 | 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 |  | | Catalog/List | | 59x45x38mm.ÂŁ65 6) UVTTE, Brumado, Bahia, Brazil.A rich mass of gemmy uvite crystals displaying superb... 76x40x40mm. ÂŁ199 12) UVITE with Quartz and Magnesite, Brumado, Bahia, Brazil. Rich scintillating druse...druse of golden green brown terminated uvite prisms obscuring a matrix of needle rock crystal quartz crystals...crystals and milky white silky magnesite crystals. Uvite crystals are 4-5 mmx 2-3mm. This is an exceptionally |  | | Catalog/List | | 68x35x20mm ÂŁ67 5) UVITE and Quartz, Brumado, Bahia, Brazil. Glistening smoky 2mm uvite crystals form a...Specimen size- 22x20x10mm ÂŁ198 11) HEMATITE, Brumado, Bahia, Brazil. Mirror lustrous matrix free “iron rose”...BRAZILIANITE on MUSCOVITE, Conselhiera Pena, Minas Gerais, Brazil. A leafy of silvery muscovite has a clutch of very |  | De Oliveira, Ester Figueiredo, Castañeda, Cristiane, Eeckhout, Sigrid Griet, Gilmar, Messias Menezes, Kwitko, RogĂ©rio 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 GeociĂŞncias, Universidade de BrasĂlia...3173 CEP 30140-970, BrasĂlia, 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 |  | | Report (issue) | | this good has come in recent decades only from Brazil, Afghanistan and (to a much lesser extent) Nigeria;...magnesite mines at Brumado, Bahia, Brazil have recently turned out some fine uvite specimens which display...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...past…but have you seen the late January posting of Brumado hematite specimens on Felix Garcia Garcia’s Edelweiss |  | | Catalog/List | | 2x2ÂŁ10 Cuiba district, Gouveia Minas Gerais, Brazil Kaveltorp mine, Kopparberg Sweden Benallt Mine...Morogoro Tanzania lx2 ÂŁ20 ltinga, Minas Gerais Brazil 5mm ÂŁ10 b) ÂŁ15 4mmÂŁ10 6mm ÂŁ20 Ix½ ÂŁ25 Quartz...Urucum, Galileia,Minas Gerais, Fe As OOH Lollingite Brazil Attractive aggregate of small mauve plates Haapaluoma...Galileia, Mn C/2O/4) H/20 mineral Minas Gerais,Brazil 361 MESOLITE Quite rich white fibrous with analcite...Geraldo do Baixo, Minas BePO/4OH mineral Gerais, Brazil · 110 NATIVE GOLD Several Imm gold nuggets in a |  | | Catalog/List | | IMS~ on-0 IOI n, 1 UVITE (tourmaline) in/on Quartz with Magnestlte Brumado, Bahia, Brazll. Main crystal...ÂŁ62 5 SMOKY QUARTZ, Macaco Mine, Minas Gerais, Brazil. Lovely aesthetic array intergrown crystals. A |  | Berryman, Eleanor J., Wunder, Bernd, Rhede, Dieter, Schettler, Georg, Franz, Gerhard, Heinrich, Wilhelm (2016) P–T–X controls on Ca and Na distribution between Mg–Al tourmaline and fluid. Contributions to Mineralogy and Petrology, 171 (4) doi:10.1007/s00410-016-1246-8 | Journal (article/letter/editorial) | | dravite [NaMg3Al6Si6O18(BO 3)3(OH)3(OH)], “oxy-uvite” (i.e. “Ca–Mg–O root name”) [CaMg3Al6Si6O18(BO3)3(OH)3O]...investigated experimentally. Keywords Tourmaline · Uvite · Oxy-uvite · Ca–Mg–O root name · Dravite · Tourmaline-fluid... a : 0.5 Dravite/Oxy-uvite Tur Boralsilite Al2O3 1N a Na Dravite Uvite Magnesio-foitite a CaCl2–NaCl...water. Tlc 2 Ca : 0 Na MgO CaO Tur Oxy- Uvite uvite Mg-foitite/ Tlc Al2O3 + MgO Fluid recovery...700°C 2.5 GPa 1.0 GPa 600°C 0.2 GPa 500°C uvite/ oxy-uvite Na magnesio -foitite Na dravite Na Ca/(Ca+Na)fluid |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...