 | | 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 ÂŤ 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) | | Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By AurĂ©lien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...morganite, 12.73 ct Swiss Blue topaz, 7.99 ct amethyst, 3.29 ct tourmaline, 2.40 ct aquamarine, 1.12...material was initially thought by some dealers to be amethyst. The first parcel that Hashmi learned about (through...Junior (BC Gemas do Brasil, Governador Valadares, Brazil), and heating to 500°C in air was successful in |  | | Journal (article/letter/editorial) | | and spessartine. Historic localities are found in Brazil, Madagascar, Russia, and the United States, but...(Simmons 2007). Historically, pegmatite deposits in Brazil, Madagascar, Russia, and the United States have...AcadĂŞmico HĂ©lio Ramos, 54740-530, Recife, Pernambuco, Brazil E-mail: beurlen@ufpe.br E LEMENTS , V OL . 8,...right from the upper left, pink morganite beryl (Brazil, 100.99 ct, 35.96 Ă— 25.69 mm), blue topaz (Zimbabwe...red-violet elbaite tourmaline (Brazil, 16.87 ct), blue aquamarine beryl (Brazil, 17.96 ct), orange spessartine |  | | Journal (issue) | | the International Gemmological Conference held in Brazil in September/October 1987, the author was given...cavities on the basal pinacoid of an aquamarine from Brazil. The c-axis is perpendicular to the image. Nomarski...Madagascar, sample (d) from Sta, Terezinba de Goias, Brazil, and sample (e) from Miku, Zambia, representing...chromium-free green beryl is known (Salininha, Bahia, Brazil), and some samples of a similar type were also...Sandawana, Zimbabwe; Lake Manyara, Tanzania; Itabira, Brazil or Ural Mountains, USSR, reveal the presence of |  | | Journal (issue) | | Pearl Testing 36 Emeralds from South America – Brazil and Colombia 48 Clinohumite – The Mountain Fire...rise of new economies such as China, India, and Brazil. The challenges have been numerous as these new...every ICA member, I would like to thank the IBGM in Brazil along with every company, individual, and government... G E M O LO G Y Emeralds from South America – Brazil and Colombia By Dr. Dietmar Schwarz, research manager...terms of size and variety of gemstone deposits, Brazil can be considered as a large gemological province |  | | Book | | entre outros os que consideraram o noroeste do Ceará (BeltrĂŁo et al. 1977), Rio Grande do Sul (Fernandes...e Bahia, Goiás), e outros menores (Pernambuco, Ceará, Goiás, sul de Minas Gerais, leste de SĂŁo Paulo...Roraima, Bahia, Minas Gerais, Goiás,Tocantins, Ceará), em alguns locais chegando a aberturas oceânicas...prolongamentos do CinturĂŁo de Cisalhamento Noroeste do Ceará, do Lineamento Patos e Lineamento Pernambuco. O...sistemas orogĂŞnicos Borborema (DomĂnios MĂ©dio CoreaĂş, Ceará Central e Riacho do Pontal) e Tocantins (Cinturões |  | | Journal (issue) | | 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...mining also continued at traditional sources in Brazil and Africa. Large quantities of Brazilian emeralds...reserves and reduced demand. Emerald production in Brazil has since continued to decline. Several sources...especially a problem for emeralds from Colombia and Brazil, which led to greater market demand for African |  | | Journal (issue) | | Federal University of Ouro Preto, Minas Gerais, Brazil **University of Mainz, FRG 1. Introduction The...state of Bahia (besides emerald, others include amethyst, citrine, aquamarine, diamond, sodalite and ruby)...been the most important emerald mining region in Brazil until the discovery of the Santa Terezinha occurrence...The emeralds of the Belmont Mine, Minas Gerais, Brazil. J. Gemm., 20(7/ 8), 446-56. Inda, H.A.V., Barbosa...ConvĂŞnio CPM-CBPM. Sauer, D., 1982. Emeralds from Brazil. International Gemmological Symposium. Proc. 1982 |  | | Journal (issue) | | ARTICLES 260 An Update on “ParaĂba” Tourmaline from Brazil James E. Shigley, Brian C. Cook, Brendan M. Laurs...Conferences • Gem resources of Afghanistan • Update on amethyst, citrine, and ametrine from the AnahĂ mine, Bolivia...corundum from Wyoming • Green kyanite from Bahia, Brazil • “Ruby Rock” cabochons • Tourmaline from Warner...More recently, Brendan has visited Madagascar and Brazil to obtain first-hand knowledge of important gem...of gemological topics: “ParaĂba” tourmaline from Brazil, spessartine garnet from California, Malaya garnet |  | | Book (edition) | | Data (CIP) (Information Sectorial Nucleus, SP, Brazil) I59 IBGM. Handbook of Gems / IBGM, DNPM. – 4...I. Title. CDU 549.091 Federative Republic of Brazil Ministry of Mines and Energy National Department...respect to the most commonly found and traded gems in Brazil. Such information is generally described in documents...to disclose our vast gemological assets both in Brazil and abroad. Therefore, this publication covers...18 Agate 19 Alexandrite 20 Almandine Garnet 21 Amethyst 22 Andalusite 23 Andradite Garnet 24 Apatite 25 |  | | Journal (article/letter/editorial) | | OF THE GEOLOGY, MINERALOGY, AND PALEONTOLOGY OF BRAZIL* BY JO H N C. BRANNER ( Presented by title before...No comprehensive bibliography of the geology of Brazil has hitherto been attempted. M. de Margerie, in...pretense of being a bibliography of the geology of Brazil. In 1881 the Bibliotheca Nacional, at Rio de Janeiro...important Catalogo da Exposigao da Historia do Brazil in two large volumes. One of these volumes contains...Bibliotheca Nacional that relate to the geology of Brazil, and included in this are many titles of works |  | | Journal (issue) | | distinction of natural and synthetic sapphire, ruby, amethyst and citrine. Journal of Gemmology, Vol. 22, No...Geological Congress, August 6–17, Rio de Janeiro, Brazil. Smith C.P., Kammerling R.C., Keller A.S., Peretti...carnelian, and diorite) are of local origin. However, amethyst, nephrite, serpentine, and turquoise were found...nephrite (frog carving), amethyst, chalcedony; carnelian (fragment); column 4 = amethyst, quartz, carnelian...discussed above. The several varieties of quartz (amethyst, carnelian, chalcedony, and jasper) were distinguished |  | | Journal (issue) | | INSTITUTE OF AMERICA Emeralds from Northeastern Brazil Diamantine: Coated Cubic Zirconia Precision Measurement...the Fazenda Bonfim Region, Rio Grande do Norte, Brazil J. C. (Hanco) Zwaan, Dorrit E. Jacob, Tobias Häger...Polished emeralds from this deposit in northeastern Brazil, discovered in 2006, typically display a saturated...from Pakistan • Cat’s-eye emerald from Belmont, Brazil • Meteorite watches • Purple common opal from Mexico...of the publisher. About the Cover For decades, Brazil has been one of the world’s major sources of fine |  | | Journal (issue) | | 1917 the deep blue beryls from the Maxixe mine in Brazil have been a source of fascination both for those...encountered in emeralds from Colombia (Schwarz, 1995), Brazil (Hänni et al, 1987; Schwarz and Eidt, 1989; Schwarz...Manyara, Tanzania Fluorite Carnafba / BA, Brazil Socot6/BA, Brazil Khaltaro, Pakistan Mingora-Swat, Pakistan...BA Socot6/ BA Santa Terezinha / GO Goias State, Brazil Western Australia (Poona, Menzies) Ural Mountains...Madagascar Sandawana / Machingwe Santa Terezinha / GO, Brazil Hanni and Klein, 1982 Schwarz, 1995 Cassedanne |  | | Journal (issue) | | 8.9 cm. Erongo Mountains, Namibia. Figure 230. Amethyst sceptered quartz, 2.1 cm. Uli Bahmann collection;...areas stained brown by iron oxides. Figure 1. Amethyst crystal cluster, 10.7 cm, from Sils, La Selva...a group of about 50 good specimens of scepter amethyst collected over the last two years from two sandstone...milky quartz stalks topped by wide, deep purple amethyst scepters, to groups of sceptered prisms rising...across. The luster is not of the highest, but the amethyst scepters are richly colored, and translucent to |  | | Journal (issue) | | Metales del Oriente examines some of the larger amethyst specimens. The gems in the foreground are: (1)...MARKETS Figure 9. Near Nova Era in Minas Gerais, Brazil, the Belmont mine operates using sophisticated...other mines in the area slowed (Weldon, 2006). Brazil witnessed a sustained slump in overall gemstone...ruby, and sapphire in Madagascar; owns the Kariba amethyst mine in Zambia; and has cutting facilities in...in places like the United Arab Emirates, Russia, Brazil, India, and China—locations that would not have |  | | Journal (issue) | | Minas Gerais, Brazil **University of Mainz, West Germany ***CPRM, Salvador, Bahia, Brazil 1. Introduction...BA-10 Socoto Socotö 1. The emerald occurrences in Brazil. Fig. 1. Ceara Cearâ CE-ll Tami CE-llTauâ Minas...BelmontMine, Mine,Minas Minas Gerais, Brazil. Journal ofGemmothe Gerais, Brazil. Journal of Gemmology, logy,446-56...