 | Beurlen, Hartmut, Da Silva, Marcelo R. R., Thomas, Rainer, Soares, Dwight R., Olivier, Patrick (2008) Nb–Ta–(Ti–Sn) oxide mineral chemistry as tracer of rare-element granitic pegmatite fractionation in the Borborema Province, Northeastern Brazil. Mineralium Deposita, 43 (2) 207-228 doi:10.1007/s00126-007-0152-4 | Journal (article/letter/editorial) | | fractionation in the Borborema Province, Northeastern Brazil Hartmut Beurlen & Marcelo R. R. Da Silva & Rainer...Borborema Pegmatitic Province (BPP), northeastern Brazil, is historically important for tantalum mining...the production of gem quality, turquoise blue, ‘Paraíba Elbaite.’ With more than 750 registered mineralized...n., Cidade Universitária, 50740-530 Recife, PE, Brazil e-mail: beurlen@terra.com.br M. R. R. Da Silva...n., Cidade Universitária, 50740-530 Recife, PE, Brazil M. R. R. Da Silva e-mail: marcelor@ufpe.br R. Thomas |  | Beurlen, H., Barreto, S. B., Silva, D., Wirth, R., Olivier, P. (2007) TITANIAN IXIOLITE - NIOBIAN RUTILE INTERGROWTHS FROM THE BORBOREMA PEGMATITIC PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 45 (6) 1367-1387 doi:10.3749/canmin.45.6.1367 | Journal (article/letter/editorial) | | THE BORBOREMA PEGMATITIC PROVINCE, NORTHEASTERN BRAZIL Hartmut BEURLEN§ Programa de PG em Geociências...Hélio Ramos s.n., 50740–530 Recife, Pernambuco, Brazil Sandra Brito BARRETO Deptamento de Geologia, Universidade...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Dailto SILVA Instituto de Geociências, IGE–UNICAMP...Barão Geraldo, 13083–970 Campinas, São Paulo State, Brazil Richard WIRTH GeoForschungsZentrum Potsdam, Telegrafenberg...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Abstract Intergrowths of orthorhombic and tetragonal |  | | Book | | celebrated Golconda mines being in the Madras area; in Brazil, from Diamantina, Minas Gerais; from South Africa...and from the Morro Velho gold mine, Minas Gerais, Brazil. Treatment. As for chalcopyrite. Acanthite and...composition to joseite. Localities. From Minas Gerais, Brazil. Molybdenite MoS2 An important ore of molybdenum... Ives areas of Cornwall. Peru, Bolivia, Chile, Brazil, Japan and Mexico also provide excellent material...HYDROXIDES Right: A superb trilling of chrysoberyl from Brazil. The apparent hexagonal form is due to grouping |  | | Book (edition) | | Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara, Brazil, H Rhodocbrosite, polished, 50 mm, Capillitas,... China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia...Ethiopia, G Page 12: Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California...Tirol, Austria, and at Passo di Vizze, Trentino-Alto Adige, Italy. Actinolite asbestos occurs mainly...mine. Edwards. St. blue masses at Brumado Bahia, Brazil. At SchneeLawrenceco.. NewYork.andon LakeHarbour |  | | Book | | a comparatively new gem material, discovered in Brazil in 1944. Most rough material offered for sale is...Lazulite. Apart from the very small crystals from Brazil, the majority of this material is only suitable...occurrence, but faceting-grade rough comes only from Brazil. Malachite. Due to its beautiful markings in pale...of marialite and meionite and occurs in Burma, Brazil and Madagascar. Cat’s eyes and ordinary cabochons...in Below left: Sphalerite or India, Bolivia and Brazil. Sodalite may also be blende, an ore of tumble-polished | | | Book | | a comparatively new gem material, discovered in Brazil in 1944. Most rough material offered for sale is...Lagzulite. Apart from the very small crystals from Brazil, the majority of this material is only suitable...occurrence, but faceting-grade rough comes only from Brazil. Malachite. Due to its beautiful markings in pale...of marialite and meionite and occurs in Burma, Brazil and Madagascar. Cat’s eyes and ordinary cabochons...material which is also found in India, Bolivia and Brazil. Sodalite may also be tumble-polished. Sphalerite |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Luiz A. D. Menezes: Belo Horizonte, Minas Gerais, Brazil. William C. Metropolis: Mineralogical Museum, Harvard..., Washington, D.C. John J. Trelawney Esq.: Palo Alto, California. Rudy W. Tschernich: Snohomish, Washington...Wokitecas eel TMPS Tia VER YUC ZAC States, Brazil Acre Alagoas Amapa Amazonas Bahia Ceara Para... and Ecuador; Morro Velho mine, Nova Lima, MG, Brazil. sm DI:90, R:321, P&J:281, ABI:189, MR 13:323(1982)... Cauca, ABI:410. Bom Sucesso, near Serro, MG, Brazil. 8m DI:106, R:340, P&J:302, 1.2.1.2 Iridium Ir |
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