 | | 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 |  | | Journal (article/letter/editorial) | | AND POTARITE FROM THE BOM SUCESSO STREAM, MINAS GERAIS, BRAZIL: COMPOSITIONAL ZONING AND ORIGIN MICHAEL...13506-900 Brazil ABSTRACT Platinum–Pd nuggets from the Bom Sucesso stream alluvium, Minas Gerais, Brazil...potarite, botryoidal nuggets, alluvium, Bom Sucesso, Brazil. SOMMAIRE Nous avons caractérisé des pépites alluvionnaires...provenant du ruisseau Bom Sucesso, dans l’état de Minas Gerais, au Brésil, par analyses à la microsonde électronique...occurs uncommonly in placer deposits in Minas Gerais (Brazil), Choco (Colombia), and Guyana in South |  | | Journal (issue) | | Palladium and platinum from Corrego Bom Sucesso, Minas Gerais, B razil...............................471 by...Waisman An occurrence of bixbyite, spessartine, topaz and pseudobrookite from Ash Creek near Hayden, Arizona...Universitaria Ilha do Fundao 21.190 Rio de Janeiro, Brazil Jeanete N. Alves Departamento de Recursos M inerals—RJ...inerals—RJ Rua Marechal Deodoro 351 24.030 Niteroi, Brazil The Corrego Bom Sucesso prospect is one o f Brazil’s...Diamantina in central Minas Gerais, Brazil. It is near the historic town of Serro. Access is by way of |  | | 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 |  | | 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...MINERAL TREASURES OF BRAZIL 76 85 AN OUTLINE OF THE MINERAL RESOURCES OF BRAZIL ORIGIN OF GIANT CRYSTALS |  | | Journal (issue) | | and Anthony R. Kampf Gem Pegmatites of Minas Gerais, Brazil: Exploration, Occurrence, and Aquamarine...the northeastern section of the state of Minas Gemis, Brazil. The history of gem exploration and m i n...Te6filo Otoni-Marambaia pegmatite district of Minas Gerais. As is common with most aquamarines, the stones...of the aquamarine and most of the tourmaW l ine, topaz, kunzite, morganite, and many other gem materials...gem pegmatite regions of the 20th century: Minas Gerais, Brazil. With these articles, we hope to take you |  | | Journal (article/letter/editorial) | | tin-bearing continental-type acid magmatism in central Brazil a M~ircio M. Pimentel a, b, Larry Heaman c, Reinhardt...Geocigncias, Universidade de Brasilia, Brasilia, 70910, Brazil b Department of Earth Sciences, University of Oxford...tin-bearing continental-type acid magmatism in central Brazil. Precambrian Res., 52:321-335. U - P b geochronological...subprovinces of the Goi~is tin province, in central Brazil, reveal two distinct episodes of mid-Proterozoic...known in other parts of the Precambrian shield of Brazil. This indicates that extensive areas of this shield |  | | Book | | MINES AND MINERALS IN BRAZIL --= ··--· ··- ·-·=- MINES AND MINERALS IN BRAZIL J OSIAS LEAO (ECONOMIC...regarding water power and industry of electr·icity in Brazil were specially prepared at the Division of Waters........ 189 SUMMARY OF THE MINERAL RESERVES OF BRAZIL..... . ... ....... . .. 199 STATISTICAL TABLES...practically untouched, the mineral reserves of Brazil have already been a source of wealth to many and...without the discovery of the precious metals in Brazil the existence of the modern economic man would |  | | Report (issue) | | Campo Dom Bosco, and Ouro Branco Quadrangles Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-B...