 | | 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,...the Cruzeiro tourmaline and mica mine and the Jacobina amethyst mine. He owns several other mines as well |  | | Journal (article/letter/editorial) | | The EBPP is situated mainly in the State of Minas Gerais, but encompasses also parts of the States of...Universidade Federal de Minas Gerais, Av. AntoÃnio Carlos 6277, 31 000 Belo Horizonte MG, Brazil the context of...Argentina, (2) the north-eastern or Borborema in Brazil, and (3) the Eastern Brazilian. A description of...pegmatites of the north-eastern Pegmatite Province of Brazil and their geochemistry have been studied by Beurlen...Province (EBPP) is situated mainly in the State of Minas Gerais but also encompasses the southern part of the |  | | Journal (article/letter/editorial) | | DETERMINATeION OF QUARTZ PEGMATITES IN VEINS AND BRAZIL. DJALMA GUIMAR•ES. CRITICAL ASPECTS OF AGE...quartz deposits.in the quartz-producingareas of Brazil. They have found that in the northeasternand m...as well as someof the depositsin the State of Minas Gerais,occurin Algonkian and Silurian (Bambui Series)...paper. 100 AGE DETERMINATION OF QUARTZ VEINS IN BRAZIL. 101 This distribution appears to indicate a...the less deeply buried quartz veins of Central Minas Gerais, Bahia and Southern Goyaz, which occur in upper |  | 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) | | solutions, including the large Jadar (Serbia) and King Valley (USA) deposits, have estimated resources of about...importance, and petalite, eucryptite (LiAlSiO4) and lepidolite (KLi2AlSi4O10F2) are less common. Some pegmatites...Araçuaí and São João del Rei districts of Minas Gerais province, Brazil. Pegmatites in the São João del Rei...the Itinga field that contains lithium-bearing pegmatites at the Cachoeira (CBL) mine. The CBL mine contains...in northeastern Brazil, as well as the Governador Valadores district in Minas Gerais state (Afgouni and |  | | 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...NATIONAL MUSEUM IN SOFIA 66 OTHER COLLECTIONS OF MINE IN BULGARIA 71 COLLECTIONS IN OTHER CITIES AROUND |  | | 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 |  | | 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) | | ............... 93 by A. Falster The Rock Candy mine, British Columbia ................................COVER: 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...are new to Brazil and very good specimens are still recoverable from the dumps or in the mine work ings...east-southeast from Governador Valadares, near the Rio Doce Valley and to the west of the famous Urucum pegmatite |  | | Journal (issue) | | Foote also made several collecting visits to the mine in 1890-1891, and brought back many good specimens...chemist and physicist). In 1895 Niven purchased the mine from its owner, on behalf of Thomas Edison. In the...dozen mines were opened, one of which (the Mariposa mine) produced a wider variety of mercury minerals than...Morgenstern photo. Calcite, 5.8 cm, from the Mariposa mine, Terlingua; Roh Lavinsky (The Arkenstone) specimen...Calomel crystals on terlinguaite, 3 mm, Mariposa mine, Terlingua. Celestine, 4.5 cm, Burnet, Burnet County; |  | | Journal (issue) | | Moore Recent discoveries of hydroxylherderite in Minas Gerais ..............................................typically abraded specimens you’ve found in the old mine dumps. And you’ve probably looked long and hard...Everyone has heard repeated warnings about entering old mine workings. But, face it, those deep, open shafts...commonality: They can be very dangerous. Each year mine rescue specialists and conventional search and rescue...Statistically, shafts are the most dangerous part of any mine; 90 percent of all accidents and entrapments in |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Journal (article/letter/editorial) | | oxidizing solutions, from the lithiophilite. Lepidolite with minor microlite, beryl and tantalite, are...the beryl-tantalite pegmatites of northeastern Brazil. These pegmatites have been described in some detail...MURDOCH areas: the Picui-Parelhas, Quixeramobin-Cachoeira and CascavelCristais regions, the first two of...could not be checked by observation. Specimensof lepidolite, amblygonite, lithiophilite and others, were...sections. LBproorrrn enp MrcnorrrB Pale lilac lepidolite occurs in massive aggregatesof small (2-3 mm |  | | Book | | Egypt 132 Argentina 132 Australia 133 Austria 135 Brazil 135 Bulgaria 155 Canada 156 Commonwealth of Independent...familiarity with Brazil and the importance of the 'Imperial' topaz deposits at Ouro Preto, Brazil, in the world...assumed importance) in the trade of deposits in Brazil and the former USSR, particularly those of pink...for this research. Information on the Ouro Preto, Brazil, deposits would not have been as complete without...Carlos Barbosa, Brazil; Professor J. Cassedanne, Brazil; Ora M.H. Falabella, Brazil; Dr T. Lee, Australia; |  | | 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 |  | | Journal (issue) | | SEPTEMBER–OCTOBER 2022 Articles The Akchatau mine, Shet District, Karaganda, Kazakhstan.............E. Wilson & T. P. Moore The Graf Jost-Christian mine, Wolfsberg, Harz Mountains, Sachsen-Anhalt, Germany...the amethyst they could collect at the old Pearl mine in Thunder Bay. They weren’t as successful with...localities such as the Majuba Hill mine, the Tsumeb mine and the Black Pine mine in Montana. More recently he...collection there. After graduating from Pascack Valley Regional High School, he The Mineralogical Record |  | | Journal (article/letter/editorial) | | determined by one mineral: for the first, it is lepidolite; for the second, zinnwaldite; for the third,...Additionally, they are known in the Aracuai (Cachoeira), Iberian (Sepeda), Altai (Koktogai), and Tuva-Mongol...Part 1 2019 35 Basin and Range province (Kings Valley and La Ventana–El Sauz) and one jadarite object...Yichun producing mine in the South China belt contains the largest known lepidolite resource in the world |  | | Journal (issue) | | Alexandrite from the Pegmatite Districts of Minas Gerais, Brazil Keith Proctor 33 Faceting Large Gemstones...alexandrites near the town of Hematita in Minas Gerais, Brazil; in less than three months in 1987, more...aquamarine, like the material from Coronel Murta (Brazil) and Tongafeno (Malagasy Republic). As we have...beryl originally found at the Maxixe mine in Minas Gerais, Brazil, is colored by a similar but different...ALEXANDRITE FROM T H E PEGMATITE DISTRICTS OF MINAS GERAIS, BRAZIL By Keith Proctor This fourth article in |  | | Book | | Deviations 371 Bolivia, 377 332 Proportions Brazil, 378 Angles of Faceted Bulgaria, 399 333 Burma... Cajon, Schmetzer, Heidelberg, De Janeiro, Brazil; Geological ton, VA; seum, Marie and Germany;...north of Thebes. No emeralds exist the emerald mine through stones. Qift as as other mineral, ...date of 1000 of Brazil. by the aborigines 40 Kunz inch (25 Indians of Brazil. these minerals In...pre-Columbian sites of Code, grave tematically of Brazil. labret made from a Colombian emeralds countries |  | | Journal (article/letter/editorial) | | Lawsonite Lazulite Lazurite Leonite Lepidocrocite Lepidolite Leucite Libethenite Linneite Lithiophilite Lithiophorite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet | | | Journal (article/letter/editorial) | | Lawsonite Lazulite Lazurite Leonite Lepidocrocite Lepidolite Leucite Libethenite Linneite Lithiophilite Lithiophorite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet |  | | Journal (issue) | | Ebert The Cap50 Topaz Deposit, Ouro Preto, Minas Gerais, Brazil 12 Peter C. Keller 21 Harry Winston:...11 THE CAPAO TOPAZ DEPOSIT, OUR0 PRETO, MINAS GERAIS, BRAZIL By Peter C. Keller For over 200 years, the...corner of the state of Minas Gerais, Brazil. Once the capital of Minas Gerais, it is only 97 lzm by car...impossible without the complete cooperation of the Capao mine owners, Wagner Colomboroli, Fernando Cello Gon~alves...west of the colonial city of Ouro Preto, in Minas Gerais, Brazil [figure 2). Today there are at least a dozen |  | | Book | | Antarctica 184 Argentina 184 Australia 185 Austria 187 Brazil 189 Colombia 195 India 197 Malagasy Republic 198...Aquamarine; Brazil, India, Malagasy Republic, Namibia, USA, USSR. Bixbite; USA (rare) Emerald; Brazil, Colombia...Malagasy Republic, Brazil, USA (rare) Heliodor; Brazil, Malagasy Republic, Namibia Maxixe; Brazil (rare) Morganite;...Morganite; Brazil, Malagasy Republic, Namibia, USA xiii Chapter 1 Emerald and beryl in antiquity Although...as one of the first to make a serious attempt to mine the Habachtal emerald deposit. It is reported that |  | | Book | | come not merely from one district but from a single mine. Thus the physical properties of many rocks and...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source...Analitico da Barita by Ministério das Minas e Energia in Brazil; and the numerous commodity profiles and...Considerations damage, Soviet Union Canada Chrysotile Brazil Zimbabwe Chrysotile South Africa Amosite Crocidolite...chrysotile. One of these bodies is worked at the Advocate Mine near Baie Verte. The canoe-shaped body is contained |  | | Book | | 184 Argentina 184 Australia 185 Austria 187 179 Brazil 189 Colombia 195 India 197 Malagasy Republic Mexico...=Aquamarine; Brazil, India, Malagasy Republic, Namibia, USA, USSR. Bixbite; USA (rare) Emerald; Brazil, Colombia...Malagasy Republic, Brazil, USA (rare) Heliodor; Brazil, Malagasy Republic, Namibia Maxixe; Brazil (rare) Morganite;...Morganite; Brazil, Malagasy Republic, Namibia, USA Xill —_ = 7 - Pease iS ean, 2a al + =a? 860)...was one of the first to make a serious attempt to mine the Habachtal emerald deposit. It is reported that |  | | Journal (article/letter/editorial) | | pegmatite), gem sites (e.g. Governador Valadares, Brazil, Be-B-aquamarinetourmaline pegmatite), deposits...is displayed in Fig. 5b. The Batalha Pegmatite, Brazil, well-known for its abundance in the so-called...ldspar)-quartz-kaolin pegmatite (spodumene < lepidolite-elbaite) based on the data published by da SiLva...dike of the Batalha Pegmatite (pg) in Pernambuco, Brazil (dip is shown by the arrowheads). It is intruded...Hanging wall mica schist on top of the Ipê Pegmatite, Brazil. The low-angle schistosity (red lines) runs almost |
|
