 | Baijot, Maxime, Hatert, Frédéric, Dal Bo, Fabrice, Philippo, Simon (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. The Canadian Mineralogist, 52 (2) 373-397 doi:10.3749/canmin.52.2.373 | Journal (article/letter/editorial) | | PHOSPHATE MINERAL ASSOCIATIONS FROM THE JOCÃO PEGMATITE, MINAS GERAIS, BRAZIL Maxime BAIJOT, Frédéric...Grand-Duché de Luxembourg Abstract The Jocão pegmatite (or Cigana) is located in the well-known Eastern...mineral masses were collected from the dumps of the pegmatite: association I is composed of dendritic triphylite...Fe3+-bearing phosphate minerals such as jahnsite s.l., frondelite s.l., and orange hureaulite; heterosite is replaced...replaced by an intimate mixture mainly composed of frondelite and robertsite-mitridatite. Finally, this study |  | | Journal (article/letter/editorial) | | GEOCHEMISTRY OF PHOSPHATES AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Maxime...Grand-Duché de Luxembourg Abstract The Sapucaia pegmatite is located in the well-known Eastern Brazilian...Minas Gerais, Brazil. Detailed mapping of the pegmatite body revealed five zones, showing distinct mineral...quartz core (Q). Phosphate masses found in the pegmatite contains two different assemblages: assemblage...is replaced by minerals like jahnsite s.l. and frondelite s.l. during the hydration stage, and in both |  | Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021 | Journal (article/letter/editorial) | | Emmons pegmatite in 1996. THE EMMONS PEGMATITE Greenwood Oxford County, Maine The Emmons pegmatite, noted...many phosphates, is Maine’s most species-rich pegmatite. T ALEXANDER U. FALSTER WILLIAM B. SIMMONS KAREN...Emmons pegmatite. For the past five years Alexander Falster has visited the Emmons pegmatite almost weekly...weekly. Laboratory studies of his field collection were supplemented by examination of Emmons specimens...Mongort Minerals and those of three prominent Maine field collectors: Gene T. Bearss, David M. Seaman, and |  | Vignola, P., Diella, V., Ferrari, E. S., Fransolet, A.-M. (2011) COMPLEX MECHANISMS OF ALTERATION IN A GRAFTONITE + SARCOPSIDE + TRIPHYLITE ASSOCIATION FROM THE LUNA PEGMATITE, PIONA, LECCO PROVINCE, ITALY. The Canadian Mineralogist, 49 (3) 765-776 doi:10.3749/canmin.49.3.765 | Journal (article/letter/editorial) | | SARCOPSIDE + TRIPHYLITE ASSOCIATION FROM THE LUNA PEGMATITE, PIONA, LECCO PROVINCE, ITALY Pietro VIGNOLA§...Abstract Phosphate masses have been found in a pegmatite rich in oligoclase, with minor muscovite and schorl...kryzanovskite by auto-oxidation as well. Keywords: pegmatite phosphates, graftonite + sarcopside alteration...masses de phosphates ont été récoltées dans une pegmatite, riche en oligoclase, avec muscovite et schorl...par auto-oxydation. Mots-clés: phosphates de pegmatite, altération de graftonite + sarcopside, analyses |  | Dyar, M. D., Jawin, E. R., Breves, E., Marchand, G., Nelms, M., Lane, M. D., Mertzman, S. A., Bish, D. L., Bishop, J. L. (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data. American Mineralogist, 99 (5) 914-942 doi:10.2138/am.2014.4701 | Journal (article/letter/editorial) | | expressed in velocity units by convention in this field. Isomer shift is caused by overlap between the nucleus...moment and the gradient of the surrounding electric field, which cause the I = 3/2 level to split into two...and a large contribution to Δ from the electronic field. In high-spin Fe3+, which has electronic 3 2 configuration...electronic field remains spherical. Of course, in both cases, asymmetry in the lattice field causes [6]Fe2+...Bavaria, Germany Tip Top pegmatite, Black Hills, South Dakota Serra Branca pegmatite, 12 km south of Pedra |  | Scholz, R., Chukanov, N. V., Filho, L. A. D. M., Atencio, D., Lagoeiro, L., Belotti, F. M., Chaves, M. L. S. C., Romano, A. W., Brandão, P. R., Belakovskiy, D. I., Pekov, I. (2014) Césarferreiraite, Fe2+Fe3+2(AsO4)2(OH)2·8H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral group. American Mineralogist, 99 (4) 607-611 doi:10.2138/am.2014.4695 | Journal (article/letter/editorial) | | 