 | | Report (volume) | | Magnesite Deposits in the Serra das Eguas, Brumado Bahia, Brazil By ALFRED J. BODENLOS GEOLOGIC INVESTIGATIONS...da Produ~ao Mineral, Ministerio da Agricultura, Brazil, under the auspices of the Interdepartmental Committee..._________________________ ___ __ 89 Geography of the Brumado area_________________________________ 91 Discovery...sections of the central Serra das Eguas, Brumado, Bahia, Brazil. · 13. Geologic map of the Pedra Preta...FIGURE 8. Index map of south-central Bahia, showing location of Brumado with reference to rail lines connecting |  | Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572 | Journal (article/letter/editorial) | | 686, CEP 36030 Governador Valadares Minaa Gerais, Brazil ALEXANDER U. FALSTER WILLIAM B. SWIMONS KAREN...deposit of Brumado (old name: Bom Jesus das Meiras) in the Serra das Eguas district, Brazil, is one of...worldwide. GWlWY The prominent basement rocks of the Brumado area are Precambrian in age and cobsist dominantly...filling. Evidently, the wealth of minerals found at Brumado is related to the intrusion of igneous dikes and...Pedra Petra, Bate-Pi and Boa Brurnado osits, hia, Brazil Volume 75, JanuaryFebruary 2OOO 33 Figure 3 |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...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...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (issue) | | Ukraine, Kazakhstan and Tajikistan Peter Lyckberg Gem Beryl and Topaz of Scherlovaya Gora, Transbaikal, Russia...(1999 to present). Pink quartz, Pitorra mine, Brazil Nomenclature of Quartz Color Variations— Pink...the origin of the pink color of the crystals from Brazil is related to a trace amount of phosphorus in the...childrenite with the pink quartz crystals from Brazil. It is proposed, based on this information, that...specimens to make it a classic. Heliodor (golden beryl) from Tajikistan is truly outstanding. There are |  | | Report (issue) | | (AOO) TIN RESOURCES OP BRAZIL by Max G. White CONTENTS Page ABSTRACT .......................................... 8 Principal producers of tin in Brazil. .......... 8 Exports, imports and consumption...and Monte Alegre de Goias deposits ...... 20 Bahia .......................... 21 Location of deposits...tin resources of Brazil ....... in back Location of tin district in central Bahia, Brazil .* . 21-a TABLES...TABLES Table 1. Localities in the State of Bahia from which tin has been reported (Marholz, 1966 and |  | | Report (issue) | | 2007 many kilograms of aquamarine and morganite beryl specimens and gem rough were collected, and in December...this good has come in recent decades only from Brazil, Afghanistan and (to a much lesser extent) Nigeria;...of the species. The magnesite mines at Brumado, Bahia, Brazil have recently turned out some fine uvite...habits and colors for that species, and other Brumado specimens showing sharp, ice-clear rhombohedral...trickle out as well. By contrast, it has seemed that Brumado hematite specimens, with brilliant black, platy |  | | 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,...turquoise vein near the village of Casa Nova, in Bahia, later flooded by the waters of the Sobradinho dam |  | | Journal (issue) | | right: Topaz, 8.4 cm, from Ouro Preto, Minas Gerais, Brazil. Lower left: Phosphophyllite, 2 cm, from the Unificada...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...2023 Figure 6. Morganite beryl, 7.5 cm, from near Araçuai, Minas Gerais, Brazil. The find predates the...to get this specimen, a complete floater, for my Brazil collection); Tom Spann photo. Reference: Cassedanne |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...specimen, Harold and Erica Van Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia...Colorado, 337, 382 Actinolite, Bahia, Brazil, 36 Agardite-(Y), Bahia, Brazil, 38 Agate, 259-67 Aikinite,...Maine, 4 12 Alexandrite, Hematitia, Minas Gerais, Brazil, 23 Almandine, Maine, 412 Alunite, Utah, 244 64...Michigan, 225 Anatase, Bahia, Brazil, 3.5 Andalusite, Michigan, 96 Anhydrite, Bahia, Brazil, 39; Colorado, 397; |  | | Catalog/List | | UVITE (tourmaline) in/on Quartz with Magnestlte Brumado, Bahia, Brazll. Main crystal 70mm. Dark olive green...