 | Atencio, D., Chukanov, N. V., Nestola, F., Witzke, T., Coutinho, J. M. V., Zadov, A. E., Contreira Filho, R. R., Farber, G. (2012) Mejillonesite, a new acid sodium, magnesium phosphate mineral, from Mejillones, Antofagasta, Chile. American Mineralogist, 97 (1) 19-25 doi:10.2138/am.2012.3867 | Journal (article/letter/editorial) | | Geociências, Universidade de São Paulo, Rua do Lago, 562, 05508-080 São Paulo, SP, Brazil Institute of Problems...Geociências, Universidade de São Paulo, Rua do Lago, 562, 05508-080 São Paulo, SP, Brazil 6 5NPP “Teplokhim”,...Russia 7 Rua Murici 62, 13.098-315 Campinas, SP, Brazil 8 Bornsche Strasse 9, 39326 Samswegen, Germany...crystal aggregates in thin zones in fine-grained opal-zeolite aggregate on the north slope of Cerro Mejillones...Chile. Closely associated minerals are bobierrite, opal, clinoptilolite-Na, clinoptilolite-K, and gypsum |  | | Journal (issue) | | Marias Lake and its significance, Minas Gerais, Brazil .................................................added with sewage sludge and heavy metal salts (Brazil) …………………………………………………….…. 43 Hernando BAGGIO,...the 2011 - 2012 events in Minas Gerais State - Brazil ……………... 47 Najla LASSOUED, Mohamed Naceur KHELIL...susceptibility in southeastern Rio de Janeiro, Brazil ….. 55 Márcia Andréia da SILVA NUNES, Adolf Heinrich...Parc and its sourroundings, Espírito Santo State, Brazil ………………………………………………………….. 61 Ahmed TOUIL, Mohamed |  | Duarte, Lauren C., Hartmann, Leo A., Ronchi, Luiz H., Berner, Zsolt, Theye, Thomas, Massonne, Hans J. (2011) Stable isotope and mineralogical investigation of the genesis of amethyst geodes in the Los Catalanes gemological district, Uruguay, southernmost Paraná volcanic province. Mineralium Deposita, 46 (3) 239-255 doi:10.1007/s00126-010-0323-6 | Journal (article/letter/editorial) | | deposits than in the Ametista do Sul area of southern Brazil. The range of δ34S values (−15.0 to −0.3‰) of altered...amethyst and agate geodes (600 tons/month) are Brazil (Ametista do Sul) and Uruguay (Los Catalanes)....Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil e-mail: lauren.duarte@ufrgs.br L. A. Hartmann (*)...950091501-970, Porto Alegre, Rio Grande do Sul, Brazil e-mail: leo.hartmann@ufrgs.br L. H. Ronchi Universidade...Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil e-mail: lrronchi@uol.com.br Z. Berner Institut |  | | Report (issue) | | Near the Piauí river, Itinga county, Minas Gerais, Brazil. 5.98 (100), 9.98 (90), 3.152 (90), 4.82 (80),...Near the Piauí river, Itinga county, Minas Gerais, Brazil; average electron microprobe analysis, H2O and...mineral, opal. Distribution: From a pegmatite near the Piauí river, Itinga county, Minas Gerais, Brazil. Name:...Type Material: Geology Museum, University of São Paulo, Brazil (DR 591). References: (1) Chukanov, N.V.,...roscherite-group mineral from Itinga, Minas Gerais, Brazil. New Data on Minerals. 42, 11-15. Mineralogical |  | | Report (issue) | | mainly quartz. (2) Teofilo Otoni, Minas Gerais, Brazil; average of 6 electron microprobe analyses supplemented...tourmaline-bearing granite and granite pegmatite (Brazil). Association: Autunite, meta-autunite, uranophane...meta-torbernite, chernikovite, uranian “opal" (Perus, Brazil). Distribution: From the Haiwee Reservoir...Perus, 25 km north of São Paulo, and from Teofilo Otoni, Minas Gerais, Brazil. On Portezuelo Hill, Ranquil... Svisero (1969) Haiweeite, a new occurrence in Brazil. Amer. Mineral., 54, 966-969. (3) Plášil, J., K |  | | Report (issue) | | coastal bird guano deposit. Association: Bobierrite, opal, clinoptilolite-Na, clinoptilolite-K, gypsum. Distribution:...Material: Museum of Geology, University of São Paulo, SP, Brazil (DR712) and the A.E. Fersman Mineralogical |  | Tait, K. T., Belakovskiy, D., Welch, M. D., Gatta, G. D., Camara, F. (2012) New