 | | Journal (article/letter/editorial) | | Paulo, Rua do Lago, 562, 05508-080 – São Paulo, SP, Brazil. *e-mail: datencio@usp.br Luiz A.D. Menezes Filho...Esmeralda, 534 – Prado, 30410-080 - Belo Horizonte, MG, Brazil. INTRODUCTION The three currently recognized members...serrabrancaite. Lavra do Criminoso, Água Boa, Minas Gerais Unanalyzed “roscherite” occurs as green spherules...Fazenda Colonião, municipality of Água Boa, Minas Gerais (Dunn et al. 1979). Among collectors the best...waterclear crystals of beryl. Lavra da Ilha, Itinga, Minas Gerais Zanazziite and a triclinic Fe-dominant “roscherite” |  | | Journal (article/letter/editorial) | | Lavra da Pitorra, Laranjeiras, Galiléia Minas Gerais, Brazil T here can be multiple reasons for including...Lavra da Pitorra, Laranjeiras, Galiléia, Minas Gerais, Brazil. Intense color is indicative of exposure...the electrical properties, and opposite-handed Brazil twins disrupt the optical properties. Thus, the...quartz crystals, namely Oxford County, Maine; Minas Gerais, Brazil; and Nuristan Province, Afghanistan. The...really fine rose quartz crystals are just labeled Minas Gerais. Fortunately for collectors, a few pockets have |  | | Journal (article/letter/editorial) | | Pennsylvania 17363 john@jwkustos.com Quartz CORES in Tourmaline Crystals Figure 1. A hollow elbaite shell sitting...7-cm specimen is from the Pederneira mine, Minas Gerais, Brazil. John S. White specimen and photo. M any...American Mineralogist titled “A Pseudomorphic Quartz-Tourmaline Relationship from Northern Nigeria.” I remember...(McCurry 1971). What she described are color-zoned tourmaline crystals from a pegmatite that have cores composed...composed of aggregates of quartz grains. The tourmaline crystals—presumably elbaite, but she did not specify—are |  | | Journal (article/letter/editorial) | | 1503–1507, 2000 Infrared study of OH sites in tourmaline from the elbaite-schorl series CRISTIANE CASTAÑEDA...das Pedras, CEP 30140-970 Belo Horizonte, Minas Gerais, Brazil National Commission of Nuclear Energy, Center...Postal 941, CEP 30123-970 Belo Horizonte, Minas Gerais, Brazil 3 Department of Geology, Federal University...Preto, Minas Gerais, CEP 35400-000 Brazil 4 Institute of Geosciences, Federal University of Minas Gerais...Gerais, Belo Horizonte, Minas Gerais, CEP 30430-120, Brazil ABSTRACT Two different behaviors controlled |  | | 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,...worldwide, and for his ownership of the Cruzeiro tourmaline and mica mine and the Jacobina amethyst mine |  | | Report (issue) | | Pattern: Cruzeiro mine, São José da Safira, Minas Gerais, Brazil. 2.568 (100), 2.939 (92), 3.447 (67), 3... (1) Cruzeiro mine, São José da Safira, Minas Gerais, Brazil; average of 10 electron microprobe analyses...exists with elbaite and tsilaisite. Mineral Group: Tourmaline supergroup, alkali group, subgroup 2. Occurrence:...São José da Safira and the Urubu mine, Itinga, Minas Gerais, Brazil. Name: As an elbaite with dominant fluorine...5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. Amer. Mineral., 98, 297-303. Mineralogical |  | | Catalog/List | | Colorado, USA 4 cm tall x 5.1 cm wide 7 Tourmaline Tourmaline does not have a color, it is a species of...one among very few. Tourmaline, Jenipapo District, Itinga, Minas Gerais, Brazil 6.7 cm tall x 6 cm wide...Sonora, Mexico 9.3 cm wide x 9.3 cm tall 14 Tourmaline The vivid coloration of this particular discovery...spectacular the world has ever experienced. This tourmaline is true to our theme of Candy. It thoroughly...breathtaking and unique. Tourmaline, Barra do Salinas Dist., Coronel Murta, Minas Gerais, Brazil 12 cm tall x 4 |  | Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594 | Journal (article/letter/editorial) | | Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement...562, 05508-080 São Paulo, SP, Brazil 2 Rua Murici 62, Campinas, SP, Brazil 3 Department of Earth and Ocean...Ceará, Caixa Postal 6030, 60455-900 Fortaleza, CE, Brazil 5 Departamento