 | | Journal (article/letter/editorial) | | BERYL-TANTALITE-CASSITERITE TITES OF PARAIBA NORTE, AND PEGMA- RIO NORTHEASTERN GRANDE DO BRAZIL. • SANDOVAL...midwaybetweenNatal andRecifeon the northeastcoastof Brazil (Fig. 1). Theyhavebeendescribed by De Moraes •...Avulso 38, 1939. •o6 PEGMATITES OF NORTHEASTERN BRAZIL. 207 fromthestart.In late'May andearlyJune, 1942...showinglocationof the pegmatitearea in northeastern Brazil. spentthreeweeksin the pegmatitearea,driving over...tracedalongtheir strikes. PEGMAT1TES OF NORTHEASTERN BRAZIL. 209 PEGMATITES. Texturally, the pegmatitescan |  | 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 |  | 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 |  | | Journal (article/letter/editorial) | | h i s i n d e x . Acari, Rio Grande do Notre, Brazil, Bismutotantalite, 785. Adularia,Zambia, cryst...561; Rajasthan, India, 1018. Alto Feio, Pedra Lavrada, Paraiba, Brazil, bismoclite, bismuth, bismutite...li. Arrojadite, Brazil, d.t.a., 427. Arsenic, geochemistry of, 88. Arsenobismite, Brazil, 785. Artern,...Bancroft, Ontario, peristerite, 165. Barbosalite, Brazil, 784. Barium feldspars, see Barinm-orthoclase,...Bismoclite, Brazil, 785. Bismuth, native, Brazil, 785. Bismuthinite, Brazil, 785. Bismutite, Brazil, 785. Bismutotantalite |  | | Book | | until he managed to reach the land of his dreams, Brazil. A specialist in the field of geology and mineralogy...crystals and the remarkable mineral treasures of Brazil, as well as the incredible adventures and difficulties...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL Cyan Magenta Yellow Black 1 Delev Ilia Deleff...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL SOFIA–MOSCOW 2004 3 Cyan Magenta Yellow Black...MINERAL TREASURES OF BRAZIL 76 85 AN OUTLINE OF THE MINERAL RESOURCES OF BRAZIL ORIGIN OF GIANT CRYSTALS |  | | Journal (issue) | | Crystallized and massive rose quartz deposits in Brazil Jacques P. Cassedanne, Cassedanne, D.Sc.,* D.Sc...910, 21.910, Rio Rio de de Janeiro, Janeiro, Brazil Brazil *Institute of **Roditi Jewellers, Avenida Rio...Branco 39, 15,20.090, 15, 20.090, Rio de Janeiro, Brazil Abstract Brazilian rose rosequartz quartzoriginates...minerals are: schor!, cassiterite, nioboAssociated minerals are: schorl, cassiterite, niobotantalite, tantalite...Borracha (State of Pernambuco) and Alto Feio (State of Paraiba). Paraíba). Geology, mining, mineralogy and |  | | Book | | 1982 Jules Roger Sauer ” Foreword For years Brazil has been the major producer of colored stones in...metamorphic rocks, the variety of gem deposits in Brazil is almost infinite. In addition to the mineral...assemblage one might expect from pegmatite dikes, Brazil also produces a very significant output of diamonds...written in English, and beautifully illustrated. “Brazil, Paradise of Gemstones’, by Jules Roger Sauer,...Century. The book is a showcase ofthe best from Brazil and it makes a handsome evocation of what is beautiful |  | | Journal (article/letter/editorial) | | pegmatites from the Borborema Province, Northeast Brazil Hartmut Beurlen ) , Marcelo R.R. da Silva, Claudio...Rua Acad. Helio Ramos s.n. 50.740 530 RECIFE-PE, Brazil Accepted 18 January 2000 Abstract Fluid inclusions...Borborema Pegmatite Province ŽBPP. in Northeast Brazil. Some well-known heterogeneous Be–Ta– ŽLi–Sn. mineralized...map of the Borborema Tectonic Province, Northeast Brazil, modified after Brito Neves Ž1983., showing the...data in pegmatites of the BPP, in Northeastern Brazil, where similar approaches had not yet been attempted |  | | Journal (article/letter/editorial) | | Introduction and acknowledgments General description of the Alto do Giz Mineralogy Simpsonite Microlite Tantalite...ILLUSTRATIONS Figure 1.—Typical tabular yellow-brown Alto do Giz simpsonite crystal 2.