 | Amaral, Leandro, Caxito, Fabrício de Andrade, Pedrosa-Soares, Antonio Carlos, Queiroga, Gláucia, Babinski, Marly, Trindade, Ricardo, Lana, Cristiano, Chemale, Farid (2020) The Ribeirão da Folha ophiolite-bearing accretionary wedge (Araçuaí orogen, SE Brazil): New data for Cryogenian plagiogranite and metasedimentary rocks. Precambrian Research, 336. 105522 doi:10.1016/j.precamres.2019.105522 | Journal (article/letter/editorial) | | ophiolite-bearing accretionary wedge (Araçuaí orogen, SE Brazil): New data for Cryogenian plagiogranite and metasedimentary...ophiolite-bearing accretionary wedge (Araçuaí orogen, SE Brazil): New data for Cryogenian plagiogranite and metasedimentary...ophiolite-bearing accretionary wedge (Araçuaí orogen, SE 2 Brazil): New data for Cryogenian plagiogranite and metasedimentary...Chemaled,1 6 7 a Universidade Federal de Minas Gerais, Programa de Pós-Graduação em Geologia, CPMTC-IGC-UFMG...6627, Pampulha, 31270-901, Belo Horizonte, MG, Brazil 9 b Instituto de Geociências, Universidade de |  | | Journal (article/letter/editorial) | | edu Kyanite Downloaded by [Laurentian University] at 02:10 27 October 2013 Minas Gerais, Brazil O ...times quite beautiful rock-forming minerals is kyanite. It is one of a triad of aluminosilicates that...and described from many hundreds of localities, kyanite is particularly well known as a valuable industrial...especially familiar to collectors because the kyanite-rich “quartzite” once exploited at Graves Mountain...2008). Surprisingly attractive, reasonably priced kyanite specimens are traditionally available from several |  | | Journal (issue) | | Capelinha! L L The Mineralogical Record MAY–JUNE 2022 • VOLUME 53 • NUMBER 3 • $30 Wayne & Dona...Articles Capelinha: Titanite and epidote deposits of the Capelinha Region, Minas Gerais, Brazil .........and epidote on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom...w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly invites...2022 CAPELINHA TITANITE AND EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 |  | | Journal (issue) | | the CapelinhaMalacacheta Area (State of Minas Gerais, Brazil)..........................................Selection of Superb Gem Minerals recently acquired in Brazil. Also the Finest Dark Blue-Green Amazonite Groups...field, N. J. 07003 223 MINERAL COLLEC from the Capelinha-Malacacheta / by Jacques The Rio Doce Valley...include fine titanite crystals, gem diopside, large kyanite crystals, excellent twinned staurolite, and sometimes...towns lie on main highways and have airports. Capelinha, one of the great mineralogical centers, may be |  | | Catalog/List | | variety CLEAVELANDITE. Goverador Valadl8ras, Minas Gerais, Brazil. Select lustrous creamy sharp bladed crystals...veinstuff •. 2xl~xl". £3.50. EPIDoTE. Capelinha, Minas Gerais, Brazil. Lustrous, dark olive green tabular...partially covered. ~x2xl;}lI. [9.00. KYANITE. Capelinha, -Minas Gerais, BraZil. Rich, lustrous blue pure bladed...Mimetite matrix. 2~x2-tx17". £7.00. 10l.WUlFENITE. Capelinha Mts., Sonorn, Mexico. Very fine bright yellow |  | | Book | | ltatiaia, Conseilheiro Pena, Governador Valadares, Brazil (Roger Titeux collection, France) 4 inches. Above:...Bahia, Brazil (Yves Gillet collection, France) 1.2 inches. Preceding pages: A Tourmaline, Minas Gerais...Gerais, Brazil (4.2 inches) B Tourmaline, Queen Mine, San Diego County, California (8 inches) C Garnet, hessonite...order to extract the gems. Such was the case in Brazil with diamonds; it is still used in the deposits... as in the case of the amethysts of Uruguay or Brazil. Unlike the precious and semi-precious stones, |  | | Journal (article/letter/editorial) | | Faceting-grade crystals occur in Switzerland, Brazil, and China, but they are extremely rare and tend...347 Figure 2. A faceted 0.90-carat staurolite, Brazil. Robert J. Lauf specimen No. 4572. Figure 3. Simple...Monte Campione, Tessin, Switzerland, with a tiny kyanite crystal on the termination. Robert J. Lauf specimen...associated with almandine, muscovite, biotite, kyanite, and quartz. In higher-grade metapelites, it may...and a close association with gemmy, bright blue kyanite (sometimes in parallel growth). A high percentage |  | | 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 |  | | Catalog/List | | Treece, Cherokee Co., Kansas. KYANITE Capelinha, Minas Gerais, Brazil. Aluminum NEW FIND. Calcium carbonate...crystals; combination MICROC LINE- AMAZONSTONE Minas Gerais, Brazil. of prism and 'steep pyramid. Size " to |  | | Report (chapter) | | Federal de Minas Gerais, IGC-CPMTC, Campus Pampulha, 31270-901 Belo Horizonte, MG, Brazil (e-mail: pedrosa@pesquisador... Campus do Cruzeiro, 35400-000 Ouro Preto, MG, Brazil 3 Royal Museum for Central Africa, 3080 Tervuren...São Paulo, Brazil 5 Serviço Geológico do Brasil-CPRM, 70830-030 Brası́lia, DF, Brazil Abstract:...located to the SE of the São Francisco Craton in Brazil, and to the SW of the Congo Craton in Africa. From...domains located to SE of the São Francisco Craton in Brazil, and to SW of the Congo Craton in Africa (Fig. |  | | Journal (article/letter/editorial) | | forsterites of recent years and the interesting sky-blue kyanite laths frozen in snow-white Brazilian quartz. Two...have been available periodically from Capelinha, Minas Gerais, Brazil. Well-formed, thick, terminated epidote...Doce area of Minas Gérais and in Mina Vereda do Meio, Lajes, Rio Grande do Norte, Brazil. Fanlike sprays |  | | Catalog/List | | Calcite. 2tx1f,<1t" £2.5Dp 53. KYANITE. Capelinha, Minas Gerais, Brazil. Select lustrous light blue bladed...variety Rubellite. Governodor Valaderas, Minas Gerais, Brazil. Lustrous bright pinkish columinar crystal |  | Peixoto, Eliza, Alkmim, Fernando F., Pedrosa-Soares, Antônio, Lana, Cristiano, Chaves, Alexandre O. (2018) Metamorphic record of collision and collapse in the Ediacaran-Cambrian Araçuaí orogen, SE-Brazil: Insights fromP-Tpseudosections and monazite dating. Journal of Metamorphic Geology, 36 (2) 147-172 doi:10.1111/jmg.12287 | Journal (article/letter/editorial) | | collapse in the Ediacaran-Cambrian Araçuaí orogen, SE-Brazil: Insights from P-T pseudosections and monazite...Chaves2# 1 Departamento de Geologia, Escola de Minas, Universidade Federal de Ouro Preto. Morro do Cruzeiro...35.400.000, Ouro Preto, MG, Brazil 2 Universidade Federal de Minas Gerais, CPMTC-IGC, Campus Pampulha...Pampulha, Belo Horizonte 31.270.901, MG, Brazil * Corresponding author: einpeixoto@gmail.com # Fellow of the...exposed across the Araçuaí orogen in southeastern Brazil (Figure 1) comprise a sequence of metamorphic assemblages |  | | Journal (article/letter/editorial) | | dissociates into a mixture of K2Si4O9 wadeite, Al2SiO5 kyanite and SiO2 coesite, which further recombine into...sanidine and hollandite, K2Si4O9 wadeite and Al2SiO5 kyanite were measured by high-temperature solution calorimetry...sanidine fi wadeite + kyanite + coesite and 99.3 ± 3.6 kJ mol)1 for wadeite + kyanite + coesite fi hollandite...previously. The calculated boundary for wadeite + kyanite + coesite fi hollandite intersects with the coesite–stishovite...stability field of the assemblage of wadeite + kyanite + stishovite below about 1273 K at about 8 GPa |  | Gonçalves, Guilherme O., Lana, Cristiano, Buick, Ian S., Alkmim, Fernando F., Scholz, Ricardo, Queiroga, Glaucia (2019) Twenty million years of post-orogenic fluid production and hydrothermal mineralization across the external Araçuaí orogen and adjacent São Francisco craton, SE Brazil. Lithos, 342. 557-572 doi:10.1016/j.lithos.2019.04.022 | Journal (article/letter/editorial) | | Araçuaí orogen and adjacent São Francisco craton, SE Brazil Guilherme O. Gonçalves, Cristiano Lana, Ian S...Araçuaí orogen and adjacent São Francisco craton, SE Brazil, LITHOS, https://doi.org/ 10.1016/j.lithos.2019...Araçuaí orogen and adjacent São Francisco craton, SE Brazil Guilherme O. Gonçalvesa,* goncalves.go@icloud.com... Universidade Federal de Ouro Preto, Escola de Minas, Departamento de Geologia, Campus Morro do Cruzeiro...(eastern border of the São Francisco craton, SE Brazil). We sampled hydrothermal minerals (monazite, rutile |  | | Catalog/List | | 1 cm . .. $20.00 (b) Chip ... $5.00 QUARTZ, Minas Gerais , Brasil. Very large (23 x 15 x 12 cm) terminated...00 (label -copy) MILARITE, Jaguarassu , Minas Gerais, Brazil. Outstanding selection of matrix and free-standing..... . . $100.00 CHRYSOBERYL, Jequito , Bahia , Brazil. Excellent sixling twins of greenish brown chrysoberyl... $15.00 KYANITE Quilombo, Capelinha , Minas Gerais, Brasil. Big single terminated kyanite crystal (6...HYDROXYL-HERDERITE, Xanda Mine, Virgem de Lapa , Minas Gerais, Brazil. We have just obtained some good thumbnail-sized |  | | Journal (issue) | | deposits as remote and far apart as Afghanistan, Brazil, Kenya and Switzerland, and it appeared rather...a colourless beryl (a so-called goshenite) from Brazil, which had been cut so as to facilitate the inspection...