 | | Journal (article/letter/editorial) | | ©Springer-Verlag 1990 Origin of emerald deposits of Brazil G. Giuliani 1. 2 , L. J. H. D. Silva 3 and P. Couto...Couto 4 1 2 3 4 ORSTOM, Universidade de Brasilia, Brazil c.R.P.G., 15 Rue N.D. des Pauvres, BP 20, 54501...Metais Ltda, Bahia, Brazil Secretaria das Minas e Energia, C.P.R.M./SGM, Bahia, Brazil Abstract. Precambrian...Precambrian emerald deposits of Brazil are found in a typical geologic setting with Archean basement and supracrustal... Gemstone deposits are of great importance in Brazil. Agate, amethyst, tourmaline, and topaz represent |  | Lynch, E. P., Costanzo, A., Feely, M., Blamey, N. J. F., Pironon, J., Lavin, P. (2014) The Piteiras emerald mine, Minas Gerais, Brazil: fluid-inclusion and gemmological perspectives. Mineralogical Magazine, 78 (7) 1571-1587 doi:10.1180/minmag.2014.078.7.04 | Journal (article/letter/editorial) | | pp. 1571–1587 The Piteiras emerald mine, Minas Gerais, Brazil: fluid-inclusion and gemmological perspectives...gemquality faceted emeralds from the Piteiras Mine, Minas Gerais, Brazil. These data complement those of Rondeau... schist-hosted emeralds. K EY WORDS : Emerald, Brazil, gemmology, fluid inclusions, microthermometry,...~10 20% of world emerald production, which ranks Brazil second after Colombia (Schwarz and Giuliani, 2002;...emeralds in Brazil was made in 1912 in Goiás (Just, 1926). In 1920, the first discovery in Minas Gerais was made |  | | Report (issue) | | and trapiche emerald Rupert Hochleitner Brazil: Minas Gerais, Bahia, Ceara, Goias and Tocantins . . ...Asia: Pakistan, Afghanistan and India .......6 0 Old Mine Emeralds . . . . . . . . . . . . . . . . . . . ...Maharajahs and Maharanis held large emeralds (see "Old Mine Emeralds" page 62). The Color of Islam Emerald...quality. It was the gift of Emperor Dom Pedro I of Brazil to the 6 th Duke of Devon- shire. Also housed...some of the most productive emerald localities in Brazil, for example, more than 77 percent of the emerald |  | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | sub-types hosted in: (IA) Mafic-ultramafic rocks (Brazil, Zambia, Russia, and others); (IB) Sedimentary...sub-types hosted in: (IIA) Mafic-ultramafic rocks (Brazil, Austria); (IIB) Sedimentary rocks-black shale...ct. Insufu rough emerald extracted from the Kagem mine in 2015. Lastly, on the 2th of October, the remarkable...(“the lion elephant”) was extracted from the same mine [3]. Other giant crystals have been discovered in...emerald crystals was discovered in the Carnaíba mine, Brazil; the specimen weighed 341 kg with 1.7 million |  | | Journal (issue) | | setting Gem sapphirine is being recovered from a mine about Sapphirine is derived and obtained from rocks...Sri Lanka the gem sapphirine comes from a carats. mine located near the 9th milepost along the Abstract...Preto, Minas Gerais, Brazil **University of Mainz, West Germany ***CPRM, Salvador, Bahia, Brazil 1. Introduction...occurrences in Brazil. Fig. 1. Ceara Cearâ CE-ll Tami CE-llTauâ Minas Gerais Minas MG-l MG-1 Mina Belmont (Itabira)...in Carnaiba. With the exception of the Belmont Mine in Itabira/MG, the mining methods in the Socotö area |  | | Catalog/List | | MARCH/APRIL 2008 1) AGARDITE. Penberthy Crofts Mine, St Hilary, Cornwall. Ironstained quartz/gossan...and CASSITERITE. Golconda Mine, Governador Valadares, Minas Gerais, Brazil. A small piece of white albite...(Collected June 1981). 50x15x30mm. £35. 5) BERYL. Brazil. A very nice pale sea green mainly transparent...£125. 7) CASSITERITE. Great Flat Lode, Dolcoath Mine, Cambome, Cornwall. Rich heavy chloritic veinstone...50x30x12mm. £15. 8) CASSITERITE and TOPAZ. Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Germany. The top | | | Catalog/List | | MARCH/APRIL 2008 1) AGARDITE. Penberthy Crofts Mine, St Hilary, Cornwall. Ironstained quartz/gossan...and CASSITERITE. Golconda Mine, Governador Valadares, Minas Gerais, Brazil. A small piece of white albite...(Collected June 1981). 50x15x30mm. £35. 5) BERYL. Brazil. A very nice pale sea green mainly transparent...£125. 7) CASSITERITE. Great Flat Lode, Dolcoath Mine, Camborne, Cornwall. Rich heavy chloritic veinstone...1 2 m m . £15. 8) CASSITERITE and TOPAZ. Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Germany. The top |  | | 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...NATIONAL MUSEUM IN SOFIA 66 OTHER COLLECTIONS OF MINE IN BULGARIA 71 COLLECTIONS IN OTHER CITIES AROUND |  | | Journal (issue) | | Decade of Change A New Era for the Historic Coscuez Mine Esmeraldas Santa Rosa: Our Wealth is Green Rediscovery...Gemological Description of Ethiopian Emeralds Belmont Emeralds – Uncompromisingly Green Overview of Brazil’s...More Exquisite Emeralds Magnificent Old Mine Emeralds 143 Mine Visit A Visit to Colombia’s “Green” Emerald...Origins and Appellation President Clement Sabbagh, Brazil Vice Presidents Damien Cody, Australia Nirmal Kumar...Kumar Bardiya, India Treasurer Marcelo Ribeiro, Brazil Secretaries Bruce Bridges, USA Santpal Sinchawla |  | | Journal (issue) | | Centre, Federal University of Ouro Preto, Minas Gerais, Brazil **University of Mainz, FRG 1. Introduction...been the most important emerald mining region in Brazil until the discovery of the Santa Terezinha occurrence...as single crystals. Associated minerals are molybdenite, quartz, apatite, schorl, alexandrite, pyrite...of emerald and alexandrite. The appearance of molybdenite and scheelite gives a rough idea concerning the...PTconditions during the metasomatic reactions. Molybdenite and scheelite are typical formations of the final |  | | 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) | | 0026-4628 ‘Continued on p. 247 Articles The Outlaw mine, Nye County, Nevada ..............................crandallite from the Alto Benedeto pegmatite, Paraiba, Brazil ................................... 183 by J. P...Valley Road Watsonville, California 95076 The Outlaw mine has long been known as an occurrence o f rare and...benjaminite, fo r which it is the type locality. The mine has been idle fo r more than 60 years, and because...More than 30 minerals have been identified from the mine and studies continue on the sulfosalt mineralogy |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Catalog/List | | ...... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals on gossen with minor...silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and coatings on monzonite .....Derby mine White xlline lamellar mass with minor lepidolite . Virginia Amelia, Rutherford mine !r2 Lustrous...Lead telluride Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite ............AMBLYGONITE Sodium lithium aluminum phosphate Brazil Minas Gerais, Governador Valaderas Single pale yellow |  | | Journal (article/letter/editorial) | | biotite. Emerald, scheelite, apatite, stilbite, molybdenite, pyrite, fluorite and calcite commonly occur in...contemporaneous with emerald whereas stilbite, molybdenite, pyrite, fluorite and calcite are later minerals...Cheilletz et al., 1994; Ottaway et al., 1994); Brazil Carnaı́ba and Socotó, Capoeirana, Porangatu, Santa...Santa Terezinha (Giuliani et al., 1997) and Itabira (Hänni et al., 1987); Spain Franqueira (Fuertes-Fuente...Fischer, M. (1987) The emeralds of the Belmont Mine, Minas Gerais, Brazil. Journal of Gemmology, 20, 446 456 |  | Giuliani, G., France-Lanord, C., Zimmermann, J. L., Cheilletz, A., Arboleda, C., Charoy, B., Coget, P., Fontan, F., Giard, D. (1997) Fluid Composition, δD of Channel H2O, and δ18O of Lattice Oxygen in Beryls: Genetic Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits. International Geology Review, 39 (5) 400-424 doi:10.1080/00206819709465280 | Journal (article/letter/editorial) | | granitic pegmatites and greisens and emerald from Brazil, Colombia, a n d Afghanistan. An i m p o r t a...contrasting and restricted ranges of δ18O values. In Brazil, emeralds related to pegmatites have a systematic...composition of the hydrother mal fluid. Relative to Brazil, the δ18O of Colombian and Afghanistani emeralds...18O-rich sedimentary or metasedimentary rocks. In Brazil, the δD composition of channels in emerald and...1992) and emerald from the Porangatu deposit in Brazil (Fallick and Barros, 1987) and the Swat deposit |  | | Catalog/List | | ----·-·- ---- ·- -- 1129 ALMANDINE Brastad iron Mine near Arendal ,Norway 87 ■ BERYL Evje area . South...---·-··----·------ ·- - ---27 ANTHOPHYLLITE Kaveltorp Mine Sweden 1008 CHRYSOBERYL Kolsva. Vastmanland Sweden...--~----· ·---·-------- -- -62 COBAL TITE Bolidcn Mine, North Sweden 1003 ARSENIOPLEITE Sjogruvan,Ridd...2x3 £25 Ampibole 1140 ERYTHRITE Sl-a1tterud Cobalt Mine. Vikersund Norway 970 MAGNESIOHASTINGSITE Langban...________ __ _!LU9! .