—Minute tabular, buff-colored...crystal fragment from Onca Mine Plate 1.—Simpsonite 2.—Alto do Giz 3.—Kaolinite replacements 4.—Microlite and...ABSTRACT A study of the Alto do Giz, near Equador, Rio Grande do Norte, Brazil, reveals an interesting...of the numerous pegmatite operations in northern Brazil is a relatively recent development, since the beginning |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (issue) | | much from Sri Lanka, Australia and Colombia and Brazil, but what impressed me most was the extent of the...amblygonite, anglesite, augite, azurite, barite, cassiterite, cerussite, magnesite, scheelite, smithsonite...(P.B.), WILSON (W.E.). Hydroxyl-herderite from Brazil and a guide to species nomenclature for the he...from Virgem do Lapa and the Golconda mine, both in Brazil. M.O'D. FISCHER (K.). Knallerbsen und Katzenaugen...area; these include spessartine, topaz, quartz, cassiterite, beryl (aquamarine and morganite) and orthoclase |  | | Journal (issue) | | Minas Gérais, Brazil. See 'The location, geology and mineralogy of gem tourmalines in Brazil' on pp. 263-98...location, geology and mineralogy of gem tourmalines in Brazil Jacques P. Cassedanne, Dr. Sc. *, and Maurice Roditi...Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological Association and Gem Testing Laboratory...the most remarkable coloured gemstones mined in Brazil where, erroneously, for a long time it was marketed...the chatoyancy of some elbaites from northeastern Brazil can be attributed to channel leaching. Pseudomorphs |  | | 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 |  | | Journal (issue) | | from Brazil shows chatoyancy caused by flat hollow channels. Four-rayed star aquamarine from Brazil has...the c-axis. A tourmaline-quartz combination from Brazil has an iridescent chatoyancy Grey orthoclase moonstone...cat's-eye from Brazil A very unusual example of a cat's-eye was purchased in Brazil by the author in...measuring Figure 1: Chatoyant pale blue topaz from Brazil weighing 152.15 ct. Photo by J. Hyrsl. 32.94 x...described two topaz cat'seyes, one blue of 7.98 ct from Brazil and another colourless of 12.20 ct from Sri Lanka |  | | Book | | Deviations 371 Bolivia, 377 332 Proportions Brazil, 378 Angles of Faceted Bulgaria, 399 333 Burma... Cajon, Schmetzer, Heidelberg, De Janeiro, Brazil; Geological ton, VA; seum, Marie and Germany;...date of 1000 of Brazil. by the aborigines 40 Kunz inch (25 Indians of Brazil. these minerals In...pre-Columbian sites of Code, grave tematically of Brazil. labret made from a Colombian emeralds countries...fossils, crystals, misnomer which lasted into Brazil them into fifteen placing terminated semblance |  | | Journal (issue) | | Minerals McCullough Fossils Menezes, Luiz, Minerals - Brazil Midwest Minerals Mineral Exploration Services Mineral...S. JEM, Inc. Usman Imports Valadares Minerals - Brazil West Coast M ining Wolfe, Tom, Minerals Wright's...Show on Saturday, February 12, 2000. Minerals o f Brazil were the feature of the 2000 Tucson Show and were...were the subject of the 2000 mineral symposium. Brazil is the fifth largest country in the world and the...area. Perhaps it should not be surprising that Brazil has yielded consid erable mineralogical wealth |  | | Book | | Occurrence: The Americas 63 USA 64 Mexico 72 Panama 75 Brazil 75 Canada 80 7 Occurrence: Rest of the world 81...quartz crystals come from the State of Minas Gerais, Brazil, and occur in vugs or pockets which are found in...growth condition but it has been observed that Brazil twinning (see below) is very frequent in amethyst...Figure 2.6 Examples of Dauphine twinning Brazil twinning In Brazil twinning the parts are related by reflection...been found to be composed of regular polysynthetic Brazil twins as thin lamellae