 | | Journal (article/letter/editorial) | | Minerais, Universidade Federal de Mato Grosso, Cuiabá, Brazil *Corresponding author, e-mail: rubia@cdp.ufmt.br...Universidade Federal de Ouro Preto, Ouro Preto, Brazil e-mail: hanna@degeo.ufop.br 3 Geochemical Laboratory...Araçuai and western Governador Valadares in Minas Gerais) were analyzed for major, minor and trace elements...trace elements, pegmatite, magmatic differentiation, Brazil. Introduction Muscovite is a common rock-forming...districts, located in the Araçuaí and Governador Valadares regions in Minas Gerais State (Fig. 1) were collected |  | | 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 |  | | Journal (article/letter/editorial) | | te, several species of mica (mostly known as lepidolite), and the tourmalines (elbaite, rossmanite, liddicoatite...Amblygonite Bikitaite Elbaite Eucryptite Holmquistite Lepidolite Liddicoatite Lithiophilite Montebrasite Petalite...is expressed by an abundance of muscovite or lepidolite and by the occurrence of other peraluminous minerals...evolve toward Fe-poor, Mnenriched pink to lavender lepidolite, which occurs rarely in large individual crystals... These have been collectively referred to as lepidolite. A working group of the International Mineralogical |  | | 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 (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...Acadêmico Hélio 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 × 25.69 mm), blue topaz (Zimbabwe...red-violet elbaite tourmaline (Brazil, 16.87 ct), blue aquamarine beryl (Brazil, 17.96 ct), orange spessartine |  | Andrade, M. B., Atencio, D., Filho, L. A. D. M., Ellena, J. (2011) TThe structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Rendondo Mine, Coronel Murta, Minas Gerais. The Canadian Mineralogist, 49 (2) 615-621 doi:10.3749/canmin.49.2.615 | Journal (article/letter/editorial) | | FROM THE MORRO REDONDO MINE, CORONEL MURTA, MINAS GERAIS, BRAZIL Marcelo B. ANDRADE§ Instituto de Física...Trab. São-carlense 400, 13560-970 São Carlos, SP, Brazil Daniel ATENCIO Instituto de Geociências, Universidade...SP, Brazil Luiz A.D. MENEZES FILHO Instituto de Geociências, Universidade Federal de Minas Gerais, Avenida...Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil Javier ELLENA Instituto de Física de São Carlos...Trab. São-carlense 400, 13560-970 São Carlos, SP, Brazil Abstract We present electron-microprobe and single-crystal |  | Bermanec, V., Horvat, M., Zigovecki GOBAC, Z., Zebec, V., Scholz, R., Skoda, R., Wegner, R., Brito Barreto, S. d., Dodony, I. (2012) Pseudomorphs of Low Microcline After Adularia Fourlings from the Alto Da Cabeca (Boqueirao) and Morro Redondo Pegmatites, Brazil. The Canadian Mineralogist, 50 (4) 975-987 doi:10.3749/canmin.50.4.975 | Journal (article/letter/editorial) | | CABEÇA (BOQUEIRÃO) AND MORRO REDONDO PEGMATITES, BRAZIL Vladimir BERMANEC§ Institute of Mineralogy and...Preto, Campus do Morro do Cruzeiro, Ouro Preto, MG, Brazil Radek ŠKODA Institute of Geological Sciences,...882 – Bodocongó, Campina Grande, PB, 58109.970 Brazil Sandra de BRITO BARRETO Department of Geology...Acad. Hélio Ramos s.n., 54740-530, Recife, PE, Brazil István DÓDONY Eötvös Loránd University, Department...BQ) and the Morro Redondo, Minas Gerais (sample MR) pegmatites in Brazil have a typical adularia fourling |  | Eeckhout, Sigrid G., Castañeda, Cristiane, Ferreira, Ana Cláudia M., Sabioni, Antônio C.S., de Grave, Eddy, Vasconcelos, Daniela C.L. (2002) Spectroscopic studies of spessartine from Brazilian pegmatites. American Mineralogist, 87 (10) 1297-1306 doi:10.2138/am-2002-1005 | Journal (article/letter/editorial) | | Federal, Brazil 4 Department of Mining and Geology, Federal University of Paraíba, Paraíba, Brazil 5 Department...Physics/ICEB, Federal University of Ouro Preto, Minas Gerais, Brazil 6 Department of Metallurgical and Materials...Engineering, Federal University of Minas Gerais, Minas Gerais, Brazil ABSTRACT Mössbauer spectra (MS)...2001). The Eastern gemological province (NE of Minas Gerais State, Fig. 2) includes two distinct types of...pegmatitic bodies are hosted by the Neoproterozoic Araçuaí Thrust-Fold Belt and display a zonal distribution |  | Kesler, Stephen E., Gruber, Paul W., Medina, Pablo A., Keoleian, Gregory A., Everson, Mark P., Wallington, Timothy J. (2012) Global lithium resources: Relative importance of pegmatite, brine and other deposits. Ore Geology Reviews, 48. 55-69 doi:10.1016/j.oregeorev.2012.05.006 | Journal (article/letter/editorial) | | importance, and petalite, eucryptite (LiAlSiO4) and lepidolite (KLi2AlSi4O10F2) are less common. Some pegmatites...focused on the Araçuaí and São João del Rei districts of Minas Gerais province, Brazil. Pegmatites in...(Heinrich, 1964; Lagache and Quemeneur, 1997). The Araçuaí district to the north contains more than 300 pegmatite...estimate for these deposits is ~0.01 Mt for the Araçuaí district (Afgouni and Silva, 1978). Lithium-bearing...in northeastern Brazil, as well as the Governador Valadores district in Minas Gerais state (Afgouni and |  | | 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...Territories, Canada O’Grady Lake (1) Minas Gerais, Brazil Araçuaí district Conselheiro Pena district ...♦ (2) Paraíba, Brazil São José da Batalha area ▼ (3) Rio Grande do Norte, Brazil Parelhas area |  | | Catalog/List | | Compared to the output of place such as Afghanistan or Brazil, the production from Elba is relatively small....59 BRAZIL 73060 TOPAZ var. IMPERIAL TOPAZ Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil This specimen...var. ROSE QUARTZ Galiléia, Doce Valley, Minas Gerais, Brazil Here is a cockscomb arrangement of Rose...Itatiaia mine, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil This rather sizable, pale blue-green Aquamarine... 73063 RHODONITE Conselheiro Lafaiete, Minas Gerais, Brazil Here sharp rosy crystals up to 1.33 inches |  | | Journal (issue) | | the Espirito Santo Pegmatite District, Eastern Brazil.. ......697 by M. L. Chaves, A. Bartorelli & C...sixling twin, 6.3 cm, from ItaguaÇu, Espirito Santo, Brazil. William Larson collection, ex Edward Gübelin,...completed the program at the Federal University of Minas Gerais. He worked in the Magisterium of Extractive...recalled by Wendell Wilson in Mineral Collections of Brazil (Cornejo and Bartorelli, 2020): The second issue...contained a one-page editorial (“Location – Minas Gerais, Brazil”) by editor John White, museum specialist |  | | Journal (article/letter/editorial) | | AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Maxime BAIJOT and...Eastern Brazilian Pegmatitic Province (EBPP), Minas Gerais, Brazil. Detailed mapping of the pegmatite body...petrography, geochemistry, Sapucaia pegmatite, Minas Gerais, Brazil. Sommaire La pegmatite de Sapucaia se trouve...province pegmatitique brésilienne est (EBPP), Minas Gerais, Brésil. Une cartographie détaillée de la pegmatite...pétrographie, géochimie, pegmatite de Sapucaia, Minas Gerais, Brésil. Introduction One of the most important |  | | Journal (article/letter/editorial) | | notably from several pegmatite locations in Minas Gerais, Brazil, acquires its color in conjunction with...in this specimen of