 | Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594 | Journal (article/letter/editorial) | | 2011 Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld...562, 05508-080 SĂŁo Paulo, SP, Brazil 2 Rua Murici 62, Campinas, SP, Brazil 3 Department of Earth and Ocean...CearĂĄ, Caixa Postal 6030, 60455-900 Fortaleza, CE, Brazil 5 Departamento de FĂsica e InformĂĄtica, Instituto...Carlos, SP, Brazil 1 aBStRact A new occurrence of rankamaite is here described at the Urubu pegmatite...pegmatite, Itinga municipality, Minas Gerais, Brazil. The mineral forms cream-white botryoidal aggregates of acicular |  | 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) | | C.D.T.N. CP 941 CEP 30123-970, Belo Horizonte, Minas Gerais, Brazil 2 Instituto de GeociĂȘncias, Universidade...3173 CEP 30140-970, BrasĂlia, Distrito Federal, Brazil 3 Department of Subatomic and Radiation Physics...de Ouro Preto, CEP 35400-000 Ouro Preto, Minas Gerais, Brazil 5 Companhia Vale do Rio Doce, CVRD, BR 262-Km...P.O. Box 09 CEP 33010-970, Santa Luzia, Minas Gerais, Brazil ABSTRACT Infrared (IR) spectra in the OH...and hydrothermal deposits in the state of Minas Gerais, Brazil. In the magmatic environment, samples of |  | | Journal (article/letter/editorial) | | The EBPP is situated mainly in the State of Minas Gerais, but encompasses also parts of the States of...Universidade Federal de Minas Gerais, Av. AntoĂnio Carlos 6277, 31 000 Belo Horizonte MG, Brazil the context of...Argentina, (2) the north-eastern or Borborema in Brazil, and (3) the Eastern Brazilian. A description of...pegmatites of the north-eastern Pegmatite Province of Brazil and their geochemistry have been studied by Beurlen...Province (EBPP) is situated mainly in the State of Minas Gerais but also encompasses the southern part of the |  | | Journal (article/letter/editorial) | | Mineralogist Vol. 40, pp. 753-788 (2002) TOURMALINE IN PETALITE-SUBTYPE GRANITIC PEGMATITES: EVIDENCE OF FRACTIONATION...Manitoba R3T 2N2, Canada ABSTRACT Tourmaline in petalite-subtype granitic pegmatites from the Pakeagama...vein. Keywords: tourmaline, granitic pegmatite, petalite subtype, host-rock interaction, Pakeagama Lake...tourmaline in the Tanco (Manitoba) pegmatite, a petalite-subtype pegmatite, and shown it to vary from foititeâschorl...in petalite-subtype pegmatites is restricted to brief descriptions of the Urubu pegmatite, Minas Gerais |  | | Journal (issue) | | ......... 67 by J. P. and J. O. Cassedanne The Urubu pegmatite and vicinity........................................... 93 by A. Falster The Rock Candy mine, British Columbia ................................COVER: ELBAITE on albite, from the Jonas mine, Minas Gerais, Brazil. Keith Proctor specimen; photo by Harold...Rio de Janeiro, Brazil INTRODUCTION Recently, a small pegmatite body in Minas Gerais has produced magnificent...are new to Brazil and very good specimens are still recoverable from the dumps or in the mine work ings |  | | Book | | BARTORELLI ::âą . . .. 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) | | Front cover: Sulfur on Aragonite, 25 cm Cozzodisi mine, Casteltermini, Agrigento, Sicily, Italy. Adalberto...place in the Sardinian mines and the Traversella mine (Piedmont). The second edition of the Catalogue...chalcopyrite and various rare sulfosalts from the Bottino mine in Tuscany. MINERAL COLLECTING FROM THE POST-WAR...exploring the underground workings of an historic gold mine in the Brusson area, Val d' Ayas, western Alps....momentum came from my first visit to the Jeffrey mine in Asbestos, Quebec in 1997. I was fascinated by |  | | Journal (article/letter/editorial) | | 659 37 Brno, Czech Republic ABSTRACT The zoned petalite-subtype Tanco granitic pegmatite, located about...zone (60); it is pink and rarely green in the petalite-bearing lower and upper intermediate zones (40)...late-stage Ca-enrichment in tourmaline reported a petalite-subtype pegmatite. Keywords: tourmaline, foitite...foitite, rossmanite, granitic pegmatite, petalite subtype, Tanco, Manitoba. SOMMAIRE La pegmatite granitique... dans les parties infĂ©rieure et supĂ©rieure (Ă