 | | Journal (issue) | | FEATURE ARTICLES 260 An Update on “Paraíba” Tourmaline from Brazil James E. Shigley, Brian C. Cook, Brendan...elbaites are expanding at the original deposit in Paraíba State, and similar tourmalines are also being mined...drill holes • Glass sold as quartz • Fossil ivory • Hornbill “ivory” • Quartz with rhodochrosite • Sapphires...on amethyst, citrine, and ametrine from the Anahí mine, Bolivia • “Copal” resin from Madagascar • Iolite...corundum from Wyoming • Green kyanite from Bahia, Brazil • “Ruby Rock” cabochons • Tourmaline from Warner |  | | Journal (issue) | | Articles Cuprian elbaite from the Batalha mine, Paraíba, Brazil . . . . . . . . . . . . . . . . . ....by W. E. Wilson Stibnite from the Wuling antimony mine, Jianxi province, China . . . . . . . . . . . ....and corrosion surfaces, from the Medra mine, Minas Gerais, Brazil. Keith Proctor collection; Jeff Scovil...certain gem materials including corundum, spodumene, quartz and topaz. Recent tests conducted by the Gemological...However, color changes can take place in fluorite and quartz at dosages around 20 megarads, and possibly lower |  | | Journal (issue) | | Paraiba Tourmaline Revisited Paraiba Tourmaline from Brazil – The Neon-Blue Burn Mozambique Paraiba Tourmaline...& Jewelry Industry President Clement Sabbagh, Brazil Vice Presidents Damien Cody, Australia Nirmal Kumar...Kumar Bardiya, India Treasurer Marcelo Ribeiro, Brazil Secretaries Bruce Bridges, USA Santpal Sinchawla...offering courses in gem trading and educational mine tours that are open to everyone. Consumers are becoming...which includes two washplants, security set-up, mine camps and other related infrastructure. The company |  | Beurlen, H., de Moura, O. J. M., Soares, D. R., Da Silva, M. R. R., Rhede, D. (2011) Geochemical and geological controls on the genesis of gem-quality "Paraiba Tourmaline" in granitic pegmatites from northeastern Brazil. The Canadian Mineralogist, 49 (1) 277-300 doi:10.3749/canmin.49.1.277 | Journal (article/letter/editorial) | | OF GEM-QUALITY “PARAÍBA TOURMALINE” IN GRANITIC PEGMATITES FROM NORTHEASTERN BRAZIL Hartmut BEURLEN§...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Odúlio J.M. de MOURA H&R Exportação e Importação...Valadares, MG, Brazil Dwight R. SOARES Instituto Federal de Educação, Ciência e Tecnologia da Paraíba (IFPB)...Lemos 671, 58100–000, Campina Grande – Paraíba, Brazil Marcelo R.R. DA SILVA Departamento de Geologia, Universidade...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Dieter RHEDE GeoForschungsZentrum Potsdam, Telegrafenberg |  | | Journal (article/letter/editorial) | | 2013 Let’s Get it Right Paraíba Tourmaline, or Not? I n the gem world Paraíba tourmaline is a hot topic...of Paraíba, Brazil. The locality is precisely given as Mina da Batalha, near São José da Batalha (Fritsch...dos Quintos mines (Karfunkel and Wegner 1996)— so Brazil has been producing small amounts of this material...Norte was marketed as “Paraíba” tourmaline although it did not come from Paraíba. No one seemed to mind...blue-green, and green to closely resemble that from Brazil. In all cases chemical analyses have revealed that |  | Soares, D. R., Beurlen, H., Barreto, S. d. B., Da Silva, M. R. R., Ferreira, A. C. M. (2008) COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 46 (5) 1097-1116 doi:10.3749/canmin.46.5.1097 | Journal (article/letter/editorial) | | THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL Dwight Rodrigues SOARES§ Centro Federal de Educação... 671, 58100-000, Campina Grande, State of Paraíba, Brazil Hartmut BEURLEN Programa de Pós-Graduação...State of Pernambuco, Brazil Sandra de Brito BARRETO and Marcelo Reis Rodrigues DA SILVA Departamento de...Ramos s.n., 54740-530, Recife, State of Pernambuco, Brazil Ana Claudia Mousinho FERREIRA Centro Federal de... 671, 58100-000, Campina Grande, State of Paraíba, Brazil Abstract Various species of the tourmaline-group |  | | Journal (article/letter/editorial) | | and spessartine. Historic localities are found in Brazil, Madagascar, Russia, and the United States, but...