microcline from Araçuaí, Minas Gerais, Brazil. The bluish tinge results from a small...cleavelandite habit, Limoeiro, Virgem de Lapa, Minas Gerais, Brazil. (b) Albite with prominent radial habit...re-entrant surface; from Virgem da Lapa, Minas Gerais, Brazil. (c) Carlsbad-twinned microcline, Nyet,...Manebach-twinned microcline with quartz, elbaite, and lepidolite, Himalaya mine, Mesa Grande district, San Diego |  | De Oliveira, Ester Figueiredo, Castañeda, Cristiane, Eeckhout, Sigrid Griet, Gilmar, Messias Menezes, Kwitko, Rogério Ribeiro, De Grave, Eddy, Botelho, Nilson Francisquini (2002) Infrared and Mössbauer study of Brazilian tourmalines from different geological environments. American Mineralogist, 87 (8) 1154-1163 doi:10.2138/am-2002-8-914 | Journal (article/letter/editorial) | | N. CP 941 CEP 30123-970, Belo Horizonte, Minas Gerais, Brazil 2 Instituto de Geociências, Universidade...3173 CEP 30140-970, Brasília, Distrito Federal, Brazil 3 Department of Subatomic and Radiation Physics...de Ouro Preto, CEP 35400-000 Ouro Preto, Minas Gerais, Brazil 5 Companhia Vale do Rio Doce, CVRD, BR 262-Km...P.O. Box 09 CEP 33010-970, Santa Luzia, Minas Gerais, Brazil ABSTRACT Infrared (IR) spectra in the OH...and hydrothermal deposits in the state of Minas Gerais, Brazil. In the magmatic environment, samples of |  | | Journal (article/letter/editorial) | | The Pederneira Mine São José da Safira, Minas Gerais, Brazil Dedication This article is the culmination...Pederneira Mine ▲ ▲ São José da Safira, Minas Gerais, Brazil Daniel Trinchillo Fine Minerals International...Break Pocket (2004) .......................113 Lepidolite and Blue Pocket (2005) ............115 Green...Tallis). Introduction The Pederneira mine in Brazil qualifies as one of the world’s greatest tourmaline...specimen recently recovered at the Pederneira mine in Brazil. It was handed to me by long-time mineral dealer |  | Sánchez-Muñoz, Luis, Müller, Axel, Andrés, Sol López, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The P–Fe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) | | AC CE P ABSTRACT Governador Valadares, Minas Gerais, Brazil. TE g D a RI Peter J. Modreskif, Odulio...blue tourmaline-rich pegmatites in RI Paraiba (Brazil) and in the Cooper Mountain and Casper Mountain...examples are most of the pegmatites of Minas Gerais in Brazil, formed during the Braziliano TE D Orogeny...fractionation in the Borborema Province, Northeastern Brazil. Mineralium Deposita 43, 207-228. ACCEPTED MANUSCRIPT...Ta-mineralization in the Borborema pegmatite province, NE-Brazil: A PT review. Journal of South American eath |  | | Book | | Geosciences Institute University of São Paulo São Paulo Brazil Pedro Oyhantçabal Departamento de Geodinámica Interna...recognized similarities in the ‘old granites’ of Brazil and southern Africa. On the other hand, du Toit...‘Brazilian system’ defined by Alcide d’Orbigny in Brazil (Beaumont 1844), arguably corresponding to the...geochronological data of the Precambrian basement of southern Brazil, Uruguay and Argentina were reported by Hart (1966)...and geochemical data of the Nico Pérez Terrane in Brazil and Uruguay in order to constrain its regional |  | | Journal (issue) | | by Leon Agee. The patterned colors are caused by Brazil-law twinning, while light reflecting from rutile...Luciana Barbosa, Gemological Center, Belo Horizonte, Brazil; Edward Boehm, Joeb Enterprises, Solana Beach,...the East Coast lab. Reported to be from a mine in Brazil, it was submitted for identification of its transparent...known to originate from the Brazilian state of Minas Gerais. The