 | Andrade, M. B., Atencio, D., Filho, L. A. D. M., Ellena, J. (2011) TThe structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Rendondo Mine, Coronel Murta, Minas Gerais. The Canadian Mineralogist, 49 (2) 615-621 doi:10.3749/canmin.49.2.615 | Journal (article/letter/editorial) | | NEAR NaCaTa2O6F FROM THE MORRO REDONDO MINE, CORONEL MURTA, MINAS GERAIS, BRAZIL Marcelo B. ANDRADE§ Instituto...Trab. SĂŁo-carlense 400, 13560-970 SĂŁo Carlos, SP, Brazil Daniel ATENCIO Instituto de GeociĂȘncias, Universidade...SP, Brazil Luiz A.D. MENEZES FILHO Instituto de GeociĂȘncias, Universidade Federal de Minas Gerais, Avenida...AntĂŽnio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil Javier ELLENA Instituto de FĂsica de SĂŁo Carlos...Trab. SĂŁo-carlense 400, 13560-970 SĂŁo Carlos, SP, Brazil Abstract We present electron-microprobe and single-crystal |  | | Journal (issue) | | (a variety of zoisite), 9 cm, from the Merelani mine, located on the slopes of the Lelatema Mountains...La Marina mine, Colombia. Top right: Topaz, 8.4 cm, from Ouro Preto, Minas Gerais, Brazil. Lower left:...left: Phosphophyllite, 2 cm, from the Unificada mine, Potosi, Bolivia. Bottom right: Grossular, 3.5 cm,...Andrea Bartorelli: Minerals and Precious Stones of Brazil. Other important references (if any) for individual...cm, from the Alto da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson collection (I had |  | Bermanec, V., Horvat, M., Zigovecki GOBAC, Z., Zebec, V., Scholz, R., Skoda, R., Wegner, R., Brito Barreto, S. d., Dodony, I. (2012) Pseudomorphs of Low Microcline After Adularia Fourlings from the Alto Da Cabeca (Boqueirao) and Morro Redondo Pegmatites, Brazil. The Canadian Mineralogist, 50 (4) 975-987 doi:10.3749/canmin.50.4.975 | Journal (article/letter/editorial) | | THE ALTO DA CABEĂA (BOQUEIRĂO) AND MORRO REDONDO PEGMATITES, BRAZIL Vladimir BERMANEC§ Institute of Mineralogy...University of Ouro Preto, Campus do Morro do Cruzeiro, Ouro Preto, MG, Brazil Radek Ć KODA Institute of Geological...882 â BodocongĂł, Campina Grande, PB, 58109.970 Brazil Sandra de BRITO BARRETO Department of Geology...Acad. HĂ©lio Ramos s.n., 54740-530, Recife, PE, Brazil IstvĂĄn DĂDONY Eötvös LorĂĄnd University, Department...(sample BQ) and the Morro Redondo, Minas Gerais (sample MR) pegmatites in Brazil have a typical adularia |  | Andrade, M. B., Atencio, D., Persiano, A. I. C., Ellena, J. (2013) Fluorcalciomicrolite, (Ca,Na,â)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. Mineralogical Magazine, 77 (7) 2989-2996 doi:10.1180/minmag.2013.077.7.08 | Journal (article/letter/editorial) | | mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil M. B. ANDRADE1, D. ATENCIO2,*, A. I. C....SaÌo Paulo, SP, Brazil Departamento de FıÌsica, Universidade Federal de Minas Gerais, Av. Presidente...Antonio Carlos, 6627, 30123-970, Belo Horizonte, MG, Brazil Departamento de FıÌsica e InformaÌtica, Instituto...Paulo, Caixa Postal 369, 13560-970 SaÌo Carlos, SP, Brazil [Received 29 May 2013; Accepted 8 September 2013;...in the Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. Associated minerals include: microcline |  | | Journal (article/letter/editorial) | | The EBPP is situated mainly in the State of Minas Gerais, but encompasses also parts of the States of...districts are leaders in the production of gemquality tourmaline, aquamarine, morganite, and contain abundant...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 |  | | 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...from granitic pegmatites and detrital deposits. Tourmaline-bearing pegmatites, which commonly are lensshaped... as are the crystals that they contain. The tourmaline-bearing pegmatites mainly consist of K-feldspar |  | | Journal (issue) | | 3 FEATURE ARTICLES Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Araquai Districts...Sapphire Robert E. Kane 40 Interesting Red Tourmaline from Zambia Iohn I. Koivula and C. W. Fryer ...recent years. Two articles in this issue deal with tourmaline: one with the (lrecl that hns prod~rcedmore tourlnaline...in the world-Minos Gerais, Brazil; the other with (I new locality for red tourmaline-Zcrmbia. The pendanr...bicolored tounnaline (12.90 ct), all from the Himalaya mine (California). Thestones were faceted by PalaInteri~ntional |  | | Book | | BARTORELLI ::âą . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection...Fineart Print Inside cover photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy...