 | | 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...corundum from Wyoming • Green kyanite from Bahia, Brazil • “Ruby Rock” cabochons • Tourmaline from Warner...More recently, Brendan has visited Madagascar and Brazil to obtain first-hand knowledge of important gem...offers a medley of gemological topics: “Paraíba” tourmaline from Brazil, spessartine garnet from California |  | | 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) | | top-quality “neon” blue-to-green, copper-bearing tourmaline, the Paraíba-type, is one of the highest-priced...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...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...Luc Len district, Vietnam (samples from [33]). Copper-bearing tourmalines (fluor-elbaite, elbaite) from |  | | Journal (issue) | | Articles Cuprian elbaite from the Batalha mine, Paraíba, Brazil . . . . . . . . . . . . . . . . . ....corrosion surfaces, from the Medra mine, Minas Gerais, Brazil. Keith Proctor collection; Jeff Scovil photo. Visit...March–April, 2002 Cuprian Elbaite from the Batalha Mine, Paraíba, Brazil Wendell E. Wilson The Mineralogical...Arizona 85750 Copper-bearing “Paraíba tourmaline,” a geochemical oddity, was discovered in Brazil in 1988....the discovery of the Batalha occurrence in the state of Paraíba, northeastern Brazil, however, none were |  | | 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) | | 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...Republic of Congo (formerly Zaire), a country rich in copper, cobalt, uranium and other coveted metals. The...Association 10 Issue 39 ׀InColor 33 InGems Paraíba Tourmaline Revisited By Claudio Milisenda, DSEF |  | | 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...Acadêmico Hélio Ramos, 54740-530, Recife, Pernambuco, Brazil E-mail: beurlen@ufpe.br E LEMENTS , V OL . 8,...right from the upper left, pink morganite beryl (Brazil, 100.99 ct, 35.96 × 25.69 mm), blue topaz (Zimbabwe...red-violet elbaite tourmaline (Brazil, 16.87 ct), blue aquamarine beryl (Brazil, 17.96 ct), orange spessartine |  | | Journal (article/letter/editorial) | | greenish blue elbaite from Alto dos Quntos mine, Brazil Kazumasa SUGIYAMA*, Hiroshi ARIMA*, Hayato KONNO*...a greenish–blue elbaite from Alto dos Quintos, Brazil, was studied by using X–ray absorption fine structure...in 1988 from the state of Paraiba, northeastern Brazil (Koivula and Kammerling, 1989a, 1989b; Fritsch...from Alto dos Quntos mine, Rio Grande do Norte, Brazil, inferred by the combinatorial analysis of single...blue–green elbaite from the Batalha, the state of Paraiba, similar copper–bearing elbaites were found |  | 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 (issue) | | 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)...Leonardo Silva Souto (Gems in Gems, Teófilo Otoni, Brazil) had approximately 50 cabochons weighing up to...as the spectra of tantalite-(Mn) from north-east Brazil, which contained supplementary bands at 621, 547...the Borborema pegmatite province, northeastern Brazil: Conditions of formation and melt and fluid-inclusion |  | Ertl, Andreas, Giester, Gerald, Schüssler, Ulrich, Brätz, Helene, Okrusch, Martin, Tillmanns, Ekkehart, Bank, Hermann (2013) Cu- and Mn-bearing tourmalines from Brazil and Mozambique: crystal structures, chemistry and correlations. Mineralogy and Petrology, 107 (2) 265-279 doi:10.1007/s00710-012-0234-6 | Journal (article/letter/editorial) | | ORIGINAL PAPER Cu- and Mn-bearing tourmalines from Brazil and Mozambique: crystal structures, chemistry and...com Abstract Cu- and Mn-bearing tourmalines from Brazil and Mozambique were characterised chemically (EMPA...structure of Cu-bearing tourmalines from Paraiba, Brazil, was described for the first time by A. Ertl...structure and the chemistry of tourmalines from Brazil and Mozambique, which contain up to 1.78 wt% CuO...Milisenda et al. 2006). Under the designation “Brazil”, we investigated 9 samples chemically (Fig. 1) |  | | 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. ...Myanmar • Gem-quality massive pink muscovite from Brazil • Pyrope-spessartine from Tanzania • Transparent...in the late 1980s, copper-bearing “electric” blue elbaite from Paraíba State, Brazil, has been one of the |  | | 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...Geological Congress, August 6–17, Rio de Janeiro, Brazil. Smith C.P., Kammerling R.C., Keller A.S., Peretti... GEMS & GEMOLOGY Fall 2000 243 turquoise (Brazil and Chile), based solely on their known geologic...Cody (1990, 1991a) for amethyst (Brazil and Guyana), nephrite (Brazil, Guyana, and Venezuela), serpentine |  | | 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...simple artisanal mining incredibly vivid coloured copper-and manganese bearing elbaite in small-scale mines...of Paraiba in Brazil. Up to In conclusion, we can say that this field trip to Brazil left us highly...Barbosa near the village of São José da Batalha in Paraíba State, northeastern Brazil - immediately created |  | | 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,...padparadscha sapphire, honey-colour chrysoberyl and Paraíba-colour tourmaline. Each includes a definition,...Ku Nam Nam Pai Stream 692 m Strea Aung Nam n Da Pa ream St 23°00' Nam Strea Mit m 96°45' Road...Mozambique is famous for producing Cu-bearing (Paraíba-type) tourmaline in a variety of colours (e.g. |  | | Journal (issue) | | mines, The government of Africa’s secondbiggest copper producer set the royalty “It does not address...