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;...Apatite, Bahia, Brazil, 38; Madagascar, 256; Michigan, 96; Ohio, 255 Aquamarine, Minas Gerais, Brazil, 19 |  | | Journal (issue) | | (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...2001 The Ice Dragon” Aquamarine, Minas Gerais, Brazil, 22.5 cm, Acq.,1999. I | v’ 1 . U j f!.iiL...from the old locality of Capelinha, Minas Gerais, Brazil. Yes, this material dates back a few decades now |  | | Catalog/List | | colour. 59x45x38mm.ÂŁ65 UVITE, Brumado, Bahia, Brazil.A rich mass of gemmy uvite crystals displaying superb |  | Fantini, C., Tavares, M. C., Krambrock, K., Moreira, R. L., Righi, A. (2014) Raman and infrared study of hydroxyl sites in natural uvite, fluor-uvite, magnesio-foitite, dravite and elbaite tourmalines. Physics and Chemistry of Minerals, 41 (4) 247-254 doi:10.1007/s00269-013-0642-0 | Journal (article/letter/editorial) | | infrared study of hydroxyl sites in natural uvite, fluor‑uvite, magnesio‑foitite, dravite and elbaite tourmalines...lineshapes are observed for the OH spectra in uvite, fluor-uvite, magnesio-foitite, dravite and elbaite samples...Keywords Tourmaline · Raman spectroscopy · Hydroxyl · Uvite · Dravite · Elbaite Introduction The supergroup...de Minas Gerais, Belo Horizonte, MG 31270‑901, Brazil e-mail: fantini@fisica.ufmg.br six tetrahedra...buerguerite–schorl, elbaite-species, and dravite–uvite, and proposed assignments for some of the Raman |  | | Catalog/List | | 60x45x25mm. ÂŁ375 29) UVITE TOURMALINE with MAGNESITE, Brumado, Bahia, Brazil. Very large rich moss green...tourmaline), Brazil, 6mm Square. l.2lct. Mysterious deep blue stone, ÂŁ68 55) TOURMALINE, Brazil. 6.5mm Round...73ct. Gorgious deeprose red. ÂŁ 153 56) FIRE OPAL, Brazil. 8mm Round. l.47ct. Bright orange slight haze....colour, interesting veils. ÂŁ75 58) ROSE QUARTZ, Brazil. Antique 8. 7x7.2mm. 1.57ct. A pretty pale rose |  | | 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 |  | | Journal (issue) | | of other beryllium minerals. First recorded from Brazil in 1785 (Dana, 1892; Bastos, 1969), euclase has...crystal inclusions in euclase. Photo: SM. Stocklmayer Brazil (Graziani and Guidi, 1980). The terraces have developed...euclase from Santa do Encoberto, Minas GĂ©rais, Brazil (Graziani and Guidi, 1980), black inclusions of...Bastos, F.M., 1969. Euclase from Minas Gerais, Brazil. rJ. Gemm., Cemm., 11 (8), (8),312-14 312-14 Beyer...Encoberto, American Encoberto, Minas Minas Gerais, Brazil. American Mineralogist, 183–7 Mineralogist, 65 |  | | Catalog/List | | ANATASE Cuiba di strict, Gouveia Minas Gerais. Brazil Single light bro,,11 lustrous ,double-terminated...PHENAKITE Sao Miguel de Piracicaba,Minas Gerais, Brazil Single clear to translucent crystal about 7xl0mm...â– â– HUREAULITE Jocao Mine, Galilcia, Minas Gerais Brazil 992 PLUMBOGUMMITE Dry Ghyll, Caldbcck Fells, Cumbria...lnverurie, Aberdeenshire,Scotland 405 â– UVITE Brumado, Bahia, Brazil Orange-red powder and crumbs in gelatin |  | | Journal (issue) | | Minas GĂ©rais, 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...of tourmaline include the Brumado mine (Bahia) which produces fine red uvite crystals and the Serra Branca...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 |  | | 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 |  | | Catalog/List | | Colln. 