| 7-cm specimen is from the Pederneira mine, Minas Gerais, Brazil. John S. White specimen and photo. M...looked very much like the green elbaite shell from Brazil in figure 1. She proposed that due to subtle differences...observed on the interior of the green shell from Brazil (fig. 1). Subsequent to this, she writes, the brown...with a quartz core with albite, Urubu mine, Itinga, Minas Gerais, Brazil. This is the specimen that was...specimen is 4 cm and is from the Urubu mine, Itinga, Minas Gerais, Brazil. Figure 3b (right). End view of |
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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 São Paulo, SP, Brazil 2 Rua Murici 62, Campinas, SP, Brazil 3 Department of Earth and Ocean...Ceará, Caixa Postal 6030, 60455-900 Fortaleza, CE, Brazil 5 Departamento de Física e Informática, 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 |
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(2023, January) Flawless Beauty - The Mineral World of Will Johnson. The Mineralogical Record Vol. 54 (1.1) The Mineralogical Record, Inc. |
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 |
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Bosi, F., Andreozzi, G. B., Skogby, H., Lussier, A. J., Abdu, Y., Hawthorne, F. C. (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. American Mineralogist, 98 (2) 297-303 doi:10.2138/am.2013.4285 |
Journal (article/letter/editorial) |
| spessartine, and pink beryl in the Cruzeiro and Urubu mines (Minas Gerais, Brazil), and apparently formed...equivalent of elbaite in the Cruzeiro mine (Minas Gerais, Brazil). Moreover, the fluor-elbaite endmember...2011-071). The holotype specimen from the Cruzeiro mine is deposited in the collections of the Museum of...number 33045. The holotype specimen from the Urubu mine is deposited in the collection of the Department...The first one is the Cruzeiro mine (São José da Safira, Minas Gerais, Brazil), where tourmaline is associated |
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(2023) Fluor-elbaite. Handbook of Mineralogy. Mineralogical Society of America |
Report (issue) |
| X-ray Powder Pattern: Cruzeiro mine, São José da Safira, Minas Gerais, Brazil. 2.568 (100), 2.939 (92), 3...03] 0.63 100.25 (1) Cruzeiro mine, São José da Safira, Minas Gerais, Brazil; average of 10 electron microprobe...spessartine, beryl. Distribution: From the Cruzeiro mine, São José da Safira and the Urubu mine, Itinga, Minas...Minas Gerais, Brazil. Name: As an elbaite with dominant fluorine in the W site. Type Material: Museum of |
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Morteani, G., Preinfalk, C., Horn, A. H. (2000) Classification and mineralization potential of the pegmatites of the Eastern Brazilian Pegmatite Province. Mineralium Deposita, 35 (7) 638-655 doi:10.1007/s001260050268 |
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. AntoÃnio 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 |
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Cornejo, Carlos, Bartorelli, Andrea (2009) Minerals & Precious Stones of Brazil. Solaris Cultural Publications, São Paulo. |
Book |
| BARTORELLI ::• . . .. 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 |
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(1950) Mica deposits in Minas Gerais, Brazil. Bulletin Vol. 964. US Geological Survey doi:10.3133/b964c |
Report (volume) |
| Deposits in Minas Gerais Brazil GEOLOGICAL SURVEY BULLETIN 964-C Mica Deposits in Minas Gerais Brazil...M. BARBOSA and RESK FRAYHA, DIVISSO DE FOMENTO, BRAZIL GEOLOGIC INVESTIGATIONS IN THE AMERICAN REPUBLICS...da Produgao Mineral, Ministerio da Agricultura, Brazil, under the auspices of the Interdepartmental Committee...__________-___---_____---_-________ Exports of sheet mica from Brazil, 1900-1945-___-__-_______----______ General statement...___________________ Mica-mining industry in Minas Gerais.______________________________ General stat |
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Atencio, Daniel (2023) Type Mineralogy of Brazil. Solaris Cultural Publications. |
Book |
