| | 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) | 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) | 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 (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,...left to right from the upper left, pink morganite beryl (Brazil, 100.99 ct, 35.96 × 25.69 mm), blue topaz...red-violet elbaite tourmaline (Brazil, 16.87 ct), blue aquamarine beryl (Brazil, 17.96 ct), orange spessartine | | 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 | | 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 | | | 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,...custom-cut Brazilian gems consisting of a 9.69 ct morganite, 12.73 ct Swiss Blue topaz, 7.99 ct amethyst,...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) | 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) | 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...(2002) . .....................................90 Morganite Pocket (2002) .............................93...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 | | | 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 | | | 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) | 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...the early ’90s, particularly from Goiás and Minas Gerais (primarily the Nova Era area). By the middle...decline from Minas Gerais due to decreased reserves and reduced demand. Emerald production in Brazil has since | | | Book | potential deposits of SiO2 raw materials in Argentina, Brazil, Germany and Norway. The third part of the book...collaboration between scientists from Australia, Brazil, Canada, Germany, Norway, Switzerland and the USA...Color-Enhancing of Gemological Crystalline Quartz in Brazil . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . 6.3.3 Quartz Color-Enhancing in Brazil. . . . . . . . . . . . . . . . . . . . . . 139...50740-530, Brazil Mario L. S. C. Chaves Departamento de Geologia, IGC, Universidade Federal de Minas Gerais | | | Journal (issue) | AND 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...in places like the United Arab Emirates, Russia, Brazil, India, and China—locations that would not have...discovered in Paraíba and Rio Grande do Norte states in Brazil in 1989 (Fritsch et al., 1990) and became known...plummeted, mining operations in key centers such as Brazil and Zambia curtailed or ceased production, though | | | 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 (issue) | Mariposa County, California • Iolite from northeastern Brazil • Kyanite widely available in Tucson • “Moonstone”... This material reportedly was from Brazil’s Minas Gerais region. The stones contained additional inclusions...crystal purchased in Governador Valadares, Minas Gerais, Brazil. Leon M. Agee sent the 17.64 ¥ 14.04 ¥ 3...curiosities is the carved bicolored beryl rose from Brazil in figure 1. Additional items are described in...and water. Figure 1. This 8.5-cm-long beryl from Brazil is carved into a rose that shows a clever use of | | | Journal (issue) | 2.Universidade Federal Rural do Rio de Janeiro, Brazil (UFRRJ) - fermamll@ufrrj.br 3.IRD caixa postal...REE- carbonate phosphates, niobium, carbonatite, Brazil. 1. Introduction The alkaline-carbonatite complex...southeast of the state of Goiás and westwards of Minas Gerais, Brazil. It outcrops at about 20 km NE of the city...Field Guide Book, 5th Int. Kimberlite Conf., Araxá, Brazil ; CPRM, Brasilia, Sp. Publ., 1991, pp. 25-30. Elliott...Morbidelli L., 1990. Carbonatite complexes from Brazil: a review. J. South Amer. Earth Sc., 3-1 (1990) | | | 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...tanzanite. Gem minerals such as amethyst, aquamarine, morganite, topaz and tourmaline may be found both in pegmatites | | | Journal (issue) | was of interest: a small “flower” of prismatic morganite crystals that had been found in an upper mine...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 | | | Journal (issue) | Namibia • New morganite mine in Madagascar • Namibian gem localities • New opals from Brazil • Bicolored...Bicolored spessartine from Brazil • Pink/yellow spodumene from Afghanistan • Glass imitations encountered in...and the staff of Amsterdam Sauer Rio de Janeiro, Brazil RTL TRIBUTE GEMS & GEMOLOGY FALL 2002 207 ...together with rutile needles in a brown beryl from Brazil showing asterism (W. F. Eppler, “Notes on asterism...titanium. Prior to Eppler (1958), brown beryl from Brazil was described by J. Sinkankas (“Some freaks and | | | Journal (issue) | amber imitation • Assembled diamond imitations from Brazil • Enamel-backed quartz as a star sapphire imitation...Also presented were the results of exploration in Brazil and in the Wawa and James Bay Lowland areas of...INTERNATIONAL Figure 9. This 19.39 ct amethyst from Brazil displays chatoyancy. Photo by Jaroslav Hyrsl. ...1996). Alfred A. Levinson Cat’s-eye amethyst from Brazil. Amethyst is one of the more common gems, but it...cat’s-eye amethysts he purchased during a visit to Brazil in summer 2000. The translucent, dark violet stones | | | Journal (issue) | Krzemnicki M.S., 2007. “Paraiba” tourmalines from Brazil and Africa—Origin determination based on LA-ICP-MS...Ribeiro, owner of the Belmont emerald mine in Minas Gerais, Brazil, gave a stunning presentation on their modern...sources of opal, including Australia (e.g. Figure 3), Brazil, Ethiopia, Honduras, Mexico, Indonesia, Slovakia...mineral inclusions in diamonds from the Juina area of Brazil, which are rather unique geologically because of...colourless topaz is often called gouttes d’eau in Brazil, alluding to the appearance of drops of water. |
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Araçuaí, Minas Gerais, Brazil