~~~ -E N1 163 GALENA Smallcleugh Mine, Nenthcad. Cumbria Cube-octahedral grey crystals |  | | Journal (issue) | | 1987 Gemstone Durability: Design to Display Wessels Mine Sugitite Three Notable Fancy-Color Diamonds The...Southern Africa Sunstone Labradorite from the Ponderosa Mine, Oregon Nontraditional Gemstone Cutting Nontransparent...Gemstone Irradiation and Radioactivity Amethyst from Brazil Opal from Opal Butte, Oregon Kyocera's Synthetic...Emerald Deposit Beryl Gem Nodules from the Bananal Mine "Opalite:" Plastic Imitation Opal Spring 1993 Queensland...Polynesian Black Pearls The Capoeirana Emerald Deposit Brazil-Twinned Synthetic Quartz Thermal Alteration of |  | | | | surrounded ce ne white calcite, from!iheBluebell Mine; Riondel, Digitized by the Internet Archive...pentlandite, stibnite, cobaltite, arsenopyrite, molybdenite, galena are included here. Oxides: Minerals with...hematite has a red-brown streak, while steel-grey molybdenite has a grey streak. Lustre: Surface Reflection...62 | galena (silver grey, dull lead), p. 56 | molybdenite (lead grey with platinum (silver-white), p....(41795): Massive native gold in quartz. Mcintyre Mine, Timmins, Tisdale Tp., Cochrane Dende TOntaae |  | | Catalog/List | | Scotland ANATASE Cuiba district, Gouveia Minas Gerais. Brazil 28 Quite rich black mass, mostly as veins...lx2 £2 lxl£3 2x2£12 lx2£5 lxl £1 ----· Hawkswood Mine, Cornwall ANDALUSITE Cabracao, Minl10, Portugal...Andalucia Spain. Type Location New East Whcal Russell mine, Devon ,England 140 grey bleby small botryoidal..._lx2_ _80 _ _____ _,o 1129 ALMANDINE Braslad iron Mine near Arendal ,Norway Unknown location I 1 63 □a...lxl£2 2x3£6 3x4£8 feldspar ALSTONITE Fallowfield Mine, Northumberland ANDRADITE Grua. Oppland Norway 5 |  | | Report (issue) | | 1. 2. 3. 4. 5. A sbestos ore Lead ore, Balmat mine, N . Y. Chromite-chromium ore, Washington Zinc ore...not yet discovered or not presently profitable to mine. The mining of mineral deposits, once discovered...Wulfenite was an ore mineral at the St. Anthony mine, Arizona (Creasey, 1950), and in some deposits in...where the sulfide, molybdenite, is most common. With perhaps a few exceptions, molybdenite is not reported...minerals. On the other hand, in deposits where molybdenite is a primary mineral, the common oxidized molybdenum |  | | Report (issue) | | crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...from some pegmatites. This specimen, from Minas Gerais, Brazil, is housed in the Deutsches Edelstein Museum...crystals are found in soils and stream gravels in Brazil. On the other hand, at high temperatures and pressures...surprise. In 1997, Gary and Mary Freeman began to mine the Orchard pit, a then insignificant pegmatite...(Laurs et al. 2003). A second location in the Deva mine, Paroon Valley, Kunar, Nuristan, Afghanistan has |  | | Journal (issue) | | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...custom jewelry. Wulfenite, 5.4 cm, from the Defiance mine near Gleeson, Cochise County, Arizona. Ken Donn...photo. Wulfenite (hot-pink), 3.7 cm, from the Glove mine, Tyndall district, Santa Cruz County, Arizona. Collected...pseudomorph after azurite, 4 cm, from the Inspiration mine, Globe-Miami district, Gila County, Arizona. Ken...Cerussite twins on matrix, 6.5 cm, from the Grand Reef mine, Aravaipa district, Graham County, Arizona. Ken |  | | Journal (issue) | | COVELLITE crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection;...the Butte mining camp, especially in the Kelley mine, was just full of vug holes . . . the holes, some...located in Butte, at the site of the old Orphan Girl mine. . . . So wrote a trainee miner, Jerry Dolph, concerning...an underground stope at Butte, Montana’s Kelley mine in the early 1970’s (Dolph, 1994). The wonderful...crystallized species, unusual associations, or individual mine localities. Similarly, the popular journals are |  | | Journal (issue) | | Nineteen, Number Three Articles The Tonopah-Belmont mine, Maricopa County, A rizona by G. B. Allen &...........221 COVER: ANGLESITE from the Touissit mine, Morocco. The large crystal measures 4.5 cm. This...Chichibu mine” (by Kuniaki Kato and Hidemichi Hori), “ Collecting report: Hikagezawa gold mine, Shizuoka...Andover Avenue Sun City, Arizona 85351 he Tonopah-Belmont mine is a micromounter’s paradise. An un common...sulfates, molybdates and chromates can be found at the mine. The abundance of species makes it an ideal introduction |
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