(Simmons 2007). Historically, pegmatite deposits in Brazil, Madagascar, Russia, and the United States have...Pakistan) (TABLE 2). Crystals “frozen” in massive quartz or feldspar in the core or core margin of a pegmatite...variety) and tourmaline commonly occur in massive quartz or feldspar of the centrally located pegmatite...Acadêmico Hélio Ramos, 54740-530, Recife, Pernambuco, Brazil E-mail: beurlen@ufpe.br E LEMENTS , V OL . 8, |  | | Journal (article/letter/editorial) | | blue-to-green, copper-bearing tourmaline, the Paraíba-type, is one of the highest-priced colored gemstones...dravite–uvite species. KEYWORDS : tourmaline, gemstone, Paraíba-type, chromophores, gem deposits TOURMALINE AS...gem tourmaline found in Pederneira, Minas Gerais, Brazil. SPECIMEN FROM DANIEL TRINCHILLO ; PHOTO BY J AMES...“fluor-elbaite,” fluor-liddicoatite Blue (neon) “Paraíba-type” Cu 2+ Elbaite, liddicoatitic tourmaline...ionizing radiation (a) (b) Compiled after Zang and da Fonseca-Zang (2002), and from G. R. Rossman’s spectroscopy |  | | Journal (article/letter/editorial) | | Abstract: Copper- and Mn-bearing elbaitic tourmaline (“Paraíba tourmaline”) sometimes contains significant amounts...Mulungu mine, Brazil; (3) Cu- and Bi-bearing tourmalines from the Alto dos Quintos mine, Brazil. Two correlations...content. Further plots of such correlations in “Paraíba tourmaline” samples might also help to distinguish...tourmalines, which were found in granitic pegmatites in Brazil and Mozambique. The first crystal structure of...observed in other pegmatites, like the Himalaya mine pegmatite in Mesa Grande, Ca, USA [37]. The average |  | | Journal (article/letter/editorial) | | Mineralogical Association MINERALOGY IN BRAZIL The image of Brazil as a fabulous place for minerals is a...present scientific environment in Brazil. Mineralogists in Brazil are experiencing the best job market...market in 30 years. The vast piece of land known as Brazil, the only Portuguese-speaking country in Latin...wealth is poorly distributed among the population, Brazil is an El Dorado for mineralogists and Earth scientists...country. Gold was a leading resource in colonial Brazil—gold was sent by ship to the Portuguese crown, |  | | Journal (issue) | | SPRING 2006 SPRING 2006 PAGES 1–94 “Paraíba” Tourmaline from Brazil, Nigeria, and Mozambique Lead Glass–Filled..._____________ 4 Carat Points “Paraíba”-type Copper-bearing Tourmaline from Brazil, Nigeria, and Mozambique:...chemical compositions of bright blue-to-green “Paraíba”type tourmaline from the three known sources. ...Inscriptions inside emerald crystals • Color-coated star quartz • Variscite, resembling turquoise 62 Gem News...Myanmar • Gem-quality massive pink muscovite from Brazil • Pyrope-spessartine from Tanzania • Transparent |  | | Book | | until he managed to reach the land of his dreams, Brazil. A specialist in the field of geology and mineralogy...France acquired his remarkable collection of giant quartz crystals, exhibited in the National Museum of Natural...crystals and the remarkable mineral treasures of Brazil, as well as the incredible adventures and difficulties...CRYSTALS GIANT QUARTZ CRYSTALS UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL Cyan Magenta...Crystals GIANT QUARTZ CRYSTALS UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL SOFIA–MOSCOW |  | | Journal (issue) | | branch ‘pearl’ from a giant clam|Quartz beads imitating tourmalinated quartz p. 103 ARTICLES Feature Articles...and Trace-element Composition of Paraíba-type Tourmaline from Brazil, Mozambique and Nigeria By Martin...cushion and ~5 ct stone in ring) and from Paraíba, Brazil (3.5 