same client also submitted a transparent...numerous twophase (fluid and gas) inclusions. Although Brazil is a known source of apatite, references in the |  | | Journal (issue) | | shortly after the discovery of major deposits in Brazil. The locally mined diamonds were fashioned in India...product. By the time diamond mining started in Brazil in 1730, production from India had declined to...discovered in only two countries: Brazil (three deposits in Minas Gerais) and Madagascar (Maschmeyer and...yield 1+ ct faceted stones is from the Araçuaí region of Minas Gerais (Kammerling and Fritsch, 1993); the...quantities have been found in the Araçuaí region of Minas Gerais, Brazil. Note the color zoning evident |  | | Journal (article/letter/editorial) | | A-Type Desemborque Pluton, Graciosa Province (S-SE Brazil) Astrid Siachoque * , Rodolfo Garcia and Silvio... University of São Paulo, 05508-060 São Paulo, Brazil; pedrosogarcia@gmail.com (R.G.); srfvlach@usp.br...several metallogenetic provinces worldwide [11]. In Brazil, CGM are reported in pegmatites from the Borborema...Lourenço-Amapá Province, and the São Joao do Rei and Araçuaí districts [11], and also in the peralkaline Madeira...Pluton from the A-type Graciosa Province in S-SE Brazil. In order to understand the genesis of the columbite |  | | Journal (issue) | | inclusion | Tourmaline from the Cruzeiro Mine, Brazil | Natural diamond showing a ‘synthetic’ pattern... Bend, Oregon, USA. The quartz originated from Brazil, and it was polished on all sides except the back...Madagascar, blue halite from New Mexico, lepidolite from Brazil and tinzenite from Italy, as well as orange...g. Figure 14). Green kyanite is also known from Brazil and Tanzania, and its coloration is due to Fe3+...good–quality lepidolite has recently appeared on the market from Araçuaí, Minas Gerais, Brazil, and it is |  | | Journal (issue) | | mining in Sri Lanka • Green cat’s-eye spodumene from Brazil • Color-zoned topaz • Variscite from Peru • Corundum...environments (figure 1). Some contemporary sources are Brazil, Uruguay, Zambia, Namibia, Mexico, Russia, Arizona...Origin Bolivia (Anahí) Bolivia (Anahí) Brazil (Marabá) Brazil (Pau d’Arco) France (St. Raphael) Japan...al., 2005). Some natural material from (Marabá) Brazil shows total absorption in the ~3600 to 3000 cm–1...Kitawaki H. (2002) Natural amethyst from Caxarai mine, Brazil, with a spectrum containing an absorption peak |  | | Journal (issue) | | TCD.M4787; Declan Burke photo. the Caribbean), Brazil, Scandinavia, Siberia, Greenland and Saxony. No...expeditions to Morocco, South Africa, Namibia, Brazil, Pakistan and most European countries in search...chrysoberyl, topaz and brazilianite localities in Brazil; the De Maria gold mine in Califor561 Figure...localities in Minas Gerais since then, none has equalled the first find. Wayne’s partner in Brazil, Pierre...Pakistan) and Pierre Laville and Gene Meieran (in Brazil) have shipped hundreds of superb specimens to Wayne |  | | Book (edition) | | m (26 ft) thick at Urubu, near Araçuai, Minas Gerais, Brazil. Fine pink and green gem-quality tourmaline...acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals occurring in small...amethyst from volcanic rocks in Rio Grande do Sul, Brazil. The amethyst crystals are more strongly coloured...Alluvial sands containing diamonds near Sopa, Minas Gerais, Brazil The above discussion has concentrated on...worldwide but some of the most important are in Brazil, where the gem-quality deposits are associated |
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Araçuaí, Minas Gerais, Brazil