| TYPE MINERALOGY OF BRAZIL: A Book in Progress, besides the currently valid mineral species described...vJi. \ V\y\ ~ ~ ~~ ~l~\Q/1'1 TYPE MINERALOGY OF BRAZIL A Book in Progress ~APESP FUNOA(:AO DE .MCl'AAO...Tavares Bastos, 41 - Perdizes Siio Paulo - SP - Brazil - CEP 05012-020 Phone (5511) 96905-5468 Cover:...Carlos Cornejo. DANIEL ATENCIO TYPE MINERALOGY OF BRAZIL A Book in Progress Crystal structure of brazilianitc...Paulo, 2023 DA,"-;IEL ATENCIO- TYPE MINERALOGYOF BRAZIL TABLE OF CONTENTS 8 Preface by Carlos Cornejo |
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Lauf, Robert J. (2006) Collector's Guide to the Mica Group. Rocks & Minerals, 81 (3) 214-224 doi:10.3200/rmin.81.3.214-224 |
Journal (article/letter/editorial) |
| muscovite crystals, to 3 cm, on albite, Galileia, Brazil. T Taxonomy of the Mica Group The mica minerals...about 3 cm; Riacho Genipapo, near Aracuaí, Minas Gerais, Brazil. All photos by the author of specimens in...crystals forming a 10-cm rosette, Jose Pinto mine, Minas Gerais, Brazil. Table 3. Interlayer-deficient micas...quartz at Riacho Genipapo, near Aracuaí, Minas Gerais, Brazil (Cassedanne and Cassedanne 1981). A spectacular...spectacular recent find of muscovite was at the Jose Pinto mine, where more than a ton of beautifully crystallized |
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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) |
| C.D.T.N. CP 941 CEP 30123-970, Belo Horizonte, Minas Gerais, Brazil 2 Instituto de Geociências, Universidade...3173 CEP 30140-970, Brasília, 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 |
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(2011, January) Private Mineral Collections in Italy. The Mineralogical Record Supplement Vol. 42 (1S) The Mineralogical Record, Inc. |
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 |
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(1996) The Journal of Gemmology Vol. 25 (4) Gem-A |
Journal (issue) |
| crystal, 75 mm long, from the Cruzeiro mine, Minas Gérais, 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 |
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(1981) March - April 1981. The Mineralogical Record Vol. 12 (2) The Mineralogical Record, Inc. |
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 |
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Morteani, G., Preinfalk, C. (1997) Geochemische Untersuchungen zum Differentiations- und Vererzungsgrad der Pegmatite in der östlichen Pegmatitprovinz von Brasilien: Das Beispiel des Pegmatitdistriktes von Araçuaí (Minas Gerais) Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 142. |
Journal (article/letter/editorial) |
| BEISPIEL DES PEGMATITDISTRIKTS VON ARA‚UAI (MINAS GERAIS) von G. Morteani & C. Preinfalk Lehrstuhl fŸr...die šstliche Pegmatitprovinz in den Staaten Minas Gerais und SŸdbahia. Sie wurde als solche von PAIVA...ist seit 1996 wieder in Betrieb. Der Pegmatit von Urubu ist ebenfalls seit 1996 wieder in Abbau, u.a. auf...Geoci•ncias der Universidade Federal de Minas GeraisÒ in Belo Horizonte hat. Wir danken Herrn A. Kunz...CERNY, P. (1975): Alkali variations in pegmatitic beryl and their petrogenetic implications. - N. Jb. Mineral |
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Clopton, E. L., Wilson, W. E. (1996) The Mineralogical Record Index - Volumes I - XXV 1970 - 1994. Mineralogical Record Inc. |
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 |
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Van Goethem, Ludo (n.d.) Mica’s, Niets Is Wat Het Lijkt (2nd ed.) |
Book |
| Gele muscoviet, Galileia, Conselheiro Pena, Minas Gerais, Brazilië (RDE). De gele kleur wordt toegeschreven...bruin. Een andere lichtgele vorm, Jenipapo, Itinga, Minas Gerais, Brazilië (RDE, LVG). Mg-Siderophylliet...typisch hoog metamorf. Hier vinden we mineralen zoals beryl, columbiet en fosfaten. Verder kyaniet, sillimaniet...druk, lage temperatuur. Hier worden vnl. lithium, beryl, yttrium mineralen aangetroffen zoals spodumeen...REE’s. Muscoviet kan voorkomen naast biotiet met beryl - De REE groep, type NYF (Nb-Y-F)(REL NYF): Naast |
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(1989) May - June 1989. The Mineralogical Record Vol. 20 (3) The Mineralogical Record, Inc. |
Journal (issue) |