60x60x25mm. ÂŁ85 3 UVITE (Tourmaline) and MAGNESITE, Brumado, Bahla, Brazil. Reddish brown uvites |  | | Journal (article/letter/editorial) | | FIBROUS TOURMALINE, CRUZEIRO MINE, MINAS GERAIS, BRAZIL: A RECORD OF EVOLVING MAGMATIC AND HYDROTHERMAL...elbaite host from the Cruzeiro mine, Minas Gerais, Brazil, provide evidence for the compositional evolution... elbaite, fluids, Cruzeiro mine, Minas Gerais, Brazil. SOMMAIRE Des gĂ©nĂ©rations de tourmaline fibreuse...Cruzeiro mine, Governador Valadares, Minas Gerais, Brazil, in order to chemically characterize the fibrous...31/05/00, 9:46 FIBROUS TOURMALINE, CRUZEIRO MINE, BRAZIL schist is dravite with Mg/(Mg + Fe) = 0.95. Hyalophane |  | BaÄŤĂk, Peter, Ertl, Andreas, Ĺ tevko, Martin, Giester, Gerald, SeÄŤkár, Peter (2015) ACICULAR ZONED TOURMALINE (MAGNESIO-FOITITE TO FOITITE) FROM A QUARTZ VEIN NEAR TISOVEC, SLOVAKIA: THE RELATIONSHIP BETWEEN CRYSTAL CHEMISTRY AND ACICULAR HABIT. The Canadian Mineralogist, 53 (2) 221-234 doi:10.3749/canmin.1400085 | Journal (article/letter/editorial) | | from the Brumado magnesite deposit in Brazil has a range of compositions from dravite to uvite to magnesio-foitite...Crystal chemistry of uvite-dravite from the Brumado magnesite deposits, Bahia, Brazil. In Tourmaline 1997 |  | Henry, D. J., Novak, M., Hawthorne, F. C., Ertl, A., Dutrow, B. L., Uher, P., Pezzotta, F. (2011) Nomenclature of the tourmaline-supergroup minerals. American Mineralogist, 96 (5) 895-913 doi:10.2138/am.2011.3636 | Journal (article/letter/editorial) | | coupled substitution, dravite can be transformed to uvite by the substitution of Ca2+ for Na1+ at the X site...multiple-cation occupancy of the Z site as Z(MgAl5) for the uvite end-member. An end-member is an algebraic and chemical...General formula Calcic-subgroup 1 Fluor-uvite* Feruvite* Uvite* “Fluor-feruviteӠ(X) Ca2+ Ca Ca Ca Ca...tourmaline solid solution with 60% dravite-schorl, 40% uvite-feruvite and 2/1 ratio of Mg-Fe2+ at the Y site...Appleman, D., Nelen, J.A., and Norberg, J. (1977a) Uvite, a new (old) common member of the tourmaline group |  | | Catalog/List | | (Reduced from ÂŁ120). 22 UVITE & MAGNESITE (9cm x 6cm x 4cm) Brumado, Bahia, Brazil Bright red lustrous crystals...crystals of Uvite to 15mm richly covering rhombic crystals of lustrous white magnesite to 15mm. ÂŁ125...actinolite. ÂŁ95 31 XENOTIME (3cm x 1.5cm x 1cm) Plata, Bahia, Brasil A very rare example of wellcrystallised...(6cm x 5cm x 5cm) Sdo Jost da Baialha.>, Paraiba, Brazil in a milky quartz matrix The tourmaline is beautifully |  | | Journal (issue) | | from Brazil shows chatoyancy caused by flat hollow channels. Four-rayed star aquamarine from Brazil has...the c-axis. A tourmaline-quartz combination from Brazil has an iridescent chatoyancy Grey orthoclase moonstone...cat's-eye from Brazil A very unusual example of a cat's-eye was purchased in Brazil by the author in...measuring Figure 1: Chatoyant pale blue topaz from Brazil weighing 152.15 ct. Photo by J. Hyrsl. 32.94 x...described two topaz cat'seyes, one blue of 7.98 ct from Brazil and another colourless of 12.20 ct from Sri Lanka |  | | 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...beryl, 7.5 cm, from near Araçuai, Minas Gerais, Brazil. The find predates the discovery of morganite at...to get this specimen, a complete floater, for my Brazil collection); Tom Spann photo. Reference: Cassedanne |
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Brumado, Bahia, Brazil