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 |  | 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) | | 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...in the state of Minas Gerais, Brazil. In the magmatic environment, samples of tourmaline were collected |  | | Journal (article/letter/editorial) | | crystals of linarite (up to 6 or 7 mm) from Blancher Mine, New Mexico, USA; wulfenite tabular crystals (up...deserve to be marked. Very much spectacular are the tourmaline specimens, the zonar one from Anjanabonoina,...translucent crystals of calcite and fluorite from Elmwood Mine, Tennessee, USA (Fig 7) is amazingly beautiful....pink rhodochrosite from Capnic, Romania; the two tourmaline splendid specimens â zonar crystal (30 by 10...with lepidolite and quartz (Pederneira Mine, Minas Gerais, Brazil) as well as luxurious intergrowths of |  | | Report (volume) | | workshop held December 1-10,1986, in Belo Horizonte, Brazil, was hosted by the Institute Brasileiro de Mineragao...photograph at Quintas, Mineragao Morro Velho Club, Nova Lima, Brazil December 4,1986 1. 2. 3. 4. 5. ...Quadrilatero Ferrffero, Minas Gerais, Brazil Workshop: Belo Horizonte, Brazil, December 1-10,1986 Sponsors:...Data Gold deposits related to greenstone belts in Brazil Deposit modeling workshop; Part A Excursions /...deposits related to greenstone belts in Brazil, Belo Horizonte, Brazil, 1986, by Charles H. Thorman and Eduardo |  | | Journal (article/letter/editorial) | | that Keith wandered around the neighboring gold mine dumps and developed an interest in minerals. He...found in 1967 in the Pioneira mine, Teofilo Otoni, Minas Gerais, Brazil. Downloaded by [Stockholm University...multicolored tourmaline from the Barra de Salinas mine, Aracuai-Itinga district, Minas Gerais, Brazil. Although...Although the owner did not wish to sell the tourmaline, he was willing to trade; and thus they negotiated...specializing in colored gemstones. Keith's travels in Brazil in search of gems and crystal specimens have added |  | | 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...members of the columbite-tantalite group, cookeite, tourmaline, lepidolite, topaz, and spessartine (Pezzotta...surprise. In 1997, Gary and Mary Freeman began to mine the Orchard pit, a then insignificant pegmatite |  | | Catalog/List | | and Trademark Office. 36190 GERHARD WAGNER TOURMALINE & FINE MINERALS COLLECTION, AUCTION 1 The Session...of the ground. Of the countryâs localities for Tourmaline, Momeik stands out for producing the instantly...to the outside world continues to grow. 73001 TOURMALINE Momeik Township, Kyaukme District, Shan State...group presents as a roughly pyramidal knob of Tourmaline composed of hundreds of radiating, subparallel...G., & Walker, J. (Eds.). (2015). The World of Tourmaline: The Gerhard Wagner Collection. Dallas, Texas: |  | | Journal (issue) | | Schumacher Graphite (35 x 32 cm) of the Alibert Mine, Botogol Mt. in Siberia, rough materiaL two pencils...Haidinger in 1859 1842 in the Tsarevo-Alexandrovskaya mine near Tashkurganka River, Miass, Urals. The original...minerals by ROSE, perovskite from the A:hmatowsk mine, Slatoust, Ural Mountains (1839), and the silver... Fluorite, 17 cm - Dalnegorsk Brookite, 8 cm - Dodo Mine â Photos and specimens: Boris z. Kantor, except...druzas of giant gypsum in the Cave of Crystals, Naica Mine, Mexico, that reach 15 meters in height (Photo 6) |  | Vial, D.S., Duarte, B.P., Fuzikawa, K., Vieira, M.B.H. (2007) An epigenetic origin for the Passagem de Mariana gold deposit, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. Ore Geology Reviews, 32 (3) 596-613 doi:10.1016/j.oregeorev.2005.03.017 | Journal (article/letter/editorial) | | Mariana gold deposit, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil D.S. Vial a,â, B.P. Duarte b , K. Fuzikawa...Vale do Rio Doce, BR381, Km 459, Santa Luzia, MG, Brazil Faculdade de Geologia da Universidade do Estado...Francisco Xavier, 524, MaracanĂŁ, Rio de Janeiro, RJ, Brazil c CDTN-Centro de Desenvolvimento da Tecnologia...Horizonte, MG, Brazil d Companhia Vale do Rio Doce, BR262, Km 296, Santa Luzia, MG, Brazil b Received...Available online 14 February 2007 Abstract The goldâtourmaline quartzâvein deposit of Passagem de Mariana, in |  | | Report (issue) | | EXCURSION FROM BELO HORIZONTE TO OURO PRETO MINAS GERAIS, BRAZIL REGIONAL STRATIGRAPHY AND TECTONICS OF THE...DAS VELHAS GREENSTONE BELT AND THE PROTEROZOIC MINAS SUPERGROUP AS BACKGROUND FOR GOLD METALLOGENESIS...Geoci&ncias Universidade Federal de Minas Gerais Belo Horizonte, Brazil 2U.S. Geological Survey Denver,...bauxite prospect pit at Morro do Cruzeiro, Ouro Preto, Minas Gerais, Brazil. 