(Bahai, (Bahai, granite massifs massifs of granite Brazil) and and their their Be, Be, Mo, Mo, W W mineralizations...mineralizations. mineralizations. Intern. Intern. Symp. Brazil) Symp. on Granites Granites and and associated |  | | Journal (issue) | | October 2022 | New Scientist | 7 News Analysis Brazil election SINCE Brazilian president Jair Bolsonaro...but this is the most important election ever in Brazil for the Amazon and its survival,” says Erika Berenguer...PERES/AP/SHUTTERSTOCK Decision time for the Amazon If Brazil re-elects Jair Bolsonaro as president, the impact...cent of the votes. Former governor of the state of Ceará, Ciro Gomes, and senator Simone Tebet are also in...funding that have been lost under Bolsonaro, turning Brazil into a global leader on tackling climate change |  | | Report (issue) | | PLURINATIONAL STATE OF BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI DARUSSALAM BULGARIA BURKINA FASO BURUNDI...district, Brazil [42]) or (b) remobilization by supergene fluids (e.g. Poços de Caldas deposit, Brazil). The...Olympic Dam in Australia, or the Itataia deposit in Brazil. VolcanicMagmatic PAk hydrothermal IOCG(U) ...Poços de Caldas, Brazil); Class 1.2.3. Carbonatite (Phalabora, South Africa; CatalĂŁo, Brazil). 11 Type...derived (Kirovograd district, Ukraine; Lagoa Real, Brazil); Class 5.1.2. Metasediment–metavolcanic derived |  | | Book (volume) | | collections from the recently opened country of Brazil arrived in Germany (Stresemann 1950). One of his...latter years of the Napoleonic wars (1807-1815). As Brazil had recently opened to foreigners, he visited several...intervals of 7-8 or more seconds, not unlike call of Amethyst Brown-dove (Phapitreron amethystina) but longer;...Austin & Kuroda (1953), Banks (1949), Beaman (1994), Brazil (1991), Carey et al. (2001), Chalmers (1986), Cheng...genera. The arid caatinga region of extreme east Brazil is the home of the Red-shouldered Spinetail (Gyalophylax |  | | Book | | picroilmenite and chrome diopside, occasionally gorceixite (Brazil) in alluvial sediments. 23 Graphite forms at...concentrated over a relatively small area (e.g. Brazil, Sierra Leone, Kerala in India). After the subsidence...Urals,U#S.S.R.,(Tatarlnov ed#,196S), Minas GĂ©rais, Brazil (Johnston and Butler,1946) Southern and Western...Czechoslovakia (Gillson ed·, 196Q.P.424) beaches : Brazil, India."" Australia (Lamey,1966) 111 Table 8/11...in North Carolina and in Virginia (U.S.A·), in Brazil and Kenya. In the environs of Sysertsk in the Ural |  | | 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;...gems in the Fitzwilliam rarely often used, amethyst the natural done have received declared: ...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 |  | | Journal (issue) | | Margrethe Gram-Jensen. Ruiselede: Lucette Nols BRAZIL Rio de Janeiro: Luiz Angelo CANADA Cowansville...Mines and Energy, Brazil) mentioned proposed changes to mining legislation in Brazil that are designed...1994, p. 127), the original Maxixe beryls mined in Brazil contained small amounts of cesium and lesser amounts...gem nodules from the Bananal mine, Minas Gerais, Brazil,” pp. 25 – 29). According to Dr. George Rossman...copper-bearing “ParaĂba” tourmaline from northeast Brazil (see also the following entry). EDXRF qualitative |  | | Book (volume) | | Rouge, Louisiana, USA; currently based in Manaus, Brazil. Dr N. J. Collar Research Fellow, BirdLife International...to N Brazil (S to Amazon); also Trinidad and Tobago. T. a. tuidara (J, E. Gray, 1829) - Brazil (S of...restricted to forest areas | from south-east Mexico to Brazil. In terms of its | external appearance, | this...primitive forms. [Asio clamator clamator, Minas Gerais, Brazil. Photo: Luiz Claudio Marigo] is the sole member... [Asio stygius stygius, Araguai, Minas Gerais, Brazil. Photo: Edson Endrigo] nucleotide sequences in |  | | Book (volume) | | the descriptions of some 40 species, also from Brazil. From our initial projected list for the volume...Partnership. From large countries like the USA and Brazil to small and remote Pacific island states, the...participants have come from Cuba, Mexico, Jamaica, Brazil, Ecuador, Colombia, Bolivia, Puerto Rico, Panama...Partnership. For example, the Seychelles, Indonesia, Brazil and Madagascar all lacked national conservation...(right), presents a copy of Important Bird Areas in Brazil: Part | — the Atlantic Forest Region to Brazil's |
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Fazenda Boa Esperança, Tauá, Ceará, Brazil