Coutinhoite, a new thorium uranyl silicate hydrate, from Urucum mine, Galiléia, Minas Gerais, Brazil

American Mineralogist

Volumn 89, Issue 5-6, 2004, Pages 721-724

  Atencio, Daniel ^a   Carvalho, Flávio M S ^a   Matioli, Paulo A ^b  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b Mus Jobas Cie Naturais Jose Bonifa   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

MICA; OXIDE MINERALS; SILICATES; SILICON; URANIUM DIOXIDE;

CELL PARAMETER; EMPIRICAL FORMULAS; GRANITIC PEGMATITE; HYDROTHERMAL MINERALS; IRREGULAR AGGREGATES; ISOSTRUCTURAL; MINAS GERAIS , BRAZIL; SILICATE HYDRATES;

THORIUM COMPOUNDS;

COUTINHOITE; CRYSTAL CHEMISTRY; CRYSTAL STRUCTURE; HYDROUS MINERAL; NEW MINERAL; SILICATE;

BRAZIL; MINAS GERAIS; SOUTH AMERICA; URUCUM MINE;

EID: 2942608850     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am-2004-5-606     Document Type: Article

References (9)

1. 2O. Soviet Physics Doklady, 30, 435-437.
2. Burns, P.C. (2001) A new uranyl silicate sheet in the structure of haiwecite and comparison to other uranyl silicates. Canadian Mineralogist, 39, 1153-1160.
3. Cassedanne, J.P. (1986) The Urucum pegmatite, Minas Gerais, Brazil. Mineralogical Record, 17, 307-314.
4. Cassedanne, J.P., Cassedanne, J.O., and Carvalho, H.F. (1986) Löllingite, uraninite et produits de leur altération dans la pegmatite de l'Urucum (Minas Gerais). Anais da Academia Brasileira de Ciências, 58, 249-266.
5. Jackson, J.M. and Burns, P.C. (2001) A re-evaluation of the structure of weeksite, a uranyl silicate framework mineral. Canadian Mineralogist, 39, 187-195.
6. Outerbridge, W.F., Staatz, M.H., Meyrowitz, R., and Pommer, A.M. (1960) Weeksite, a new uranium silicate from the Thomas Range. Juab County, Utah. American Mineralogist, 45, 39-52.
7. 2O, nouveau mineral: propriétés et structure cristalline. Bulletin de Minéralogie, 110, 65-72.
8. Plesko, E.P., Scheetz, B.E., and White, W.B. (1992) Infrared vibrational characterization and synthesis of a family of hydrous alkali uranyl silicates and hydrous uranyl silicate minerals. American Mineralogist, 77, 431-437.
9. Yeremenko, G.K., Il'menov, Ye.S., and Azimi, N.A. (1977) Find of weeksite-group minerals in Afghanistan. Doklady Akademii Nauk SSSR, 237, 226-228.