“This is the first time that a piece of Mexico and Brazil. Fire opals get their A meteorite from Mars which...in ‘Illegal Tourmaline Mining’ Probe Police in Brazil are carrying out an An Afghan businessman Zaheer...collected information and the inhabitants of São José da Batalha around $15 million was seized following...following revealed in detail the whole system and Salgadinho with social progress, a six-year operation. adopted |  | | Journal (issue) | | spinel, (9) 4.82 ct purple sapphire, (10) 5.32 ct Paraíba tourmaline, (11) 2.16 ct demantoid, (12) 1.05 ct...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...reserves and reduced demand. Emerald production in Brazil has since continued to decline. Several sources |  | | Journal (issue) | | COMMUNICATIONS ________ 236 Copper-bearing Tourmalines from New Deposits in Paraíba State, Brazil Masashi Furuya...axinite from Pakistan • Multicolored fluorite from Brazil • Cr/V-bearing kyanite from Madagascar and elsewhere...possible diamond inclusion in quartz from Diamantina, Brazil • An unusual type of phenomenal quartz • A new...blue spinel • Dyed greenish blue chalcedony from Brazil • Conference reports 276 2007 Challenge Winners...of the monomer is pro- LETTERS prietary, but copper sulfate is sometimes added to intensify the color |  | | Journal (issue) | | ______________ 112 pg. 81 Spectral Differentiation Between Copper and Iron Colorants in Gem Tourmalines Paul B. Merkel...Merkel and Christopher M. Breeding Assesses copper or iron as the source of the greenish blue color component...spectroscopy. 120 Gem-Quality Andalusite from Brazil Shyamala Fernandes and Gagan Choudhary Documents...Citrine from Madagascar • “Sugarcane Emerald” from Brazil • Orange kyanite from Tanzania • Rare optical phenomenon...“Gemstones and the Spectroscope” series. Minas Gerais, Brazil, supplied most of the world’s market In the 1940s |  | | Journal (issue) | | Louderback (1909, p. 333), “While out to examine some copper deposits they happened upon the benitoite deposit...group minerals, apatite, albite, jonesite, and the copper sulfides djurleite, digenite, and covellite (Wise...buffers, it is likely that this metallic phase is copper. Other crystals in these aggregates were transparent...and other synthetic sapphires. 3. The crystalline copper inclusions and flakelike aggregates seen in the...distinctive internal features (swirl-like patterns and copper inclusions), visible-range and infrared spectra |  | | Journal (issue) | | geology, and notable localities of diamond mining in Brazil, and outlines plans for future diamond production...Tourmaline Yusuke Katsurada and Ziyin Sun Identifies 13 copper-bearing tourmalines, which have traditionally been...• Titaniumdiffused synthetic sapphire • Coated Paraíba tourmaline • Rubellite with strong “pink sleeves”...challenging. Most researchers assume the bulk of copper-bearing tourmaline on the market today is elbaite...Katsurada and Ziyin Sun report on the chemistry of copper-bearing liddicoatite tourmaline submitted to GIA’s |  | | Catalog/List | | minerals, and is found in greatest abundance in Brazil. The specimens from Uruguay, however, tend to be...CRYSTAL Pederneira Mine, São José da Safira, Doce Valley, Minas Gerais, Brazil The gem mineral: Tourmaline...AZURITE “SUN” Malbunka Copper Mine (Namatjira’s Copper Prospect; Areyonga Copper Deposit), Areyonga, Alice...unique feature is a small outcrop of the deep blue copper mineral: Azurite – that resembles nothing so much...southwestern Africa, there are a series of small Copper deposits that are worked the old fashioned way: |  | | Journal (issue) | | 655 648 Geographic Origin Determination of Paraíba Tourmaline Yusuke Katsurada, Ziyin Sun, Christopher...Breeding, and Barbara L. Dutrow Copper-bearing gem tourmaline, known as Paraíba tourmaline after the location...quantitative chemical analyses to distinguish samples from Brazil, Nigeria, and Mozambique. 660 Geographic Origin...accounts for about 70% of worldwide production (Brazil, Zambia, Russia, and others). It is characterized...such as at the Santa Terezinha de Goiás deposit in Brazil. The subtype Type IIB is showcased by the Colombian |
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