Mineral Names. American Mineralogist, 97 (7) 1260-1265 doi:10.2138/am.2012.595 | Journal (article/letter/editorial) | | Bi)2Ta2O6F, a new mineral species from Quixaba, Paraíba, Brazil. Can. Mineral., 49, 1105–1110. Electron microprobe...Martinho municipality, Paraíba State, northeastern Brazil. The name, which alludes to the composition, conforms...new mineral from Poços De Caldas, Minas Gerais, Brazil. Zap. Ross. Mineral. Obshch., 139(4), 35–47 (in...alkaline Poços de Caldas massif, Minas Gerais, Brazil. It occurs in aggregates up to 1 cm in size interstitial...Institute of Geosciences, University of São Paulo, São Paulo, Brazil. D.B. Mejillonesite* D. Atencio, N |  | | Journal (article/letter/editorial) | | the characteristics of some C- and CT-opals from Brazil F. Caucia, C. Ghisoli and I. Adamo With 5 figures...properties of blue and fire opals found in Piauí state, Brazil, have been characterized through optical analysis...shown by some blue specimens. Key words: gems, fire opal, spectroscopic analyses, trace elements, play of...eschweizerbartxxx ingenta Introduction Opals from Brazil The opals of Brazil are a rather recent discovery. In fact...the discovery of opal in the Brazilian area has been reported, even if white noble opal has been apparently |  | | Journal (article/letter/editorial) | | 共XRPD兲 methodology, by analysing 75 new samples of opal came from different worldwide areas, is introduced...3478554兴 Key words: cristobalite, tridymite, opal C, opal CT, opal A, order-disorder, sepiolite, palygorskite...quartz, in different samples of common opal, fire opal, and wood opal. Levin and Ott 共1932, 1933兲 also highlighted...increasing interest of the scientific community about the opal crystallinity, several investigations were carried...unexplained how, in the same microcrystalline sample of opal, both the high- and low-temperature phases of cristobalite |  | | Journal (issue) | | geology, and notable localities of diamond mining in Brazil, and outlines plans for future diamond production...in bastnäsite • Flashes and flames in Ethiopian opal • Cat’s eye imitation pen pearls • Negative crystals... Svisero, James E. Shigley, and Robert Weldon Brazil, which commanded global production in the 1700s...Gerais and Mato Grosso, are presented. W hile Brazil is widely known for the production of colored gemstones...deposits. According to Kimberley Process statistics, Brazil produced 31,825 carats in 2015, although this figure |  | | Journal (article/letter/editorial) | | Stones of Brazil by Carlos Cornejo and Andrea Bartonrelli. Solaris Cultural Publications, São Paulo, Brazil...English-language work on the collector minerals and gems of Brazil. It was written in collaboration with almost a...an international mining company headquartered in Brazil, and the Brazilian Cultural Ministry. The book...Indians, the historical aspects of mineralogy in Brazil, individual short sections on the country’s major...mini-chapter titled “The Mysterious Origin of Platinum in Brazil.” Diamond is discussed in 11 short chapters that |  | | Journal (article/letter/editorial) | | County, and is found as crystals on matrix with opal near the Virgin Valley Ranch in the famous Virgin... It occurs sparsely as crystals associated with opal, cinnabar, and fluorite in calcite veins at the...County, and is associated with fluorite and hyalite opal in “great abundance” as apple-green well-crystallized...are those associated with the gem pegmatites of Brazil. Perhaps the most cited are occurrences in the... specimens produced over the past decade in the São Pedro mine has shown at least some of this material |  | | Journal (issue) | | from Erving, Massachusetts|Amethyst from São Paulo State, Brazil|Apatite from Kenya|Colourless to near-colourless...kyanite from Tanzania|Green daylight-fluorescent