de Física e Informática, Instituto...Paulo, Caixa Postal 369, 13560-970 São Carlos, SP, Brazil 1 aBStRact A new occurrence of rankamaite is here...described at the Urubu pegmatite, Itinga municipality, Minas Gerais, Brazil. The mineral forms cream-white |  | | Journal (issue) | | 3 FEATURE ARTICLES Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Araquai Districts...Sapphire Robert E. Kane 40 Interesting Red Tourmaline from Zambia Iohn I. Koivula and C. W. Fryer ...recent years. Two articles in this issue deal with tourmaline: one with the (lrecl that hns prod~rcedmore tourlnaline...in the world-Minos Gerais, Brazil; the other with (I new locality for red tourmaline-Zcrmbia. The pendanr...thousand miles south, to the "Gem Pegmatites of Minas Gerais." THe first in a series (which Cdntinues in |  | | Report (issue) | | Mineral Group: Forms a series with dravite. Tourmaline group. Occurrence: In granites, granite pegmatites...Diego Co., California. In Brazil, from a large district around Ara»cua¶³-Itinga-Salinas, and the Itatiaia...Itatiaia district, Governador Valadares, Minas Gerais; at S~ao Jos¶e da Batalha, Para¶³ba. Name: From the...system of mineralogy, (6th edition), 551{558 Ä [tourmaline]. (2) Vernadsky [Vernadskii], V.I. (1913) Uber...crystal structure of elbaite and the mechanism of tourmaline solid solution. Tschermaks Mineral. Petrog. Mitt |  | | Journal (article/letter/editorial) | | The EBPP is situated mainly in the State of Minas Gerais, but encompasses also parts of the States of...districts are leaders in the production of gemquality tourmaline, aquamarine, morganite, and contain abundant...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 |  | | Catalog/List | | crystal is 1.5cm high Telirio Mine, Linopolis Minas Gerais Brazil with previous dealers label £55 overall size...Tsumeb Namibia £28 28 Mg LUCCHESIITE, a very rare tourmaline group mineral . Reference specimen small black...Tuscany Italy £ 17 29 PRINCIVALLEITE another rare Tourmaline group mineral, a 2mm grey blue spot in 2cm matrix...intergrown plates Jenipapo district, Itinga Minas Gerais Brazil 8x6 £18 FLUORESCENT MINERALS 73 SODALITE...hexagonal crystals on grey feldsar minor pink tourmaline V arutrask Lithium pegmatite North Sweden 7x6 |  | | Journal (issue) | | Windmill-cut topaz from Namibia|Tourmaline from Masisi, DRC|Yellow tourmaline from Mavuco, Mozambique|Tremolite...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,...ct Swiss Blue topaz, 7.99 ct amethyst, 3.29 ct tourmaline, 2.40 ct aquamarine, 1.12 ct Imperial topaz and... honey-colour chrysoberyl and Paraíba-colour tourmaline. Each includes a definition, history, research |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection...Fineart Print Inside cover photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy...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 |  | | Journal (article/letter/editorial) | | 1967 in the Pioneira mine, Teofilo Otoni, Minas Gerais, Brazil. Downloaded by [Stockholm University Library]...multicolored tourmaline from the Barra de Salinas mine, Aracuai-Itinga district, Minas Gerais, Brazil. Although...Although the owner did not wish to sell the tourmaline, he was willing to trade; and thus they negotiated...specializing in colored gemstones. Keith's travels in Brazil in search of gems and crystal specimens have added...gemmy red tour malines from the Jonas mine in Brazil have sold for several hundred thousand dollars |  | | Report (issue) | | Association: Spodumene, pollucite, lepidolite, tourmaline, topaz, albite, microcline, quartz. Distribution:...pegmatite, Bernic Lake, Manitoba, Canada. In Brazil, from Minas Gerais, in the Maxixe, Lavra Velha, and Lavra...pegmatites, near Ara»cua¶³, and in the Taquaral mine, Itinga. In the Londonderry quarry, Coolgardie, Western |  | | Report (issue) | | Quartz, plagioclase, potassic feldspar, biotite, tourmaline, topaz. Distribution: Uncommon in euhedral crystals...Ontario, Canada. In Brazil, in Minas Gerais, at Urucum, from