mm gems in bracelet and 4.02 ct oval)...on Petra Diamonds by Jim Davidson, (3) the Karowe mine by John Armstrong of Lucara Diamond Corp., (4) the...Leonardo Silva Souto (Gems in Gems, Teófilo Otoni, Brazil) had approximately 50 cabochons weighing up to |  | | Journal (issue) | | typically associated with hydrothermal synthetic quartz and synthetic emerald. RAPID COMMUNICATIONS ________...Copper-bearing Tourmalines from New Deposits in Paraíba State, Brazil Masashi Furuya pg. 240 240 Natural Type...ruby 252 Gem News International Large diamond mine to be developed in Saskatchewan, Canada • Spurious...axinite from Pakistan • Multicolored fluorite from Brazil • Cr/V-bearing kyanite from Madagascar and elsewhere...diamond inclusion in quartz from Diamantina, Brazil • An unusual type of phenomenal quartz • A new gemstone |  | | Journal (article/letter/editorial) | | rare-element pegmatites in the Borborema Province of Brazil Robert B. Trumbull a,⁎, Hartmut Beurlen b, Michael...Recife, Pernambuco, Brazil Instituto Federal de Educação, Ciência e Tecnologia da Paraíba (IFPB), R. Tranquilino...Coelho Lemos 671, 58100-000 Campina Grande, Paraíba, Brazil a r t i c l e i n f o Article history: Received...SIMS B-isotopes Elbaite Rare-element pegmatites Paraíba tourmaline a b s t r a c t Tourmaline chemical...pegmatite in the Borborema Pegmatite Province of NE Brazil, and also from a leucogranite considered to be |  | | Journal (issue) | | crystal, 75 mm long, from the Cruzeiro mine, Minas Gérais, Brazil. See 'The location, geology and mineralogy...mineralogy of gem tourmalines in Brazil' on pp. 263-98 ISSN: 1355-4565 262 J. G e m m , 1996, 25, 4 ...location, geology and mineralogy of gem tourmalines in Brazil Jacques P. Cassedanne, Dr. Sc. *, and Maurice Roditi...inner parts of the pegmatites, on each side of a quartz core or concentrated in pockets, which are variable...variably perthitized, albite, muscovite and milky quartz with some lepidolite, schorl and locally huge tabular |  | Juliani, Caetano, Rodrigues de Assis, Rafael, Virgínia Soares Monteiro, Lena, Marcello Dias Fernandes, Carlos, Eduardo Zimmermann da Silva Martins, José, Ricardo Costa e Costa, Jhoseph (2021) Gold in Paleoproterozoic (2.1 to 1.77 Ga) Continental Magmatic Arcs at the Tapajós and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry and Related Deposits. Minerals, 11 (7) 714 doi:10.3390/min11070714 | Journal (article/letter/editorial) | | and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry..., Carlos Marcello Dias Fernandes 2 , José Eduardo Zimmermann da Silva Martins 1 and Jhoseph Ricardo Costa...Geociências, Universidade de São Paulo-USP, Rua do Lago 562, São Paulo 05508-080, Brazil; assis.rafael@usp.br...Pará-UFPA, Rua Augusto Corrêa 1, Belém 66075-110, Brazil; cmarcello31@gmail.com (C.M.D.F.); jhosephcosta@gmail...; Marcello Dias Fernandes, C.; Eduardo Zimmermann da Silva Martins, J.; Ricardo Costa e Costa, J. Gold |  | Ludwig, T., Marschall, H. R., Pogge von Strandmann, P. A. E., Shabaga, B. M., Fayek, M., Hawthorne, F. C. (2011) A secondary ion mass spectrometry (SIMS) re-evaluation of B and Li isotopic compositions of Cu-bearing elbaite from three global localities. Mineralogical Magazine, 75 (4) 2485-2494 doi:10.1180/minmag.2011.075.4.2485 | Journal (article/letter/editorial) | | 2011] ABSTR ACT Cu-bearing elbaite from Paraı́ba (Brazil) is a highly-prized gem tourmaline. Specimens of...the Batalha pegmatite mine of the Borborema Province in the state of Paraı́ba, northeastern Brazil. These...today from three different pegmatite districts in Brazil, Mozambique and Nigeria. Prices for gem tourmaline...to distinguish ‘Paraı́ba-type’ tourmaline from Brazil and Nigeria, but the grains show T. LUDWIG ET...Compilation of SIMS calibration data. The samples Brazil 1 4, Mozambique 1 2 and Nigeria 1 2 were analysed |  | Vereshchagin, O. S., Rozhdestvenskaya, I. V., Frank-Kamenetskaya, O. V., Zolotarev, A. A., Mashkovtsev, R. I. (2013) Crystal chemistry of Cu-bearing tourmalines. American Mineralogist, 98 (8) 1610-1616 doi:10.2138/am.2013.4408 | Journal (article/letter/editorial) | | were found in 1980s in the Batalha occurrence, state of Paraíba, northern Brazil (Koivula and Kammerling...Rossing (Haughton et al. 1969); Nigeria: the Edeko mine near Ilorin in the state of Ojo (Zang et al. 2001);...fraction). A mixture consisting of powdered A12O3, a-quartz (fraction 1–2 mm), and copper oxide was used. The...the State of Paraiba, Brazil. The Paraíba tourmalines occur in northeastern Brazil in four deposits of...Elongated, up to 1 cm zone-colored crystals, Paraiba, Brazil 3 the internal parts colored blue, border = purple |  | | Journal (issue) | | deposits of the Capelinha Region, Minas Gerais, Brazil ......................................315 by A...on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom Spann photo...w w w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly...greenmountainminerals.com BA R I T E 12 X 8” Parkside Mine, Frizington Copeland, Cumbria, England, UK Photo...DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 Carlos Cornejo2 Mario Luiz de |  | | Journal (issue) | | 2018 Baselworld 2018 GemGenève 2018 Publications Brazil emeralds 32 / SSEF AT AUCTION IMPRINT Annual...FACETTE 2018 · 7 GEMMOLOGY FIELD TRIP TO PARAIBA, BRAZIL F or any gemstone connoisseur and gemmologist...of Paraiba in Brazil. Up to In conclusion, we can say that this field trip to Brazil left us highly...gemstone mining or trading. We are very grateful to the mine owners and traders who opened their doors and let...An overview of the Mulungu mine (Rio Grande del Norte), the only active mine producing Paraiba tourmalines |  | | Journal (issue) | | synthetic moissanite • Fracture fillers in ruby • Paraíba tourmaline 260 Gem News • APEC 2000 report •...Colombia • Lavender sugilite with green spots • Paraíba tourmaline update • “Winebottle” tourmaline • Magnetic...between natural jadeite, dyed jadeite and dyed quartz simulants. JewelSiam, Vol. 7, No. 2, pp. 60–65...2000 BOX A: SAPPHIRE PRODUCTION FROM THE ABFG MINE, AMBONDROMIFEHY AREA Compiled by M. Sevdermish,...of this contributor’s visit in mid-1999, the ABFG mine was a small mechanized operation located about 16 |  | | Journal (article/letter/editorial) | | such as spodumene, tourmaline, feldspar, mica, and quartz. (e.g. Teng et al. 2006; Maloney et al. 2008; Ludwig... The highest-quality blue Paraíba tourmaline from the Batalha mine, Brazil (the original discovery site)...have been successfully employed to distinguish Paraíba tourmaline from Paraíbatype tourmaline from Mozambique...lled by this technique. CONCLUSIONS AND OUTLOOK Paraíba-type Cu-bearing elbaite -5 δ11B (‰) Mozambique...SIMS Cameca IMS 3f Heidelberg 0 Nigeria -10 Brazil -15 -20 7 9 Apart from provenance certification |  | | Report (issue) | | crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993 extraLapis...Simmons, Berhard Wohrmann, Joachim Zang, and Warde da Fonseca-Zang Translated by Alexander U. Falster...Black Tourmaline? ..... 30 Joachim Zang and Warde da Fonseca-Zang The Saint Wenceslas Crown, the most...and Valuable: Cuprian Tourmaline from Paraiba, Brazil ....... 47 Brian C. Cook Discovery ♦ Technology...circa 1910 view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA. |  | | 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,...blood ruby, royal blue and cornflower sapphire, old mine/ Muzo green emerald, sunrise and sunset padparadscha...padparadscha sapphire, honey-colour chrysoberyl and Paraíba-colour tourmaline. Each includes a definition, history...(Figure 4b), spessartine (Figure 4c), almandine, quartz, zircon, apatite, topaz, sillimanite, fluorite |
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