| | Journal (issue) | County, Virginia, Virginia, Minas Minas Gerais, Gerais, Brazil, Brazil, Madagascar, Madagascar, Sri...1.802(3) Taita Hills, Kenya 2 1.795-1.809 Minas Gerais, Brazil3 1.803-1.805 4 Composition Garnets...Brazil:chemical chemicalcharacter characterand and Brazil: thermal behaviour behaviour thermal 1 1 2 2 3...Ouro Preto, MG, Brazil Universidade Federal dede Ouro Preto, 35400, Ouro Preto, MG, Brazil ABSTRACT: Imperial...associated quartz, feldspar, muscovite and cassiterite. The quartz, feldspar, muscovite and cassiterite. The | | | Journal (article/letter/editorial) | [Laurentian University] at 02:10 27 October 2013 Minas Gerais, Brazil O ne of the most interesting and at times...attractive 7.3-cm kyanite crystal on quartz from Minas Gerais, Brazil. The Marcus Grossmann specimen was photographed...Barra da Salinas, Coronel Murta, Minas Gerais, Southeast Region, Brazil. Arkenstone photo. mentions that...interesting 8.7-cm kyanite on quartz specimen from Minas Gerais, Brazil. Anonymous specimen owner, Jeff Scovil photo...Salinas district, Coronel Murta, Minas Gerais, Southeast Region, Brazil. Arkenstone photo. Figure 4. An | | | Journal (article/letter/editorial) | Granitoid Plutons of the Araquai Orogen, Southeastern Brazil: Tectonic Implications Veridiana T. de S. Martins'... 05508-080, Brazil CPMTC, fnstituto de GeociEncias, Universidade Federal de Minus Gerais, Belo Horizonte...Horizonte, M G , 31270-902, Brazil, E-mail: veridianausp. br (Manuscript received August 29,2002; accepted...northeastern region of the State of Minas Gerais, southeastern Brazil. The Araquai Orogen borders the SZo...Nd OF BRASILIANO GRANITOID PLUTONS SOUTHEASTERN BRAZIL a Archean-Paleoproterozoicbasement reworked during | | | Journal (article/letter/editorial) | occurs as thick greenish-yellow encrustations on muscovite associated with uraninite at the Ingersoll mine...pegmatites of Brazil. Perhaps the most cited are occurrences in the Malacacheta district, Minas Gerais. Here...Sapucaia mine in the Conselheiro Pena district, Minas Gerais; prospects at Penus, São Paulo; the Alto dos...Uranocircite, São Pedro mine, Malacacheta district, Minas Gerais, Brazil. Rocks & Minerals 69:320–23. | | | Journal (article/letter/editorial) | NORTE, AND PEGMA- RIO NORTHEASTERN GRANDE DO BRAZIL. • SANDOVAL CARNEIRO DE ALMEIDA, W. D. JOHNSTON...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 | | | Journal (article/letter/editorial) | Ga continent-wide amalgamation cycle in central Brazil Pedro Filipe de Oliveira Cordeiro, Claudinei Gouveia...Ga continent-wide amalgamation cycle in central Brazil, Precambrian Research (2017), doi: http://dx.doi...Ga continent-wide amalgamation cycle in central Brazil Pedro Filipe de Oliveira Cordeiro1, Claudinei Gouveia...Departamento de Geologia, 81270-460 Curitiba, PR, Brazil (cordeiropfo@gmail.com...Instituto de Geociencias, 70910-900 Brasília, DF, Brazil Pedro Filipe de Oliveira Cordeiro & Claudinei | | | Journal (issue) | epidote deposits of the Capelinha Region, Minas Gerais, Brazil ......................................315...epidote on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom Spann...w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly invites...EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 Carlos Cornejo2 Mario...mid-1960s, the Capelinha region in the State of Minas Gerais, Brazil, has become world-famous for producing beautiful | | | Journal (issue) | 32 Purple to Reddish Purple Chrysoberyl from Brazil 42 Identification Characteristics of Natural...Cat’s-eye Apatite from Brazil Intense blue apatite is known from Minas Gerais, Brazil, and cat’s-eye stones...Epstein (Precious Resources Ltda., Teófilo Otoni, Brazil). He reported that the material was found in January...These cat’s-eye apatites (2.45 and 3.80 ct) from Brazil are colourless, which is highly unusual for this...the origin of the unusual rough material within Brazil is unknown. Brendan M. Laurs Reference O’Donoghue | | | Journal (article/letter/editorial) | characteristic of gem tourmaline found in Pederneira, Minas Gerais, Brazil. SPECIMEN FROM DANIEL TRINCHILLO ; PHOTO...TOBER 2011 Faceted elbaite stones from Paraíba, Brazil (2.59– 3.68 ct; the stone on the left is about...discovery in the late 1980s in the Paraíba State of Brazil (e.g. Fritsch et al. 1990; Beurlen et al. 2011...Lake (1) Minas Gerais, Brazil Araçuaí district Conselheiro Pena district ♦ ♦ Malacacheta district...