 | | Report (issue) | | of muscovite perched on albite, from Mantena, Minas Gerais, Brazil, and four very good thumbnails of the...Laranjeiras, Minas Gerais: Muscovite on albite, 5.2 cm, from Mantena, Minas Gerais, Brazil. McDougall...LinĂłpolis district, Divino das Laranjeiros, Minas Gerais, Brazil. McDougall Minerals specimen and photo....sheetâ is the likely source of the crystal, for beryl, as well as the much commoner amazonite, is on the |  | | Book | | 1982 Jules Roger Sauer â 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. âBrazil, Paradise of Gemstonesâ, 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) | | from the TelĂrio pegmatite, near LinĂłpolis, Minas Gerais, Brazil, [NaAl3(PO4)2(OH)4, a = 11.2448(5) Ă
, b...brazilianite, is the Corrego Frio pegmatite, Minas Gerais, Brazil, where it was first discovered in 1944 (Pough...surroundings of Conselheiro Pena, in the state of Minas * E-mail: diego.gatta@unimi.it 0003-004X/13/0809â1624$05...00/DOI: http://dx.doi.org/10.2138/am.2013.4476 Gerais. During the past few years, this deposit has yielded...were discovered in another deposit in Minas Gerais, near Mantena. Minor deposits are those at the Palermo |  | | Journal (issue) | | Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil . . . . . . . . . . . . . ....reserved. by Francis Allegra COVER: AQUAMARINE beryl crystal, 10.5 cm, on muscovite, from Mount Xuebaoding...Pena Minas Gerais, Brazil Luiz Menezes Rua Esmeralda, no. 534 Bairro Prado, Belo Horizonte Minas Gerais...Gerais, Brazil 30410-080 Email: lmenezesminerals@uol.com.br The Sapo mine exploits a thick sub-horizontal...found at Brazilâs Sapo mine, near Goiabera, in Minas Gerais. The specimens show green and yellow color-zoned |  | | Journal (issue) | | localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ..........................................sixling tw in from Itagu agu , Espirito S anto, Brazil. The group m easu res 6.4 cm , and is from th e...Universitaria Ilha do Fundao 29.910 Rio de Janeiro, Brazil orrego Frio, Linopolisand Mendes Pimentel are... C INTRODUCTION The mineral species named for Brazil is, appropriately enough, a superbly beautiful...boundary between Divino and Mantena townships, the name of the small town of Mantena has frequently been used |  | | 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 SOFIAâMOSCOW 2004 3 Cyan Magenta Yellow Black...MINERAL TREASURES OF BRAZIL 76 85 AN OUTLINE OF THE MINERAL RESOURCES OF BRAZIL ORIGIN OF GIANT CRYSTALS |  | | Report (volume) | | Deposits in Minas Gerais Brazil GEOLOGICAL SURVEY BULLETIN 964-C Mica Deposits in Minas Gerais Brazil...M. BARBOSA and RESK FRAYHA, DIVISSO DE FOMENTO, BRAZIL GEOLOGIC INVESTIGATIONS IN THE AMERICAN REPUBLICS...da Produgao Mineral, Ministerio da Agricultura, Brazil, under the auspices of the Interdepartmental Committee...__________-___---_____---_-________ Exports of sheet mica from Brazil, 1900-1945-___-__-_______----______ General statement...___________________ Mica-mining industry in Minas Gerais.______________________________ General stat |  | | Journal (issue) | | mine, Minas GĂ©rais, 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...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...the most remarkable coloured gemstones mined in Brazil where, erroneously, for a long time it was marketed |  | | Journal (issue) | | mineral localities: The Sapucaia pegmatite, Minas Gerais, B ra zil.....................................original "Sapucaia" rose quartz occurrence, Minas Gerais, B ra zil.....................................Characterization of New Species, Twinning, Axinite (Brazil), Green River (WY) $10 v.8/#6 California Issue...rhodochrosite, Paterson (NJ), Brumado district (Brazil), Bosch Collection $10 v.9/#4 Elmwood (TN), Chester...Hydroboracite (CA) $10 v.l0/#l Hydroxylherderite (Brazil), Bookson U.S. minerals v.10/#2 v.10/#3 $10 |  | | Journal (issue) | | uscovite from the Ze Pinto prospect, M inas Gerais, Brazil .............................................Crystallized rose quartz from Alto da Pitora, M inas Gerais, Brazil .............................................Alves Zanazziite, a new mineral from M inas Gerais, Brazil .............................................from Lavra da Ilha, Taquaral district, M inas Gerais, Brazil .............................................Universitaria Ilha do Fundao 21.190, Rio de Janeiro, Brazil Jeanete Alves Departamento de Recursos Minerals |  | | Journal (issue) | | uscovite from the Ze Pinto prospect, M inas Gerais, Brazil .............................................Crystallized rose quartz from Alto da Pitora, M inas Gerais, Brazil .............................................Alves Zanazziite, a new mineral from M inas Gerais, Brazil .............................................from Lavra da Ilha, Taquaral district, M inas Gerais, Brazil .............................................Universitaria Ilha do Fundao 21.190, Rio de Janeiro, Brazil Jeanete Alves Departamento de Recursos Minerals |  | | Book | | BARTORELLI ::âą . . .. 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 |  | | 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,...aquamarine, 1.12 ct Imperial topaz and 4.84 ct golden beryl. Courtesy of John Dyer Gems; composite photo by...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) | | 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 | | 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...and muscovite from the Ze Pinto prospect, Minas Gerais, Brazil 21:405-408 --with J.P. Cassedanne: Crystallized...