opal from Mexico|‘Trapiche’ quartz with radiating fibres|Yellow...Observations of Pegmatitic Amethyst from São Paulo State, Brazil In many parts of the world, construction...construction in a rural area of southern São Paulo State in Brazil, an interruption occurred for a different...which lies approximately 90 km from the city of São Paulo. Due to the local poor economic conditions, the |  | Santos, Thiago P., Lessa, Douglas O., Venancio, Igor M., Chiessi, Cristiano M., Mulitza, Stefan, Kuhnert, Henning, Govin, Aline, Machado, Thiago, Costa, Karen B., Toledo, Felipe, Dias, Bruna B., Albuquerque, Ana Luiza S. (2017) Prolonged warming of the Brazil Current precedes deglaciations. Earth and Planetary Science Letters, 463. 1-12 doi:10.1016/j.epsl.2017.01.014 | Journal (article/letter/editorial) | | elsevier.com/locate/epsl Prolonged warming of the Brazil Current precedes deglaciations Thiago P. Santos...Geoquímica, Universidade Federal Fluminense, Niterói, Brazil MARUM – Center for Marine Environmental Sciences...Ciências e Humanidades, Universidade de São Paulo, São Paulo, Brazil d Institut Pierre-Simon Laplace/Laboratoire... Instituto Oceanográfico, Universidade de São Paulo, Brazil b a r t i c l e i n f o Article history:...c t Paleoceanographic reconstructions from the Brazil Current are scarce and lack the required temporal |  | | Journal (issue) | | Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...Junior (BC Gemas do Brasil, Governador Valadares, Brazil), and heating to 500°C in air was successful in...unusual materials such as labradorite, moonstone and opal. Figure 22: In the late 1800s, Wilhelm Schmidt...it is likely to have been Rio Grande do Sul in Brazil, well known for its amethyst, agate and jasper |  | | Book (edition) | | Data (CIP) (Information Sectorial Nucleus, SP, Brazil) I59 IBGM. Handbook of Gems / IBGM, DNPM. – 4...I. Title. CDU 549.091 Federative Republic of Brazil Ministry of Mines and Energy National Department...respect to the most commonly found and traded gems in Brazil. Such information is generally described in documents...to disclose our vast gemological assets both in Brazil and abroad. Therefore, this publication covers...65 Moldavite 66 Morganite 67 Obsidian 68 Onyx 69 Opal 70 Orthoclase Feldspar 71 Paraiba Tourmaline 72 |  | | Book | | especially in the so-called “southern cone” (Argentina, Brazil, Uruguay), as shown by numerous papers, books,...of Recent Bioclastic Deposits from the Southern Brazil Shelf: Stratigraphic Potential . . . . . . . ....Plant Remains in Tropical Forests of Southeastern Brazil . . . . . . . . . . . . . . . . . . . . . . . ...Coast of the States of Rio de Janeiro, São Paulo, and Paraná, Brazil . . . . . . . . . . . . . . . . . ....Universidade Federal do Rio Grande, Rio Grande, RS, Brazil xi xii Contributors Marisel C. Díaz Instituto |  | Broom-Fendley, Sam, Smith, Martin P, Andrade, Marcelo B, Ray, Santanu, Banks, David A, Loye, Edward, Atencio, Daniel, Pickles, Jonathan R, Wall, Frances (2020) Sulfur-bearing monazite-(Ce) from the Eureka carbonatite, Namibia: oxidation state, substitution mechanism, and formation conditions. Mineralogical Magazine, 84 (1) 35-48 doi:10.1180/mgm.2019.79 | Journal (article/letter/editorial) | | Kingdom 3 São Carlos Institute of Physics, University of São Paulo, PO Box 369, 13560-970, São Carlos,... SP, Brazil 4 School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom...Geociências, Universidade de São Paulo, Rua do Lago 562, 05508-080 São Paulo, SP, Brazil Running title: “Sulfur-bearing...monazite-(Ce) were recorded at the University of São Paulo, using a LabRAM HR Evolution micro-Raman system...principally composed of amorphous silica phases, including opal and chalcedony, with minor hematite, calcite and |  | | Journal (issue) | | deposits of the Capelinha