£62 5 SMOKY QUARTZ, Macaco Mine, Minas Gerais, Brazil. Lovely aesthetic array intergrown crystals. A... £98 8 RED BERYL, Violet Claims, Wah Wah Mountains, Utah, USA. The very rare red beryl, main crystal |  | | Book (volume) | | Mountain, Mulla Ghori, Khyber Agency, Pakistan, 63 Beryl (see also Aquamarine, Emerald, Morganite, Heliodor)...Mursinka, Ural Mtns., Russia, 58 Hematite Brumado, Bahia, Brazil, 61 Cleator Moor, Cumberland Ore Field...Sellaite (with Fuchsite) Serra das Éguas, Brumado, Bahia, Brazil, 24 Shattuckite (with Malachite) Omaue...Pederneira Claim, São José da Safira, Minas Gerais, Brazil, 35 (on Quartz) Tourmaline Queen Mine, San Diego |  | | 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... Gemstone deposits are of great importance in Brazil. Agate, amethyst, tourmaline, and topaz represent |  | | Journal (issue) | | Llallagua Brazil Brazil Brazil Brazil Brazil Brazil Brazil Brazil Brumado, Bahia Brumado Magnesite Deposits...das Eguas, Bahia Piraja Mine, Brumado, Bahia Praca Sao Paulo prospect, near Brumado, Bahia Cristalina...20)2(Na,[] )i. hexagon al, space group P6/mcc, beryl group, light blue. transparent, vitreous, white...prismatic crystals to 0.5 mm, Fe dominant member of beryl gro up. from Capranica (Viterbo), Latium, Italy...[Be6St12O36NH2O)i(Na,[])2 a new mineral of the beryl group from Latium (Italy): Am. Min. 85: 1845 . |  | | Journal (article/letter/editorial) | | most glamorous of the beryllium minerals after beryl and chrysoberyl. Exceptional euclase specimens appeared...René Just Haüy in 1792 using crystals brought from Brazil in 1785. Dana (1892) gives the locality as the...gold”), Figure 2. Euclase, 2.4 cm tall, Ouro Preto, Brazil. Luiz Menezes specimen, Jeff Scovil photo. 544 ...crystals have been reported from Brumado and Vitória da Conquista in Bahia and Cachoeiro do Itapemirim in...relatively large euclase pseudomorphs (casts) after beryl were found in the Mwami area. Gem euclase was also |  | | Book (volume) | | Co., South Dakota, 16 Beryl (see also Aquamarine, Emerald, Morganite) (Red Beryl) Harris Claim, Wah Wah...Prov., Madagascar, 51 (with Magnesite) Brumado, Bahia, Brazil, 22 Cavradi Gorge, St. Gotthard Region...Tourmaline) Xanda Mine, Virgem Da Lapa, Minas Gerais, Brazil, 23 Ilvaite (on Calcite) Huanggang Mine, Keshiketeng...Rhodonite Morro da Mina, Belo Horizonte, Minas Gerais, Brazil, 48 Scapolite Uluguru Mts., Morogoro Region, Tanzania...Diamantina, Jequitinhonha Valley, Minas Gerais, Brazil, 60 Spessartine Garnet (on Smoky Quartz) Tongbei |  | | Journal (issue) | | the Espirito Santo Pegmatite District, Eastern Brazil.. ......697 by M. L. Chaves, A. Bartorelli & C...sixling twin, 6.3 cm, from ItaguaÇu, Espirito Santo, Brazil. William Larson collection, ex Edward Gübelin,...work at the Magnesita S.A. mining company at Brumado, Bahia. This company, headquartered in Belo Horizonte...Serra das Éguas deposits in the municipality of Brumado, providing the raw material for making refractory...recalled by Wendell Wilson in Mineral Collections of Brazil (Cornejo and Bartorelli, 2020): The second issue |  | | Journal (article/letter/editorial) | | may be associated with topaz, garnet, bixbyite, beryl, and pseudobrookite. Some of the finest hematite...the Royal Ontario Museum measures 17 x 17 x 9 cm. Brazil continues to be the source of fine hematite specimens...almost 20 cm at Sao Juliao, Our0 Preto; Itibiara, Bahia, in roselike aggregates and as plates serving as...and Congonhas do Campo, Minas Gerais; the Brumado mine, Bahia, well known for its uvites and magnesite...pseudocubic hematite crystals to 2 cm; the Boquira mine, Bahia; and Lago do Netto, near Our0 Preto. Historically |  | | Journal (article/letter/editorial) | | comparison, 1 kyanite from a magnesite deposit in Bahia and 4 from high-metamorphic-grade areas in Minas...the central part of the State of Minas Gerais, Brazil, where it is the only AtzSiOspolymorph found in...de Tecnologia Industrial. Belo Horizonte, M. G., Brazil 1293 KT.ANITE GEOCHEMISTRY Tnll-n 1-(continued)...isograd coll by C. H. Maxwell Piraj6, Brumado district, Bahia pale blue, to 3 cm uz Associatedwith...Fills open fissures; grown on qz crystals with beryl, tourmaline, topaz coll. by R. M Wallace (Bodenlos |  | | Journal (issue) | | Minas Gérais, Brazil. See 'The location, geology and mineralogy of gem tourmalines in Brazil' on pp. 263-98...location, geology and mineralogy of gem tourmalines in Brazil Jacques P. Cassedanne, Dr. Sc. *, and Maurice Roditi...Non-pegmatitic deposits of tourmaline include the Brumado mine (Bahia) which produces fine red uvite crystals and...Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological Association and Gem Testing Laboratory...the most remarkable coloured gemstones mined in Brazil where, erroneously, for a long time it was marketed |  | De Oliveira, Ester Figueiredo, Castañeda, Cristiane, Eeckhout, Sigrid Griet, Gilmar, Messias Menezes, Kwitko, Rogério Ribeiro, De Grave, Eddy, Botelho, Nilson Francisquini (2002) Infrared and Mössbauer study of Brazilian tourmalines from different geological environments. American Mineralogist, 87 (8) 1154-1163 doi:10.2138/am-2002-8-914 | Journal (article/letter/editorial) | | 941 CEP 30123-970, Belo Horizonte, Minas Gerais, Brazil 2 Instituto de Geociências, Universidade de Brasília...3173 CEP 30140-970, Brasília, Distrito Federal, Brazil 3 Department of Subatomic and Radiation Physics...Preto, CEP 35400-000 Ouro Preto, Minas Gerais, Brazil 5 Companhia Vale do Rio Doce, CVRD, BR 262-Km 296...Box 09 CEP 33010-970, Santa Luzia, Minas Gerais, Brazil ABSTRACT Infrared (IR) spectra in the OH stretching...hydrothermal deposits in the state of Minas Gerais, Brazil. In the magmatic environment, samples of tourmaline |  | | Journal (issue) | | Minerals McCullough Fossils Menezes, Luiz, Minerals - Brazil Midwest Minerals Mineral Exploration Services Mineral...S. JEM, Inc. Usman Imports Valadares Minerals - Brazil West Coast M ining Wolfe, Tom, Minerals Wright's...Show on Saturday, February 12, 2000. Minerals o f Brazil were the feature of the 2000 Tucson Show and were...were the subject of the 2000 mineral symposium. Brazil is the fifth largest country in the world and the...area. Perhaps it should not be surprising that Brazil has yielded consid erable mineralogical wealth |  | | Book | | Crystals often have pyramidal or rectangular end (beryl, apatite). —Rhombohedral: primitive parallelepiped...Minerals from pegma tites or metamorphic Rocks Beryl Topaz Tourmaline Feldspars Rutile Corundum-Ruby...Axinite 44 Autunite 116 Barite 52 Becquerelite 112 Beryl 22 Billietite 112 Brazilianite 42 Brochantite 98...elements, such as tourmaline (borium and lithium), beryl, herderite (with beryllium), kunzite, amblygonite...be found anywhere. 1 - Beryl/Aquamarine (Teofilo-Otoni, Minas Gerais, Brazil): 12 cm. 2 - Muscovite (Minas |  | | Journal (issue) | | ........157 by C. Albertini Sellaite from the Brumado mine ............................................localities as the Morro Velho gold mine, Minas Gerais, Brazil (Lucio and Gaines, 1973) or the Strathcona mine... Photo by the author. gold mine, Minas Gerais, Brazil, and the Strathcona mine, Sud bury, Ontario (Anderson...same habit as those from Chibougamau, those from Brazil are highly elongated. The sizes of the Brazilian...(1973) The minerals of the Morro Velho gold mine, Brazil. Mineralogical Record, 4, 224-229. STOCKWELL, C | | | Book | | Crystals often have pyramidal or rectangular end (beryl, apatite). —Rhombohedral: primitive parallelepiped...Garnets Barite ee ees, fees Becquerelite ....... Beryl jean ene te = Billictite tau. Brazilianite Brochantite...elements, such as tourmaline (borium and lithium), beryl, herderite (with beryllium), kunzite, amblygonite...anywhere. 1 — Beryl/Aquamarine (Teofilo-Otoni, Minas Gerais, 2 — Muscovite (Minas Gerais, Brazil): 30 cm.... 20 Brazil): 12 cm. Beryl This mineral is composed of beryllium aluminum silicate, in long hexagonal |  | | Report (issue) | | Beryl and Its Color Varieties Page 4 Mineralogy of Beryl and the Beryl Group William "Skip" Simmons...Peak of Colorado Beryl Collecting Mark I. Jacobson Page 14 Crystal Structure of Beryl and Pezzottaite...England Gem Beryl Bruce Jarnot Page 16 Bazzite of the Alps Stefan Weiss Page 32 Beryl from the Pegmatites...Page 22 Beryl Color Varieties William "Skip" Simmons and Alexander Falster Page 49 Gem Beryl from Russia...Breithaupt's Beryl Seal Mineralogist Friedrich August Breithaupt had his seal carved into a beryl crystal |
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Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil