 | | Journal (article/letter/editorial) | | THE BERYL-TANTALITE-CASSITERITE TITES OF PARAIBA NORTE, AND PEGMA- RIO NORTHEASTERN GRANDE...GRANDE DO BRAZIL. • SANDOVAL CARNEIRO DE ALMEIDA, W. D. JOHNSTON, JR., OTHON H. LEONARDOS, AND EVARISTO.......................... 206 208 209 210 210 Beryl ..................................................midwaybetweenNatal andRecifeon the northeastcoastof Brazil (Fig. 1). Theyhavebeendescribed by De Moraes •...increasing theproduction of tantalite, columbite,beryl and possiblyother pegmatiteminerals. Dr. SandovalCarneiro |  | | 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,... celsian, 508. Berek compensator, use of, 431. Beryl melts and glasses, crystallization of, 250. Beryllonite |  | 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 | | 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 |  | 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...to classify most pegmatites as belonging to the beryl–columbite phosphate subtype. Electron microprobe...n., Cidade Universitária, 50740-530 Recife, PE, Brazil e-mail: beurlen@terra.com.br M. R. R. Da Silva |  | | Journal (issue) | | conditions are likely to be similar. In the past beryl was a very important strategic mineral, and Zimbabwe...Gemm., 1991,22,5 5 270 largest producer with beryl occurring in many localities. This circumstance...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 |  | | 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...tourmaline of the border zone and graphic quartz, beryl, manganotantalite, and blue tourmaline of zones...map of the Borborema Tectonic Province, Northeast Brazil, modified after Brito Neves Ž1983., showing the |  | | 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 |  | | Journal (issue) | | 32 ct Paraíba tourmaline, (11) 2.16 ct demantoid, (12) 1.05 ct emerald, (13) 1.99 ct red beryl, (14)...Namibia, as well as Madagascar), South America (Brazil and Colombia), central and southern Asia (Sri Lanka...Pakistan; and pink to red tourmalines from Nigeria and Brazil. Diamond was mined in northern Canada for the first...feldspar, iolite, lapis lazuli, maw sit sit, red beryl, rhodochrosite, rhodonite, scapolite, sphene, spodumene...by Robert Weldon. 294 Localities of the 1990s BERYL Emerald. Colombia still reigned throughout the 1990s |  | | 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 | | 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...important gemstones. Nilaw is a pegmatite with beryl, various feldspars, tourmaline, spodumene and pollucite;...Korgal the pegmatite produces fine elbaite with beryl, muscovite and microcline. Crystals of tourmaline...(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 |  | | Journal (issue) | | working: Brejinho's amethyst deposits in Bahia, Brazil.) Bull. Assoc. Franc. Gemmologie, 31,14; 32,7-9...in the central south-west of the state of Bahia, Brazil, about 430 km west-south-west of Salvador. Amethyst...pegmatite a quartz rose du Alto Feio. (Rose quartz-bearing pegmatite at Alto Feio.) Revue de Gemmologie,...1978. Alto Feio lies in the north of the Brazilian state of Paraiba, in the north-east of Brazil. Alto...minerals from the area include tourmaline (black), beryl (pale blue or green), zircon and garnet. M.O'D. |  | | 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 |  | | Journal (issue) | | Santa Maria mine, Brazil; (2) 20.10-ct peridot, Burma; (3) 21.09-ct kunzite, Brazil; (4) 8.14-ct grossular... California; (6) 15.18-ct tourmaline, Paraiba, Brazil; (7) 10.42-ct tanzanite, Tanzania; (8) 6.09-ct...38-ct ruby, Burma; (17) 3.08ct tourmaline, Paraiba, Brazil; (18) 1.85-ct fancy purple-pink diamond, Argyle...number of new localities. Fine alexandrites from Brazil, sapphires from Southeast Asia and Australia, emeralds...pegmatite gemstones (tourmaline, aquamarine, etc.) from Brazil, Pakistan, Afghanistan, and several countries in |  | | Journal (issue) | | synthetic moissanite • Fracture fillers in ruby • Paraíba tourmaline 260 Gem News • APEC 2000 report •...Colombia • Lavender sugilite with green spots • Paraíba tourmaline update • “Winebottle” tourmaline • Magnetic...Geological Congress, August 6–17, Rio de Janeiro, Brazil. Smith C.P., Kammerling R.C., Keller A.S., Peretti... GEMS & GEMOLOGY Fall 2000 243 turquoise (Brazil and Chile), based solely on their known geologic...Cody (1990, 1991a) for amethyst (Brazil and Guyana), nephrite (Brazil, Guyana, and Venezuela), serpentine |  | | 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 | | world mineralo- authority provides cultural beryl: and mineral collectors. here sciences, yet...material causes of to jewelry on the and beryl uses the techno- fora mineral only for and...cultural mineralogical once events. languages for beryl emerald logical to and part, Sinkankas explores...jewels—and relatives, beryl is a of the ago, the fabled Table golden beryl medicine years of...Queen 5500 Egypt the part is anywhere an beryl deposits, of fine crystal Sinkankas has in the |  | | Journal (issue) | | colours (NC) AS Lebedev/USSR HyS 1994 Emerald, red beryl Tairus/Russia and others HyS N80, 149; C 8 1...Year Synthetic material Beryl, including emerald, aquamarine and red beryl Flux method: 1848 Emerald...1965 Emerald 1979 Watermelon beryl (SP) 1981 Aquamarine, pink and red beryl (SP) ? HyS 128 129 131 129...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 |  | | 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 | | Butterworths Gem Books Edited by Peter G. Read Beryl John Sinkankas and Peter G. Read Garnet John D....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...Agricola, but the word was more loosely used then as beryl and other green minerals took the same name. The...growth condition but it has been observed that Brazil twinning (see below) is very frequent in amethyst |  | | Book | | Benitoite 130 130 Idocrase Intaglio 90 Axinite Beryl 130 Hydrophane 81 90 Demantoid 70 Halbanite...cited benitoite and the medium to slightly dark red beryl, but their point is well taken. It is interesting...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 |  | | Book | | source of chromium; without it the corundum and beryl minerals, of which ruby and emerald are special...indicating a carbonaceous material. Emeralds from Brazil are usually full of thin liquid films and there...described some inclusions found more recently in beryl. Beryl of greenish and bluish colours, as well as some...of the cubic system. In a Brazilian colourless beryl, particularly prominent was a large brown mineral...also been noticed in a goshenite (colourless beryl) from Brazil and in the same crystal a manganese apatite |  | | 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 |
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