| Moore Recent discoveries of hydroxylherderite in Minas Gerais ..............................................typically abraded specimens you’ve found in the old mine dumps. And you’ve probably looked long and hard...Everyone has heard repeated warnings about entering old mine workings. But, face it, those deep, open shafts...commonality: They can be very dangerous. Each year mine rescue specialists and conventional search and rescue...Statistically, shafts are the most dangerous part of any mine; 90 percent of all accidents and entrapments in |
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(2005) Beryl and its Color Varieties. extraLapis English 7. Lapis International LLC |
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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Tindle, A. G., Breaks, F. W., Selway, J. B. (2002) Tourmaline in petalite-subtype granitic pegmatites: evidence of fractionation and contamination from the Pakeagama Lake and Separation Lake areas of NW Ontario, Canada. The Canadian Mineralogist, 40 (3) 753-788 doi:10.2113/gscanmin.40.3.753 |
Journal (article/letter/editorial) |
| restricted to brief descriptions of the Urubu pegmatite, Minas Gerais, Brazil (Quéméneur et al. 1993) and to Canadian...Separation Lake Greenstone Belt Interior beryl zone Exterior beryl zone Petalite zone 6/26/02, 11:13 756...al. 1999b). Complex-type, petalite-subtype and beryl pegmatites are FIG. 2. Outcrop photograph of the...(7.5 km2) and the Southwestern subgroup (6 km2). Beryl and petalite pegmatites having essentially identical...130 m, are almost entirely enveloped by a zone of beryl pegmatites (Fig. 1c). The largest of the petalitesubtype |
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(2022, November) Refined Elegance - The Small Treasures of Mineralogy. The Mineralogical Record Vol. 53 (6.1) The Mineralogical Record, Inc. |
Journal (issue) |
| the Unificada mine, Potosi, Bolivia. Top right: Benitoite, 2 cm, from the Benitoite Gem mine, California...N‘Chwaning I mine, Kuruman, South Africa. Bottom right: Mimetite, 2.7 cm, from the Tsumeb mine, Namibia....Record: (1) Stephanite, Husky mine, Canada. (2) Wulfenite, Rowley mine, Arizona. (3) Diaspore twin, Pinarcik...Adelaide mine, Tasmania. (5) Andradite, Antetezambato, Madagascar. (6) Calcite, Mashamba West mine, Congo...Afghanistan. (8) Scorodite, Tsumeb mine, Namibia. (9) Shigaite, N’Chwaning II mine, South Africa. v This special |
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(1984, Summer) Gems & Gemology Vol. 20 (2) Gemological Institute of America |
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 |
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Tait, Kimberly (2012) Gems and Minerals: Earth Treasures from the Royal Ontario Museum. 256pp. |
Book |
| cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 cm Page 252: Gypsum rosette...or etched by corrosive solutions, as occurs with beryl, or they may be fractured by rock movements during...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 cm, 159.10 ct RIGHT: Round...Fluorapatite Topaz Topaz, Téofilo Otoni, Minas Gerais, Brazil - 14.5 x 14x 13.5 cm Hardness 6 Hardness |
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Uher, Pavel, Černý, Petr, Chapman, Ron (2008) Foordite-thoreaulite, Sn2+Nb2O6Sn2+Ta2O6: compositional variations and alteration products. European Journal of Mineralogy, 20 (4) 501-516 doi:10.1127/0935-1221/2008/0020-1845 |
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)...quartz, microcline, albite, muscovite, spodumene, beryl, tourmaline, apatite, garnet, cassiterite and Nb–Ta...(Thoreau et al., 1950). The Urubu granitic pegmatite (Minas Gerais, Brazil) is a lenticular body in micaschist...elbaite, amblygonite, petalite, altered spodumene, beryl, rarely cassiterite, columbite-group minerals, thoreaulite |
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Tait, Kimberly (2012) Gems and Minerals: Earth Treasures from the Royal Ontario Museum. 256pp. |
Book |
| cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette...or etched by corrosive solutions, as occurs with beryl, or they may be fractured by rock movements during...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 M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22 |
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