♦ (2) Paraíba, Brazil São José da Batalha area ▼ (3) Rio Grande do Norte, Brazil Parelhas area | | | Journal (issue) | and Anthony R. Kampf Gem Pegmatites of Minas Gerais, Brazil: Exploration, Occurrence, and Aquamarine...the northeastern section of the state of Minas Gemis, Brazil. The history of gem exploration and m i n...Te6filo Otoni-Marambaia pegmatite district of Minas Gerais. As is common with most aquamarines, the stones...gem pegmatite regions of the 20th century: Minas Gerais, Brazil. With these articles, we hope to take you...what pegmatite gems have meant historically in Brazil and the production of one very important pegmatite | | | Journal (issue) | mine, Minas Gérais, Brazil. See 'The location, geology and mineralogy of gem tourmalines in Brazil' on...location, geology and mineralogy of gem tourmalines in Brazil Jacques P. Cassedanne, Dr. Sc. *, and Maurice Roditi...consist of K-feldspar variably perthitized, albite, muscovite and milky quartz with some lepidolite, schorl...tourmaline is the 'Eastern pegmatitic province' of Minas Gerais. One general and three detailed maps of specific...Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological Association and Gem Testing Laboratory | | | 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 (issue) | Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...garnet-biotite gneiss and tourmaline-bearing muscovite-biotite granite. Mong Long hosts two main gem-mining...Junior (BC Gemas do Brasil, Governador Valadares, Brazil), and heating to 500°C in air was successful in...it is likely to have been Rio Grande do Sul in Brazil, well known for its amethyst, agate and jasper | | | Journal (issue) | APRIL 1993 Cover Picture The Hematita mine in Minas Gérais in 1987 - probably the richest alexandrite...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G.A. your key...also been examined by this method. These include muscovite in topaz, apatite in spinel and corundum, and...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil JacquesCassedanne, Cassedanne, D.Sc.,* Maurice...Fundiio, Fundão, 21,910, Rio de Janeiro, Janeiro, Brazil *Institute of Geosciences UFRJ-CNPq, Cidade Universitaria | | | Journal (issue) | MARCO AMAB I LI BERYL (variety aquamarine) with muscovite, 14.5 cm, from Dassu, Shigar Valley, Gilgit-Baltistan...cm, from near Galileia, Rio Doce Valley, Minas Gerais, Brazil. Roberto Appiani photo. IIEMATITE with... from the Santa Rosa mine, Doce Valley, Minas Gerais, Brazil. Jeff Scovil photo. Supplement to The Mineralogical...terminated scepter from the Medina mine, Minas Gerais, Brazil. Jeff Scovil photo. (above left) ELBAITE...Sao Jose da Safira, Minas Gerais, Brazil. Jeff Scovil photo. SCHEELITE on muscovite, 8 cm, from Mt. Xuebaoding | | | Book | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...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 | | Fernandes, Neil A., Olivo, Gema R., Layton-Matthews, Daniel, Voinot, Alexandre, Chipley, Donald, Diniz-Oliveira, Gustavo (2019) Geochemistry and provenance of siliciclastic rocks from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern margin of the São Francisco Craton and the Columbia Supercontinent. Precambrian Research, 335. 105483 doi:10.1016/j.precamres.2019.105483 | Journal (article/letter/editorial) | from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...6 floor, Itaim Bibi 04.571- 010, São Paulo SP, Brazil *Corresponding Author Abstract: Studies of provenance...account for nearly all of the zinc production in Brazil (Figures 2, 3; Olivo et al., 2018; Viviani et al | | Richter, Fabiana, Lana, Cristiano, Stevens, Gary, Buick, Ian, Pedrosa-Soares, Antônio Carlos, Alkmim, Fernando Flecha, Cutts, Kathryn (2016) Sedimentation, metamorphism and granite generation in a back-arc region: Records from the Ediacaran Nova Venécia Complex (Araçuaí Orogen, Southeastern Brazil) Precambrian Research, 272. 