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation...Quadrangles Minas Gerais, Brazil By ROBERT F. JOHNSON GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-B Prepared in cooperation with the Departamento...Departamento National da Producao Mineral of Brazil under the auspices of the International Cooperation Administration |  | | Report (issue) | | No. 14: Topaz Perfect Cleavage ISBN 978-0-9790998-9-2 Publisher Lithographie, LLC Denver, Colorado...Photo Credits Cover: Topaz, 3.5 cm tall Capao Mine, Ouro Preto, Minas Gerais, Brazil Max and Jon Sigerman...Sigerman collection Robert Weldon photo Above: Topaz, 5.5 cm tall El Chalten, Santa Cruz, Argentina Scott Rudolph...brooch/pendant is set with topaz from three different localities. Two Brazilian "Imperial" topaz gems make up the...the wings, totaling 19.59 carats, are light blue topaz. The wing tips are set with melee diamonds. The |  | | Book | | 1 2 Axinite 26 Dumortierite 4 Tourmaline Topaz 23 Hessonite 3 Sulphur Kyanite 5 28 29 Staurolite...such alluvial deposits include diamond, corundum, topaz, gold and tin. 3 Metamorphic rocks are previously-formed...Calcite 4 Fluorspar 5 Apatite 6 Feldspar 7 Quartz 8 Topaz 9 Corundum 10 Diamond All minerals can scratch the...imported from rich mineral¬ bearing areas such as Brazil, but of course a specimen bought gives much less...pegmatites. Fine colourful crystals come from Minas Gerais, Brazil; Madagascar; the Urals; the island of Elba; |  | | Journal (issue) | | spinel from Badakhshan, Afghanistan| Windmill-cut topaz from Namibia|Tourmaline from Masisi, DRC|Yellow...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,...Swiss Blue topaz, 7.99 ct amethyst, 3.29 ct tourmaline, 2.40 ct aquamarine, 1.12 ct Imperial topaz and 4.84...corundum, alexandrite, tanzanite, zircon, Imperial topaz and emerald (and its most common fillers). The unit |  | | Journal (issue) | | APRIL 1993 Cover Picture The Hematita mine in Minas Gérais in 1987 - probably the richest alexandrite...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G.A. your key...examined by this method. These include muscovite in topaz, apatite in spinel and corundum, and biotite in...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil JacquesCassedanne, Cassedanne, D.Sc.,* Maurice...Fundiio, Fundão, 21,910, Rio de Janeiro, Janeiro, Brazil *Institute of Geosciences UFRJ-CNPq, Cidade Universitaria |  | | Book | | A. Jobbins Butterworth-Heinemann Gem Books Topaz m(JTTERWORTH EINEMANN Butterworth-Heinemann Ltd...Library Cataloguing in Publication Data Hoover, D. B. Topaz. - (Butterworth-Heinemann Gem Books Series) I. Title...Profile xii 1 Topaz - Historical perspectives 1 Introduction 1 Etymology of topaz 1 Topaz in ancient times...times 3 Topaz in Roman times 8 The Dark Ages 12 The Middle Age~ - topaz changes colour The beginning of...of empiricism 15 13 2 Large and important topaz gems and crystals 20 Introduction 20 Giant uncut crystals |  | | 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 (article/letter/editorial) | | perovskite, 770. Bulema, Kigezi, apatite, microlite, topaz, 50. Kazumu Main, Kigezi, apatite, lithiophorite...1052. Benson, montebrasite, tantalite, microlite, topaz, hafnian zircon, 50. Bepe, spessartine, 50. Beryl...Bikita, manganoan apatite, montebrasite, formanite, topaz, rubellite, 50. Chiwya Claims, strengite, arrojadite...spodumene, 50. Mauve, Salisbury, montebrasite, topaz, 50. Melsetter, bismutotantalite, microlite, 50...Portree, petalite, tantalite, 50. Python Eggs, topaz, 50. Ronmau, montebrasite, 50. TOPOGRAPHICAL INDEX |  | | Journal (issue) | | agate nodule showing alternate red and white bands (Brazil). Below: Agate pebbles from a river in Peru. Agate...have been discovered in the last hundred years in Brazil and Uruguay. Other plentiful deposits of agate...found in small quantities in Sri Lanka, Burma and Brazil. Alexandrite's unique colour-changing phenomenon...like this have been found in Sri Lanka, Burma and Brazil. There is no other natural gem that resembles alexandrite...deposits of almandine garnet are found in Australia, Brazil, India, Madagascar, Sri Lanka and Tanzania. The |  | | Journal (issue) | | Gelaude Senaite from the Fazenda Guariba, Minas Gerais, Brazil...........................................1986 Semite from