the Taquaral mine, Itinga, and in the Jos¶e |  | | Report (issue) | | spodumene, lepidolite, petalite, pollucite, tourmaline, triplite, lithiophilite, lacroixite, crandallite...California. In Brazil, gemmy crystals from Linópolis, Galiléia; at Araçuaı́, Itinga, Governador Valadares...Valadares, and other places in Minas Gerais. In the Buranga pegmatite, near Gatumba, Rwanda. Name: For |  | | Journal (issue) | | Top right: Topaz, 8.4 cm, from Ouro Preto, Minas Gerais, Brazil. Lower left: Phosphophyllite, 2 cm, from...Andrea Bartorelli: Minerals and Precious Stones of Brazil. Other important references (if any) for individual...da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson collection (I had to buy many unwanted...Morganite beryl, 7.5 cm, from near Araçuai, Minas Gerais, Brazil. The find predates the discovery of morganite...to get this specimen, a complete floater, for my Brazil collection); Tom Spann photo. Reference: Cassedanne |  | | Journal (article/letter/editorial) | | Sonora, cesbronite, 744; quetzalcoatlite, 26i Brazil Igarapd Jornal, Serra do Navio, Amapd, nigerite...chrysoberyl, cassiterite, tourmaline, gahnite, 837 Itabira, Minas" Gerais, arsenopalladinite, atheneite...palladinite (mercurian), Pd selenide, 528 Itinga, Minas Gerais, eosphorite, 895 Raposa pegmatite, S~o Josd |  | | 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) | | & Diane Brownlee collection; Joe Budd photo. Tourmaline with cleavelandite, 4.3 cm, from Stak Nala, Haramosh...kunzite), 9 cm, from the Urucum mine, Galiléia, Minas Gerais, Brazil. Gus & Jane Eifler collection; Holly Smith...Gilgit-Baltistan, Pakistan. Paul Bordovsky photo. Tourmaline, 11.5 cm, from Azad Kashmir, Pakistan. Jeff Scovil...Topaz, 15 cm, from Hematita, Antonio Dias, Minas Gerais, Brazil. Tom Spann photo. (below right) Spinel...Aquamarine, 9 cm, from Corrego São Francisco, Minas Gerais, Brazil. Tom Spann photo. Rhodochrosite on manganite |  | | Journal (issue) | | Crystallized and massive rose quartz deposits in Brazil Jacques P. Cassedanne, Cassedanne, D.Sc.,* D.Sc...910, 21.910, Rio Rio de de Janeiro, Janeiro, Brazil Brazil *Institute of **Roditi Jewellers, Avenida Rio...Branco 39, 15,20.090, 15, 20.090, Rio de Janeiro, Brazil Abstract Brazilian rose rosequartz quartzoriginates...Boqueirão and Fazenda Sao São Jorge (State of Minas Gerais), C6rrego Córrego do Lodo, Ribeirao Concei~ao...pegmatites are scatteredinineastern easternBrazil. Brazil. scattered The crystallized rose quartz pegmatites |  | Bosi, F., Andreozzi, G. B., Skogby, H., Lussier, A. J., Abdu, Y., Hawthorne, F. C. (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. American Mineralogist, 98 (2) 297-303 doi:10.2138/am.2013.4285 | Journal (article/letter/editorial) | | 5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup Ferdinando Bosi,1,* Giovanni B. Andreozzi...5)Al6(Si6O18)(BO3)3(OH)3F, is a new mineral of the tourmaline supergroup. It is found in miarolitic cavities...pink beryl in the Cruzeiro and Urubu mines (Minas Gerais, Brazil), and apparently formed from late-stage...+ WOH, respectively. Keywords: Fluor-elbaite, tourmaline, new mineral species, crystal-structure refinemnet...microprobe, Mössbauer spectroscopy Introduction The tourmaline supergroup minerals occur typically as accessory |  | | Journal (article/letter/editorial) | | Photographs January-February: Quartz, Brumado, Bahia, Brazil; photo by Harold and Erica Van Pelt. March-April:...Elbaite, Lavra, do Genipapo, Municipio of Itinga, Minas Gerais, Bra zil; photo by Bill Robertson. July-August:...Massachusetts, M. Ryan, 270 Boulangerite, 190 Brazil, Minas Gerais moraesite, 318 Brookite, 190, 411 Brown...Story of Mount Mica's Largest and Most Remarkable Tourmaline Crystal, B . M. Shaub, 447 Faustite, 162 Ferguson...and Rocks of Wyoming, Seamanite, 166 351; The Tourmaline, 453 Second Edition, Topaz and Herderite at Topsham |
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Ponte do Piauí claim, Piauí valley, Taquaral, Itinga, Minas Gerais, Brazil