 | | 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) | | tourmaline garnet was coined, probably referring to rubellite (the pink to red gem variety of tourmaline). Until...market. In the late 18th century the discovery of rubellite deposits near Nerchinsk, Siberia, and the fi nds...characteristic of gem tourmaline found in Pederneira, Minas Gerais, Brazil. SPECIMEN FROM DANIEL TRINCHILLO ; PHOTO...fluor-liddicoatite, rossmanite Pink and red Rubellite Mn3+ (c), Mn3+ + Fe (d) or Mn 2+ -Mn3+ IVCT ...TOBER 2011 Faceted elbaite stones from Paraíba, Brazil (2.59– 3.68 ct; the stone on the left is about |  | | 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 defect...ALEXANDRITE FROM T H E PEGMATITE DISTRICTS OF MINAS GERAIS, BRAZIL By Keith Proctor This fourth article in |  | | 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) | | gem quality rubellite crystal, 75 mm long, from the Cruzeiro mine, Minas Gérais, Brazil. See 'The location...location, geology and mineralogy of gem tourmalines in Brazil' on pp. 263-98 ISSN: 1355-4565 262 J. G e m...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 |  | | 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) | | 32 Purple to Reddish Purple Chrysoberyl from Brazil 42 Identification Characteristics of Natural...Cat’s-eye Apatite from Brazil Intense blue apatite is known from Minas Gerais, Brazil, and cat’s-eye stones...Epstein (Precious Resources Ltda., Teófilo Otoni, Brazil). He reported that the material was found in January...These cat’s-eye apatites (2.45 and 3.80 ct) from Brazil are colourless, which is highly unusual for this...the origin of the unusual rough material within Brazil is unknown. Brendan M. Laurs Reference O’Donoghue |  | | 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 |  | | 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) | | cm, from near Galileia, Rio Doce Valley, Minas Gerais, Brazil. Roberto Appiani photo. IIEMATITE with... from the Santa Rosa mine, Doce Valley, Minas Gerais, Brazil. Jeff Scovil photo. Supplement to The Mineralogical...terminated scepter from the Medina mine, Minas Gerais, Brazil. Jeff Scovil photo. (above left) ELBAITE...the Pederneira mine, Sao Jose da Safira, Minas Gerais, Brazil. Jeff Scovil photo. SCHEELITE on muscovite...twins found in 1940 at Itagua~u, Espirito Santo, Brazil. Jeff Scovil photo. Supplement to The Mineralogical |  | | 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...gem pegmatite regions of the 20th century: Minas Gerais, Brazil. With these articles, we hope to take you...what pegmatite gems have meant historically in Brazil and the production of one very important pegmatite |  | | 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...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...Ipanema, 22,410, 22,410, Rio de Janeiro, Janeiro, Brazil **Maurice Roditi Jewellers, distinguished: Abstract |  | | 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) | | 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...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...parents’ home on his way back from a two-month tour of Brazil. The photo knocked my socks off! The dialog went |  | | Book | | 158 Thulite 190 Rubicelle 156 Olivine 187 Rubellite Nephrite Thetis Hair Stone 187 Rock Crystal...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 |  | | Journal (issue) | | from Brazil shows chatoyancy caused by flat hollow channels. Four-rayed star aquamarine from Brazil has...the c-axis. A tourmaline-quartz combination from Brazil has an iridescent chatoyancy Grey orthoclase moonstone...cat's-eye from Brazil A very unusual example of a cat's-eye was purchased in Brazil by the author in...measuring Figure 1: Chatoyant pale blue topaz from Brazil weighing 152.15 ct. Photo by J. Hyrsl. 32.94 x...described two topaz cat'seyes, one blue of 7.98 ct from Brazil and another colourless of 12.20 ct from Sri Lanka |  | | Book (edition) | | 198 Ratanakiri Zircon 204 Rhodolite 210 Rubellite 216 Ruby 224 Russian Diopside 232 Spessartite...Amethyst Ruby Star Ruby oO mm. Rose Quartz Rubellite te, Pezzottaite, Pink Opal and Umbalite. Other...Tourmaline Pink Tourmaline Rubellite MEXICO NIGERIA e— TAHITI Tahitian Pearl BRAZIL Agate TANZANIA Amethyst...Tourmaline Purple Spinel Rhodolite Rose Quartz Rubellite Spessartite Tanzanian Ruby Aquamarine Blue Fire...Petalite Pink Tourmaline Rose Quartz Tanzanite Rubellite Sky Blue Topaz URUGUAY Tsavorite Sphene Amethyst |  | | 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...beautiful emerald-green, indicolite-blue and rubellite-red colors with green terminations. Continued |  | | Journal (issue) | | Collector—Part II Fify-nine treasure hunts in Minas Gerais, 1969–2005 . . . . . . . . . . . . . 207 by...field mineralogist for the Manhattan Project in Brazil in 1941, and served in the Army Signal Corp in...Collector—Part 2: Fifty-Nine Treasure Hunts in Minas Gerais, 1969–2005 Guido Steger Nestroystrasse 15 2700...been visiting mines and mineral occurrences in Brazil for 36 years, and has seen many now-famous discoveries...the gemstone mines and marketing centers of Minas Gerais, I sought first to learn about recent discoveries |  | | Journal (issue) | | produced as a result of their work in the area. Rubellite (red to pink tourmaline) was the first gemstone...published by the Direc^ao dos Servicos de Geologia e Minas, (DSGM), Mozambique.) pegmatites of Alto Ligonha...tourmaline (DSGM, 1974), including the much-admired rubellite form Muiane, and beautiful green to blue-green...Mantienne, 1988), along with a remarkable 50-cm rubellite crystal from Muiane. Crystal forms observed on...1960). An electron microprobe analysis of a large rubellite crystal in the Jack Halpem collection was performed |  | | Catalog/List | | listing a specimen as being from “Nevada” or “Minas Gerais.” The situation has not markedly improved with...MAGNESITE Brumado (Bom Jesus dos Meiras), Bahia, Brazil As prevalent as Magnesium Carbonate is in the rocks...five or less localities is the deposit at Brumado, Brazil, where well-formed and transparent crystals are...Estimate: $8,500-$9,500 52054 MANGANOTANTALITE Minas Gerais, Brazil Everybody has become acquainted with the...Manganotantalite) is from the conflict-free country of Brazil. Bidders can rest easy now. This luscious little |  | | Journal (issue) | | Santa Maria mine, Brazil; (2) 20.10-ct peridot, Burma; (3) 21.09-ct kunzite, Brazil; (4) 8.14-ct grossular... California; (6) 15.18-ct tourmaline, Paraiba, Brazil; (7) 10.42-ct tanzanite, Tanzania; (8) 6.09-ct...38-ct ruby, Burma; (17) 3.08ct tourmaline, Paraiba, Brazil; (18) 1.85-ct fancy purple-pink diamond, Argyle...number of new localities. Fine alexandrites from Brazil, sapphires from Southeast Asia and Australia, emeralds...pegmatite gemstones (tourmaline, aquamarine, etc.) from Brazil, Pakistan, Afghanistan, and several countries in |  | | 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 |  | | Journal (issue) | | 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...diamond-cutting industry based on rough being imported from Brazil. Bauer39 also quotes Geneva as the source of cut... A kunzit e cat's-eye weig hing 113.32 ct from Brazil is described as are phosgenites from Morocco. Schungite...location, geology and mineralogy of gem tourmalines in Brazil SOLOMONOV, V.I., MIKHAILOV, S.G., OSIPOV, V.V. |  | | 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 |
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