parallel to the terminal |  | | 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...pneumatolytic contact deposits and is associated with cassiterite, scheelite, and wolframite; it may also be found... Ives areas of Cornwall. Peru, Bolivia, Chile, Brazil, Japan and Mexico also provide excellent material |  | | Book | | important ore minerals hematite, Fe203, and cassiterite, Sn02, a tin oxide, are representative of the...particular feldspars or micas, or perhaps beryl, cassiterite, or tourmaline. The rest of this chapter is intended...gold, gold tellurides, magnetite, ilmenite, cassiterite, scheelite, wolframite, molybdenite, garnet,... andalusite, monazite, magnetite, ilmenite, cassiterite, gold, the platinum minerals and diamond. Many... andalusite, monazite, magnetite, ilmenite, cassiterite, gold, the platinum minerals and diamond. Many | | | Book | | important ore minerals hematite, Fe,O3, and cassiterite, SnO>, a tin oxide, are representative many...particular feldspars or micas, or perhaps beryl, cassiterite, or tourmaline. The rest of this chapter is intended...deposits and tellurides, magnetite, ilmenite, cassiterite, scheelite, wolframite, molybdenite, garnet,...Native metals such as gold, or ores such as cassiterite, may be concentrated in the course of being transported...a comparatively new gem material, discovered in Brazil in 1944. Most rough material offered for sale is |  | 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 |  | | Book | | indicating a carbonaceous material. Emeralds from Brazil are usually full of thin liquid films and there...noticed in a goshenite (colourless beryl) from Brazil and in the same crystal a manganese apatite and...penetration twin, AA' twin axis. (c) Tetragonal: cassiterite, contact twin. (d) Hexagonal: calcite, contact...always twinned according to two different laws: the Brazil twin in which left- and righthanded crystals interpenetrate...heat-treatment qf some brownish material from Ouro Preto, Brazil; it contains sufficient chromium to show a red |  | | Journal (issue) | | Well-formed crystals also occur in Peru, Bolivia, Chile, Brazil, Japan and Mexico. 'Sand dollars' are particularly...was the rose cut. The discovery of diamonds in Brazil in the early decades of the eighteenth century...diamond-cutting industry based on rough being imported from Brazil. Bauer39 also quotes Geneva as the source of cut... A kunzit e cat's-eye weig hing 113.32 ct from Brazil is described as are phosgenites from Morocco. Schungite...location, geology and mineralogy of gem tourmalines in Brazil SOLOMONOV, V.I., MIKHAILOV, S.G., OSIPOV, V.V. | | | Book | | indicating a carbonaceous material. Emeralds from Brazil are usually full of thin liquid films and there...noticed in a goshenite (colourless beryl) from Brazil and in the same crystal a manganese apatite and...always twinned according to two different laws: the Brazil twin in which left- and righthanded crystals interpenetrate...heat-treatment of some brownish material from Ouro Preto, Brazil; it contains sufficient chromium to show a red...original stones were found at the Maxixe mine in Brazil in 1917 and in about 1971 stones of a similar colour |  | | Book | | materials Quartz crystals from Corinto, Minas Gerais, Brazil. Height: 15 cm. Sorbonne collection using gravity...Washing diamond-bearing gravel in Minas Gerais, Brazil. Photo: tals of such minerals as quartz, fluorite...and a jeweler might then speak of a ‘root’ as Brazil Length: 9 cm. K. Proctor collection, United States... These unique conditions of gem prospecting in Brazil illustrate the willingness of men to endure extreme...crystallize Dreams of Wealth: The Garimpeiro of Brazil first, to form the granite. The residual magma |
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