Region, Minas Gerais, Brazil ......................................315 by A...on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom Spann photo...Phoenix Mineral & Mining Associates, Inc., and mined opal at Virgin Valley, Nevada for two summers, subleasing...on his work there in ExtraLapis English No. 10, Opal—The Phenomenal Gem, 2007). He also operated a retail...w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly invites |  | Jovic, Sebastián M., Guido, Diego M., Schalamuk, Isidoro B., Ríos, Francisco J., Tassinari, Colombo C. G., Recio, Clemente (2011) Pingüino In-bearing polymetallic vein deposit, Deseado Massif, Patagonia, Argentina: characteristics of mineralization and ore-forming fluids. Mineralium Deposita, 46 (3) 257-271 doi:10.1007/s00126-010-0324-5 | Journal (article/letter/editorial) | | 6627, Campus da UFMG, Belo Horizonte 31270-901, Brazil C. C. G. Tassinari Centro de Pesquisas Geocronológicas...Universidade de São Paulo, Rua do Lago 562, Cidade Universitária, São Paulo 05508-080, Brazil C. Recio Servicio...silica group, mainly quartz with minor chalcedony and opal, and accompanied in some places by calcite, adularia...Geochronological Research Center, University of São Paulo. Samples used for isotopic analyses were selected...rapakivi granites: examples from Pitinga and Goias, Brazil. Precambrian Res 119(1–4):277–299 Lerouge C, Deschamps |  | | 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...MINERAL TREASURES OF BRAZIL 76 85 AN OUTLINE OF THE MINERAL RESOURCES OF BRAZIL ORIGIN OF GIANT CRYSTALS |  | | Journal (issue) | | that form during this process. The semiprecious opal spearhead in figure 3 was also found in El Paso...also made by the Ute people in the area, and the opal may have come from El Paso County. The Ute used...Collection of Amanda Adkins. Figure 3. Semiprecious opal spearhead made by Ute Indians. Scale is in millimeters...page 6 Opal is a gemstone commonly deposited by hydrothermal solutions in volcanic rocks. Opal has a hardness...25. Opal has no cleavage but does have conchoidal fracture, which allows it to be knapped. Opal forms |  | | Journal (issue) | | deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G.A. your key...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil JacquesCassedanne, Cassedanne, D.Sc.,* Maurice...Fundiio, Fundão, 21,910, Rio de Janeiro, Janeiro, Brazil *Institute of Geosciences UFRJ-CNPq, Cidade Universitaria...Ipanema, 22,410, 22,410, Rio de Janeiro, Janeiro, Brazil **Maurice Roditi Jewellers, distinguished: Abstract...chrysoberyl are Brazil. the gem chrysoberyl varieties sought after in Brazil. Brazil). It should not |  | | Journal (article/letter/editorial) | | Institute of Geosciences, Un. São Paulo, rua do Lago, 562, São Paulo, 05508-080 Brazil (soniaoli@usp.br, babinski@usp...Laboratory, CENA, Un. of São Paulo, C.P. 96, Piracicaba, SP, 13416-000, Brazil, (pessenda@cena.usp.br,...susyeli@cena.usp.br) 3 IPEN, C.P. 11049, São Paulo, Brazil, (defavaro@ipen.br) A 72-cm long core was...pond in the Fernando de Noronha island, northern Brazil, in order to study vertical changes in major, trace...Católica do Rio de Janeiro, 22453-900 Rio de Janeiro, Brazil (tcrist@rdc.puc-rio.br; angela@rdc.puc-rio.br; |  | | Book | | ELIAS DOLIANITI 1941 COMPANHIA EDITORA NACIONAL São Paulo — Rio — Reeito — Porto Alegro Do original: Norte-Americano:...Norte-Americano: “GEOLOGY AND PHYSICAL OF BRAZIL” GEOGRAPHY Esta tradução & propriedade literarta...literarta uu COMPANHIA EDITORA NACIONAL — Sto Paulo qu se reserva ox direitos em lingua portuguesa, E ÍNVIDO...Província da Bala «eseseeereesesemes VE A breia do São Francisco VIE — Provincia da Baia — Interlor ..e...Tala — Geologia dos arredores do São Sale vador o Estrada de Ferro São Francisco .....+ 1X — Provincia |
|
Perus, São Paulo, São Paulo, Brazil