(phlogopite, muscovite and niobite) in a goshenite from Brazil. 25 x Detail of Figure 1: cluster of pseudohexagonal...internal paragenesis of the second goshenite from Brazil. We recognize large brownish pseudohexagonal crystals...goshenite. Another goshenite, also excavated in Brazil, looked very similar to the afore-mentioned specimen |  | | Book (edition) | | Llallagua, Bolivia; and from Morro Velho Mines, Minas Gerais, Brazil. 31 SULFIDES AND SULFOSALTS Name:...Binnatal. Splendid crystals at Cerrado Frio, Minas Gerais, Brazil. 10X Rutile ( Long reddish- brown crystals...Bourg at Binnatal d’Oisons, crystals at Minas Gerais, Brazil. and France. St. Gotthard,~ Gem quality... England. Also at Minas Gerais, yellow clustered aggregates. 74 St. Just, Brazil, as Cornwall, orange-...crystals at Morro Velho gold mine, Minas Gerais, Brazil; many at Camborne, Redruth, and St. Austell |  | | | | Llallagua, Bolivia; and from Morro Velho Mines, Minas Gerais, Brazil. 30 2 X Pyrrhotite 31 SULFIDES AND...Binnatal. Splendid crystals at Cerrado Frio, Minas Gerais, Brazil. 66 Rutile (Long reddish-brown crystals...d’Oisons, France. Gem quality crystals at Minas Gerais, Brazil. occurrences: 68 Anatase (Large black...and St. Just, Cornwall, England. Also at Minas Gerais, Brazil, as orangeyellow clustered aggregates. ...shaped crystals at Morro Velho gold mine, Minas Gerais, Brazil; many at Camborne, Redruth, and St. Austell |  | | 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 |  | | 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,...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...Trade in Brazil: A Brief History and Current Status Aurélien Reys Coloured stones from Brazil have been |  | | Catalog/List | | pink clea vable with quartz and m ica . . . Brazil Minas Gerais, Arassuahy. -----rransparent brown- green...50 1.50 2 . 50 10- 1 " Teofilo Otoni, Minas Gerais, Brazil Single blue hexagonal crystal prisms. These...microcline or quartz . .. . .. . .... : .. . Brazil Minas Gerais, Teofilo Otoni. -v.ile blue single transparent...1/4x 3/8" $2.00 ... . . ... ... . MORGANITE Brazil Minas Gerais, Governador Valaderas. --i::irge doubly terminated...basic phosphate of sodium and aluminum. Brazil Minas Gerais, Corrego Frio, Sao Tome. Fine golden yellow |  | | Catalog/List | | specimens .. ANDALUSITE Aluminum silicate Brazil Minas Gerais, Arassuahy Transparent brown-green pleochroic...Kay-D-mine Compact lavender massive with minor kyanite, pyrophyllite ......................... California............ . GIBBSITE Aluminum hydroxide Brazil Minas Gerais - Ore of aluminum Botryoidal banded mass...alteration to tincalconite ................ . KYANITE Aluminum silicate Arizona Yuma County, Quartzsite...pyrophyllite ......................... . Brazil Minas Gerais, Capelinha ~cted bright blu·e transparent to translucent |  | | 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 |  | da Silva, Luiz Carlos, McNaughton, Neal J., Armstrong, Richard, Hartmann, Léo Afraneo, Fletcher, Ian R. (2005) The neoproterozoic Mantiqueira Province and its African connections: a zircon-based U–Pb geochronologic subdivision for the Brasiliano/Pan-African systems of orogens. Precambrian Research, 136 (3) 203-240 doi:10.1016/j.precamres.2004.10.004 | Journal (article/letter/editorial) | | Hartmannd , Ian R. Fletcherb a Geological Survey of Brazil—CPRM/Associated Researcher at the University of...603, CONJ. J, 1o. Andar, DF 70830-030 Brasilia, Brazil b Centre for Global Metallogeny, School of Earth...University of Rio Grande do Sul, UFRGS, Porto Alegre, Brazil Received 15 April 2003; accepted 12 October 2004...Uruguay to the southern border of Bahia State, Brazil (15◦ S). It is nearly 3000 km long, averaging 200...the senior author, at the Geological Survey of Brazil (CPRM). It was supported also by systematic exchange |
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Capelinha, Minas Gerais, Brazil