14 INTRODUCTION This...reporting on a workshop held in Belo Horizonte, Brazil, from December 1-10, 1986. The workshop was sponsored |  | | Book (volume) | | Vigas de RamĂrez, Veracruz, Mexico, 49 La Sopressa Mine, Amatitlan, Guerrero, Mexico, 57 (on Quartz with...Maine, 40 (with Ferberite, Quartz & Siderite) Tasna Mine, Atocha-Quechisla Dist., Potosi Dept., Bolivia,...(& Malachite) Morenci Mine, Greenlee Co., Arizona, 39 Barite Sidi Lahcen Mine, Djebel Ouichane, Nador...23 (with Malachite on Chrysocolla) Mashamba West Mine, Kolwezi Dist., Democratic Rep. of the Congo, 39...33 Caledonite (with Cerussite) Mammoth-St Anthony Mine, Tiger, Mammoth Dist., Pinal Co., Arizona, 21 Chalcopyrite |  | | Journal (article/letter/editorial) | | rock, with only minor amounts of micas, garnet, tourmaline, apatite, and so on. At the opposite end 320ââ...notably from several pegmatite locations in Minas Gerais, Brazil, acquires its color in conjunction with...The specimen is from the Swamp dike, Little Three mine, Ramona, California. Figure 5 (below). A cross section...portion of a pegmatite dike from the Little Three mine, Ramona, California, shows graphic granite as an...microcline (white) that contains pale blue bands of tourmaline that were deposited on the growth surfaces of |  | | Journal (issue) | | NE of the Sandawana mine, along the Mweza Range, which is named 'Machingwe' mine, after a nearby stream...The Machingwe Emerald mine The car journey from Masvingo to the Mashingwe mine takes about 3l/z hours...for the mine became 'Machingwe Syndicate No. No.22 Mine', but is better known under the name Mine: Machingwe...Machingwe mine. At the time of the first author's visit to the mine -S striking, the No. No.11 shaft shaft...mining based on very simple methods at the time the mine was visited, but also the plant and the treatment |  | | Journal (article/letter/editorial) | | is a new mineral from the MammothSaint Anthony mine (32°42âČ23âłN, 110°40âČ59âłW), Tiger, Pinal County,...acquired the first mineral from Mammoth-Saint Anthony mine in 1978 and since then he has intensively studied...Na3MgP3O10·12H2O, a new triphosphate mineral from the Dome Rock Mine, South Australia: description and crystal structure...Na3MgP3O10·12H2O, is a new mineral species from the Dome Rock mine, Boolcoomatta Reserve, Olary Province, South Australia...no primary P minerals have been recorded at the mine. Hylbrownite occurs in a thin seam as aggregates |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225 Version...Thorman (1994): Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...rights reserved. Geology and Mineral Resources of Brazil: A Review INACIO DE MEDEIROS DELGADO, AUGUSTO J...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey, Denver |  | | Catalog/List | | and crystal forms, particularly of Fluorite, Tourmaline and Calcite. His fascination with Fluorite was...fine, large, colorful Tourmaline specimens. He coveted the âSharon Stoneâ Tourmaline group for years â ever...Maria do Jetiba, Espirito Santo, Southeast Region, Brazil Smokey scepter Quartz with extreme development...TERMINATED QUARTZ ON QUARTZ Diamantina, Minas Gerais, Southeast Region, Brazil Double-terminated, water clear...âLEMURIANâ QUARTZ PHANTOM JequitaĂ, Minas Gerais, Southeast Region, Brazil Water clear Quartz prism with an |  | | Journal (issue) | | . . . . . . . . . 19 by J. A. Scovil The Machow mine, Tamobrzeg, Poland . . . . . . . . . . . .. .. ...after argentite, 10 cm tall, from the Las Chispas mine, Arizpe, Sonora, Mexico. Houston Museum of Natural...geologic setting and mineralogy of the mine site. The Harding mine catalog will provide researchers and...citations on the Harding mine and information about other collections of Harding mine specimens. The museum...high-quality, precisely located specimens from the mine. Interested persons should send helpful information |  | | Journal (issue) | | (admixture of Cr''). Height 7cm. b. Polychromatic tourmaline. 5. Fine zoned crystals. a. Synthetic quartz...Unusual Crystallization or... Mineral Pathology? //Mine mlogicheskii zhurnal. 1989.1.11, N 2. p.96-98. 10...during the warm season. Only a watchman stays at the mine through the winter. Last year, the teamleader Vasilii...Outstanding specimens - emeralds, alexandrite, topazes, tourmaline, andmanyothersfivm Urals and Fastem Siberia;...with crystals of orange danburite, polychrome tourmaline, and morion. The second subtype comprises superimposed |
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Morro Redondo mine, Coronel Murta, Minas Gerais, Brazil