • Bessines-sur-Gartempe
http://perso.wanadoo.fr/jeldemine/listes%20mineraux.html
Germany
 
  • Bavaria
    • Upper Palatinate
      • 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.
Liberia
 
  • Bomi Co.
Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
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
    • Matsiatra Region
      • Ampandramaika-Malakialina Pegmatite Field
        • Ikalamavony District
          • Fitampito Commune
            • Andanoa
Collection Musée National de la Geologie at Ampandrianomby in Antananarivo, Madagascar. Inventory # 21079
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
  • Marrakech-Safi Region
    • Rehamna Province
      • Jebilet Mtn (Djebilet Mtn)
        • Sidi Bou Othmane
Favreau, G. (2012): Deux pegmatites à phosphates de Sidi Bou Othmane (Maroc). Le Cahier des Micromonteurs, 3-2012, 71-109
Namibia
 
  • Erongo Region
    • Karibib District
      • Karibib Townlands Farm 57
- Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern, 464 pp. (in English)
      • Okatjimukuju Farm 55 (Friedrichsfelde Farm)
P. Keller and O. von Knorring, Eur. J. Mineral. , 1989, 1, pp. 567-593.
      • Tsaobismund Farm 85
Contrib Mineral Petrol (1986) 92:502-517
      • Usakos
Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
Keller, P. (1974): Phosphatmineralien aus Pegmatiten Sudwestafrikas, Der Aufschluss 25,577-591(1974)
Portugal
 
  • Guarda District
    • Gouveia
      • Folgosinho
    • Sabugal
      • Bendada
Georges FAVREAU collection
  • Viseu District
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
Pedro Alve's information Jan 2014
Rwanda
 
  • Western Province
    • Gatumba District
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV; Daltry, V.D.C. and O. von Knorring (1998) Type-Mineralogy of Rwanda with Particular Reference to the Buranga Pegmatite. Geologica Belgica 1:1-9
South Africa
 
  • Northern Cape Province
    • ZF Mgcawu District
      • Kenhardt
Minerals of South Africa
Spain
 
  • Castile and Leon
    • Salamanca
      • Garcirrey
Encarnación Roda-Robles, Alfonso Pesquera (2007) Locality no. 4: The Phosphates-Rich Cañada Pegmatite (Aldehuela de La Bóveda, Salamanca, Spain) in ALEXANDRE LIMA & ENCARNACIÓN RODA ROBLES ed (2007) GRANITIC PEGMATITES: THE STATE OF THE ART - FIELD TRIP GUIDEBOOK. MEMÓRIAS N. º 9, UNIV. DO PORTO, FACULDADE DE CIÊNCIAS, DEPARTAMENTO DE GEOLOGIA pp 67-72.
      • Navasfrías
http://www.foro-minerales.com/forum/viewtopic.php?p=85470#85470
    • Zamora
      • Villar del Buey
        • Pinilla de Fermoselle
UK
 
  • England
    • Cornwall
      • Liskeard District
        • Linkinhorne
          • Minions
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
      • 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.
Mineral and/or Locality  
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