petalite) de la zone intermĂ©diaire, (40) et (50), respectivement |  | | Journal (issue) | | crystal, 75 mm long, from the Cruzeiro mine, Minas GĂ©rais, 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...tourmaline is the 'Eastern pegmatitic province' of Minas Gerais. One general and three detailed maps of specific...Non-pegmatitic deposits of tourmaline include the Brumado mine (Bahia) which produces fine red uvite crystals and |  | | Journal (article/letter/editorial) | | secondary minerals from the Manono, Maniema, Lutsiro, Urubu and Ungursai granitic pegmatites, the most significant...rare-element granitic pegmatites (Manono, Maniema, Urubu, Ungursai) or alluvial clastic sediments (Lutsiro)...Li-Cs-Ta-rich (LCT family) pegmatites of spodumene or petalite subtype (after classification of CÌernĂœ & Ercit...(Thoreau et al., 1950). The Urubu granitic pegmatite (Minas Gerais, Brazil) is a lenticular body in micaschist... muscovite, lepidolite, elbaite, amblygonite, petalite, altered spodumene, beryl, rarely cassiterite |  | | 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, GENNE...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 |  | | Book | | cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette...environment. solidified. In some basalts of India and Brazil, these cavities are large enough for a person...before it ABOVE: Imperial topaz, Ouro Preto, Minas Gerais, Brazil ° 3.3 x 2.7 x 1.8 om, 159.10 ct RIGHT: Round...mineral pigments. LEFT: Malachite, Bwana MâKubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular |  | | Journal (issue) | | Mineralogical Record Inc. Articles The Bunker Hill mine, Kellogg, Shoshone County, Id a h o 339 by N....by R. S. W. Braithwaite Barite from the Niobec mine, Chicoutimi, Quebec .....................355 by...Kennedy and G. Gagnon Minerals of the Yates uranium mine, Pontiac County, Quebec . 359 by D. L. Leavitt ...QUARTZ with elbaite from Lavra da llha, Minas Gerais Brazil. The specimen, 4 inches tall, is from the...Erica Van Pelt, from a soon-to-bepublished book, Brazil â Paradise o f Gems, by Jules Sauer. back issue |  | | 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) | | and Anthony R. Kampf Gem Pegmatites of Minas Gerais, Brazil: Exploration, Occurrence, and Aquamarine...the northeastern section of the state of Minas Gemis, Brazil. The history of gem exploration and m i n...from the Pioneer mine in the Te6filo Otoni-Marambaia pegmatite district of Minas Gerais. As is common with...gem pegmatite regions of the 20th century: Minas Gerais, Brazil. With these articles, we hope to take you...what pegmatite gems have meant historically in Brazil and the production of one very important pegmatite |  | | Journal (issue) | | albite and lepidolite, mined recently at the Himalaya mine, Pala, California. William Larson collection; photo...Locality âMinas Gerais, Brazil (by J. S. White) [1970, vol. 1, no. 2, p. 73.] Locality âMinas Gerais, Brazil:... 6, p. 461-474.]* The reopening of the Himalaya mine (by D. Eidahl) [1977, vol. 8, no. 6, p. 475.]* The...301-308.]* New tourmaline discovered in [Itatiaia] Brazil (by A. Lallemant) [1978, vol. 9, no. 5, p. 298-299...298-299.] * More on rubellite from the Itatiaia mine, Brazil (by P. C. Keller) [1979, vol. 10, no. 1, p. |  | | Journal (issue) | | 50 to $ 1,000.00 HYDROBORACITE from the Thompson mine, Death Valley, Calif. Some spec imens w ith colemanite...Newman Minerals From the Lavra da llha Pegmatite, Brazil.................... 207 Jacques P. & Jeannine O...Mitchell The Minerals of the Morro Velho Gold Mine, Brazil...............................................Good thumbnail of the simple SILVER. Glenn Lake Mine. San Diego Co., Calif. A group of octrahedron xl...doubly terminated xls with good RENARDITE. Ruggles Mine, Massive. Rare. 2 x 4cm $14.00 pink color. Slightly |  | | Journal (issue) | | Roberts Victor, Jagersfontein, Sierra Leone, Star mine, Mwadui and Alamasi. Data are used to determine...M.O'D. The origin of diamonds in western Minas Gerais, Brazil. subducted component in the Siberian upper...bimineralic eclogite xenoliths from the Udachnaya mine, Yakutia, Siberia, were investigated to establish...alluvium/colluvium in the Brasilia Orogenic Belt, western Minas Gerais, Brazil. The age of the Belt is estimated at 700-450...discussed with reference to diamonds from Sao Luiz, Brazil. M.O'D. Trace element characteristics of the lower |  | | Book (edition) | | Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara, Brazil, H Rhodocbrosite, polished, 50 mm, Capillitas,... China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia...Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]âą6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald |  | Melcher, Frank, Graupner, Torsten, GĂ€bler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, OberthĂŒr, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalumâ(niobiumâtin) mineralisation in African pegmatites and rare metal granites: Constraints from TaâNb oxide mineralogy, geochemistry and UâPb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | 1998; rare-element pegmatites of the Serido Belt, Brazil, Baumgartner et al., 2006), little is known about... 3. Methods Concentrate samples from different mine sites in many African countries have been investigated...produced. These pegmatites host significant Li (petalite, lepidolite, spodumene, eucryptite, amblygonite)...taken place in the north-east of Zimbabwe, at Benson Mine, Sutswe, Rusambo and Shamva. T Archean ages were...93 % concordant; sample 056, Fig. 4a) and Benson mine pegmatites (2587 ± 4 Ma; on average 97 % concordant; |  | | Book | | Wood 202 203 Sillimanite (Fibrolite) 174 Petalite Serpentine Siberite Perovskite Tugtupite ...minerals were densely con- centrated. This type of mine was very at- tractive, since it avoided the need...materials Quartz crystals from Corinto, Minas Gerais, Brazil. Height: 15 cm. Sorbonne collection using...crys- Washing diamond-bearing gravel in Minas Gerais, Brazil. Photo: tals of such minerals as quartz...phrase ââgem qualityâ to de- from Salinas, Minas Gerais, well as an ââornamental stone.â Amethyst |  | | Book | | Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals...Montijos quarry, Monte Redondo, Leiria Estremadura. The Montijos gabbro quarry at Monte Redondo, near the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous |  | | Book | | stone came from â someÂŹ times down to the actual mine. Today it is commonplace to see in sale catalogues...indicating a carbonaceous material. Emeralds from Brazil are usually full of thin liquid films and there...noticed in a goshenite (colourless beryl) from Brazil and in the same crystal a manganese apatite and...always twinned according to two different laws: the Brazil twin in which left- and righthanded crystals interpenetrate...stones). The fine dark blue beryls from the Maxixe mine and also the irradiated Maxixe-type beryl seen in |  | | Journal (issue) | | 1aquamarine, Santa Maria mine, Brazil; (2) 20.10-ct peridot, Burma; (3) 21.09-ct kunzite, Brazil; (4) 8.14-ct grossular...tourmaline, Queen Mine, Pala, California; (6) 15.18-ct tourmaline, Paraiba, Brazil; (7) 10.42-ct tanzanite...38-ct ruby, Burma; (17) 3.08ct tourmaline, Paraiba, Brazil; (18) 1.85-ct fancy purple-pink diamond, Argyle...number of new localities. Fine alexandrites from Brazil, sapphires from Southeast Asia and Australia, emeralds...pegmatite gemstones (tourmaline, aquamarine, etc.) from Brazil, Pakistan, Afghanistan, and several countries in |  | | Journal (issue) | | cat's-eyes Treated jadeite bead necklace Emeralds from Brazil Famous diamond Pink conch pearl Color-change sapphire...Maxixe beryl, a material first found in 1917 in Brazil that faded on exposure to sunlight (also see Nassau...synthetic amethyst on the basis of the presence of Brazil-law twinning in the former (figure 16). While this...phantom quartz locality near Buenopolis, Minas Gerais, Brazil. The specimen was obtained from Kevin Lane...Barbosa, of the Gemological Center in Belo Horizonte, Minas Gerais, Brazil. The rough from which the two stones |
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Urubu mine, Monte Belo, Itinga, Minas Gerais, Brazil