the Fazenda Guariba, Minas Gerais, Brazil J. P. Cassedanne Instituto de Geociencias...Universitaria Ilha do Fundao, 29.910 Rio de Janeiro, Brazil INTRODUCTION Senaite, Pb(Ti,Fe,Mn)220 38, has...diamond-bearing gravels from the Diamantina area, Minas Gerais, Brazil. The material was first reported by Damour...the gold-bearing, platinum-bearing gravels near Serro (Cassedanne and Cassedanne, 1974a) prompted a search |  | | Journal (issue) | | geology, and notable localities of diamond mining in Brazil, and outlines plans for future diamond production...sapphire • Quarterly crystal: Mystery inclusion in topaz 109 110 112 pg. 132 The Dr. Edward J. Gübelin... Svisero, James E. Shigley, and Robert Weldon Brazil, which commanded global production in the 1700s...principally in the states of Minas Gerais and Mato Grosso, are presented. W hile Brazil is widely known for...Tijuco (later named Diamantina) in the state of Minas Gerais (Calógeras, 1904; Leonardos, 1959; Barbosa, |  | | 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...nephrite], opal, peridot, quartz, spinel, tanzanite, topaz, and tourmaline). Locality information is both summarized...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 |  | | Book | | Rutile Odontolite 158 Tiger's-Eye 190 213 Topaz 190 218 Tortoise Shell 195 196 218 Tourmaline...materials Quartz crystals from Corinto, Minas Gerais, Brazil. Height: 15 cm. Sorbonne collection using...crys- Washing diamond-bearing gravel in Minas Gerais, Brazil. Photo: tals of such minerals as quartz...phrase ‘‘gem quality’ to de- from Salinas, Minas Gerais, well as an ‘‘ornamental stone.’ Amethyst...and a jeweler might then speak of a ‘root’ as Brazil Length: 9 cm. K. Proctor collection, United States |  | | Report (issue) | | Deposits of the Western Serra do Curral, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-G...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Curral, Minas Gerais, Brazil By GEORGE C. SIMMONS GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-G Prepared in cooperation with the Departamento...Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International Development |  | | Book | | used against snake bites, and poisons in general. Topaz, powdered in wine, chased away depression - a result...result which wine alone, without the addition of topaz, could easily achieve! Albertus Magnus, a famous...Pl. 36 idocrase; rhombic Pl. 27 barites, Pl. 34 topaz, Fig. 1; monoclinic Pl. 39 augite, Pl. 40 hornblende...wolframite, and fluorine-bearing minerals such as topaz, tourmaline, and many others (see p. 143). Mineral...)3(F, Cl) 6 feldspar KA!Si 30 8 7 quartz Si0 2 8 topaz Al 2 Si0 4 (F, OH) 9 corundum Al 2 0 3 10 diamond |  | | Journal (issue) | | Garnets" New Era Gems, Grass Valley, CA BRAZIL 1989 Topaz, Tourmaline and Aquamarine Traveling with...2 1 Traveling w�th Otto and Margret Brazil 1 989 L Topaz, Tourmaline and Aquamarines Otto & Margret...Iguassu River, flows across westwards southern Brazil for about 820 mtles ( 1 ,320 km) from Its source...m s t h e b o u n d a ry between Argentina and Brazil. Spend.Ing the afternoon on the Brazilian side...the famous Italpu Hydro Darn between Paraguay and Brazil, we followed that with a visit to the Argentine |  | | Book (volume) | | 7.5-8, gem is actually slightly softer than topaz. have been produced since the early 1930's. They...fashionable as a gem. state of Minas Geraes, (1968) It is Brazil. found principally in San Diego...Other forms „ 7a, b. Rose recoupee ,, ,, 162 Brazil : S. ., , sphere of Bort Ruby, 6. 7. crystal...Stewart (from South Africa) Mr. Dresden's (from Brazil) c. ... ... new form PLATE XL 76 (Facing ... . . Size). ..... Star of the South (from Brazil) Florentine 77 ,, 78 ,, 78 „ 15. 11a, |
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