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) | | Triscori & T. /. Campbell The Urucum pegmatite, Minas Gerais, Brazil...........................................8 cm, with muscovite from Corrego Frio, Minas Gerais, Brazil. Sams collection; Van Pelt photo. Figure...crystals to 14 cm, from Virgem da Lapa, Minas Gerais, Brazil. Sams collection; Van Pelt photo. The Mineralogical...all of which commonly occur in fractures within beryl and quartz (Peacor et al., 1983; Campbell, 1984)... Tiptopite occurs primarily along fractures in beryl and quartz. Figure 10. Colorless sinkankasite crystals |  | | Journal (issue) | | ELBAITE on albite, from the Jonas mine, Minas Gerais, Brazil. Keith Proctor specimen; photo by Harold...Rio de Janeiro, Brazil INTRODUCTION Recently, a small pegmatite body in Minas Gerais has produced magnificent...many minerals, mainly phosphates, which are new to Brazil and very good specimens are still recoverable from...is made using the good but unpaved road toward Mantena until Sao Vitor (32.5 km), where a road towards...some feldspar. Drilling in the upper part is in a beryl crystal concentration in albite. DESCRIPTION OF |  | | 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...âCambrian granitic magmatism in the AraçuaÄ±Ì orogen (Brazil), the Eastern Brazilian Pegmatite Province and...7852, Cidade Universitaria, 50670-000 Recife, PE, Brazil 2 Institute of Geosciences, University of SaÌo |  | | Catalog/List | | AMBLYGONITE Sodium lithium aluminum phosphate Brazil Minas Gerais, Governador Valaderas Single pale yellow...50, $8. 50 and $10. 00 ............. BrazLI Minas Gerais, Governador Valaderas ~ow cleavages, sections...clea\'able mass ANDALUSITE Aluminum silicate Brazil Minas Gerais, Arassuahy ~nsparent to translucent brown-green...rnicrocline ...................... . AQUAMARINE Brazil Minas Gerais, Tcofilu Otani ~ blue transpa1:ent :;lassy...·}"to"r· $4. oci,$5. oo...... . GOLDEN 13EHYL Brazil Minas Gerais, Govcrnadur Valade1·as ~low translucent glassy |  | | Book | | Watson, Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized...County [Black Hills]. Mined intermittently for beryl and feldspar between the 1880s and 1981, the complex...when Vern Stratton mined the pegmatite's core for beryl; the locality has seen no development since Stratton...elongated hexagonal prisms to 2.2 cm, resembling etched beryl crystals, and one was faceted into a 1.44-carat...terminations; they resemble gemmy crystals of heliodor beryl (Laurs and Fritz, 2006). Five loose crystals of |  | | Book (edition) | | cyclosilicates, form extremely strong minerals, as beryl and tourmaline, whose crystals reflect the neat...etched crystals are commonly observed in topaz and beryl. A crystal growing in cubic arrangement can be expected...severely corroded specimens, notably in spodumene, beryl, and to a lesser extent, in quartz, may prove puzzling...structure as shown in Figure 29. The hexagonal pits on beryl exactly mimic the hexagonal outline of the crystal...and of course, their shape is regulated by the beryl structure. On the other hand, the boat-shaped indentations | | | Book (edition) | | cyclosilicates, form extremely strong minerals, as beryl and tourmaline, whose crystals reflect the neat...etched crystals are commonly observed in topaz and beryl. A crystal grovving in cubic arrangement can be...severely corroded specimens, notably in spodumene, beryl, a:nd to a lesser extent, in quartz, may prove puzzling...structure as shown in Figure 29. The hexagonal pits on beryl exactly mimic the hexagonal outline of the crystal...and of course, their shape is regulated by the beryl structure. On the other hand, the boat-shaped indentations |  | | Journal (issue) | | with rose quartz from the Pitora mine, Minas Gerais, Brazil. Smale collection and photo. 402 The M...fluorapatite crystal from the Jose Pinto mine, Minas Gerais, Brazil. Smale collection and photo. Figure 3....colleague in Brazil was especially encouraging, and Steve has since made many trips to Brazil for mathematical...to Pakistan, Morocco, China, Colombia, Peru, and Brazil (seven times!) have yielded many superb crystal...16-cm hematite crystal group from Brum ado, Bahia, Brazil. Smale collection and photo. F igure 7. Polybasite |  | | Book | | in France, Germany, Czechoslovakia, Sweden, and Brazil Optical Constants: IX = 1.578, /3 = 1.593 (vary...with quartz, graftonite, sphalerite, cassiterite, beryl, muscovite, and spodumene at the Nickel Plate mine...Hampshire; and at the Serra Blanca pegmatite, Picuhy, Brazil. Optical Constants: IX = 1.664, 13 = 1.670, Y =...triphylite at the Sapucaia pegmatite mine, Minas Geraes, Brazil. Subsequently identified from several additional...Portugal; Sapucaia pegother phosphates matite, Minas Geraes, Brazil; and at Optical Constants: co = 1.5235, |  | | Journal (issue) | | Bowdoinham, Maine, where over a bushel of â em eraldsâ (beryl crystals) were taken from the soil at the foot of...1981), India (Sukheswala and others, 1974), and Brazil (Murata and others, 1987), while a regional variation...1960b), India (Sukheswala and others, 1974), and Brazil (Murata and others, 1987). Heat may have been derived...calcite from the south eastern Parana Basin in Brazil, confirmed the higher temperatures of formation...southeastern Parana Basin, State of Rio Grande do Sul, Brazil. Journal o f Geology, 95, 455467. NEW M AN, K. |
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Mantena, Minas Gerais, Brazil