78-100 doi:10.1016/j.precamres.2015.10.012 | Journal (article/letter/editorial) | Venécia Complex (Araçuaí Orogen, Southeastern Brazil) Fabiana Richter a,∗ , Cristiano Lana a , Gary...Universidade Federal de Ouro Preto, Ouro Preto, Brazil Department of Earth Sciences, Stellenbosch University...Geociencias, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil b a r t i c l e i n f o Article...the Araçuaí Orogen (AO, 630–480 Ma), southeast Brazil, exposes a mid-crustal section with abundant evidence...2004), its type example, the Araçuaí Orogen (AO, Brazil), still lacks detailed investigation. Studies on | | | Journal (issue) | later shifted his focus to Mexico, and traveled to Brazil, irnporting !arge Supplement to The Mineralogical...Brumado mine, Brumado, Serra das Eguas, Bahia, Brazil. Don and Laura Aaron photo. 12 Supplement to...Spodumene, 9.5 cm, from Resplendor, Doce Valley, Minas Gerais, Brazil. Don and Laura Aaron photo. Malachite with...Laura Aaron photo. Aquamarine with spessartine, muscovite and feldspar, 10 cm, from Raikot, Chilas, Diamar...mid 1990s. Paul Bordovsky photo. Aquamarine on muscovite, 8.7 cm, from Mt. Xuebaoding, Pingwu, Mianyang | | | Report (volume) | Pernambuco, Recife, Brazil J. S. BETTENCOURT Universidade de Sao Paulo, Brazil C. P. DE CAMPOS Lud...FERREIRA Federal University of Pernambuco, Recife, Brazil 2011 Published by The Geological Society London...(Iran), Asia (Japan and China) and South America (Brazil and Argentina) and spanning rocks from Palaeoproterozoic...–Cambrian granitic magmatism in the Araçuaı́ orogen (Brazil), the Eastern Brazilian Pegmatite Province and...7852, Cidade Universitaria, 50670-000 Recife, PE, Brazil 2 Institute of Geosciences, University of São | | Pautov, L. A., Popov, M. P., Erokhin, Yu. V., Khiller, V. V., Karpenko, V. Yu. (2013) Mariinskite, BeCr2O4, a new mineral, chromium analog of chrysoberyl. Geology of Ore Deposits, 55 (8) 648-662 doi:10.1134/s1075701513080096 | Journal (article/letter/editorial) | Belvis de Monroy, Spain (Merino et al., 2010); Minas Gerais, Brasil (Trindade et al., 2010). The compositions...are chromite, fluorphlogopite, and Crbearing muscovite; mariinskite is minor; eskolaite, tourmaline supergroup...chromium muscovite (β ~ γ = 1.601 ± 0.002; the endmember composition, mol %: 44 muscovite KAl2 AlSi3O10(OH)2...elsewhere, particularly in thin veinlets, chromium muscovite is predominant. As a rule, mus covite occurs...located at selvages of veinlets; the less frequent muscovite sheets are enclosed into the fineflaked aggregate | | | Book | crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto) 22: 183-185 ALTO...Burian goyazite from [Alto Bernardino, Paraiba,] Brazil (by J. S. White, Jr.) 12:379 ALUMOHYDROCALCITE...Cassedanne: Apatite and muscovite from the Ze Pinto prospect, Minas Gerais, Brazil 21:405-408 --with J.P...Pitora, Minas Gerais, Brazil 21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil...and platinum from C6rrego Born Sucesso, Minas Gerais, Brazil 23:471-474 AMARGOSA DESERT Hydroboracite | | | Journal (issue) | SEPTEMBER–OCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................................TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral Art) and Emanuele Marini...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...September–October, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2 Wendell...important specimen-producing districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a | | | 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 | | Török, K., De Vivo, B., Nilson, A. A., Lima, A., Zuppetta, A. (2002) Mineralogy and Petrology, 76 (1) 75-98 doi:10.1007/s007100200033 | Journal (article/letter/editorial) | NiquelaÃndia and Barro Alto Complexes, Goias State, Brazil K. ToÈroÈk1 , B. De Vivo2 , A. A. Nilson3 , A....Petrologia, Universidade de Brasilia, Brasilia, Brazil 4 Universita degli Studi del Sannio, Benevento...complexes, Niquel^andia and Barro Alto, GoiaÂs State, Brazil record multiple ¯uid in¯ux events from the magmatic...Alto ma®c-ultrama®c complexes in GoiaÂs State, Brazil are known mainly for their lateritic nickel occurrences...complexes are situated in middle-north GoiaÂs, Brazil (Fig. 1); ma®c-ultrama®c rocks, metamorphosed from |
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Malacacheta, Minas Gerais, Brazil