2012-099) of triclinic symmetry, from Eduardo pegmatite mine, Conselheiro Pena municipality, Minas Gerais...Keywords: Césarferreiraite, new mineral, granitic pegmatite, Conselheiro Pena, Minas Gerais, Brazil, laueite...during the preparation of the Eastern Brazilian Pegmatite field trip for the 4th International Symposium on...many studies of the mineralogy of ores and in the field of geometallurgy. During the last 15 years, he was...cm3 miarolitic cavity in albite in the Eduardo pegmatite mine (“Lavra do Eduardo,” in Portuguese), near |  | | Journal (article/letter/editorial) | | originally described from the Sapucaia Velha pegmatite mine, Galileia, Minas Gerais, Brazil, as a hexagonal...fibers coating muscovite, quartz, variscite, and frondelite, and is also associated with roscherite. It has...has been identified from the Noumas pegmatite, Namaqualand, South Africa (von Knorring 1985), and from...notes: Crystallography of faheyite, Sapucaia pegmatite mine, Minas Gerais, Brazil. American Mineralogist...Faheyite, a new phosphate mineral from the Sapucaia pegmatite mine, Minas Gerais, Brazil. American Mineralogist |  | Menezes Filho, Luiz A. D., Chaves, Mário L. S. C., Cooper, Mark A., Ball, Neil A., Abdu, Yassir A., Sharpe, Ryan, Day, Maxwell C., Hawthorne, Frank C. (2019) Brandãoite, [BeAl2(PO4)2(OH)2(H2O)4](H2O), a new Be–Al phosphate mineral from the João Firmino mine, Pomarolli farm region, Divino das Laranjeiras County, Minas Gerais State, Brazil: description and crystal structure. Mineralogical Magazine, 83 (2) 261-267 doi:10.1180/mgm.2018.121 | Journal (article/letter/editorial) | | beryllonite, atencioite and zanazziite, in a granitic pegmatite. It occurs as colourless acicular crystals <10...a new Be–Al phosphate mineral from a granitic pegmatite in the Pomarolli farm region, Divino das Laranjeiras...was collected from a tabular- to lens-shaped pegmatite in the Pomarolli farm region, Divino das Laranjeiras...Laranjeiras County, Minas Gerais State, Brazil. This pegmatite body is known as the ‘João Firmino mine’, with...the northwest of the well-known Córrego Frio pegmatite, 262 Luiz A. D. Menezes Filho et al. from |  | | Book | | profession he tried to become a leading figure in his field of electronic printing, a frontrunner in his business...and being located near Pleystein our “scientific field camp”. I could not imagine to see him without a...quartz at the core of the pegmatite is concerned. In comparison with other pegmatite deposits in the area...area, however, the Hagendorf-Pleystein Pegmatite Province (HPPP) is not only the largest concentration of...everything has been told about this prominent pegmatite. Professor Strunz was a generous and open-minded |  | Dill, H. G., Melcher, F., Gerdes, A., Weber, B. (2008) THE ORIGIN AND ZONING OF HYPOGENE AND SUPERGENE Fe-Mn-Mg-Sc-U-REE PHOSPHATE MINERALIZATION FROM THE NEWLY DISCOVERED TRUTZHOFMUHLE APLITE, HAGENDORF PEGMATITE PROVINCE, GERMANY. The Canadian Mineralogist, 46 (5) 1131-1157 doi:10.3749/canmin.46.5.1131 | Journal (article/letter/editorial) | | NEWLY DISCOVERED TRUTZHOFMÜHLE APLITE, HAGENDORF PEGMATITE PROVINCE, GERMANY Harald G. DILL§ and Frank MELCHER...(THM) at the western border of the Hagendorf Pegmatite Province, Germany. We describe the sequence of...silicates. In contrast with the neighboring Hagendorf pegmatite, the magmatic and hydrothermal phosphate mineralization...des silicates de Sc. Contrairement au cas de la pegmatite de Hagendorf voisine, les assemblages magmatiques...Trutzhofmühle, at the western border of the Hagendorf Pegmatite Province, Germany, renowned for its mineral wealth |  | | Journal (issue) | | SWEDEN 5 Cover 1. Hambeigite. Ranglad 'skoye pegmatite field, E. Pamirs. 8x 4 cm. Specimen:A.M. Skrigitil'...probably, by the geologists' lack of knowledge in the field of jewelry stones. On the basis of the materials...concentrate thus obtained is subjected to so-called field enrichment. This process consists in the extraction...most interesting pegmatites of the Rangkul' pegmatite field are distributed over the area of the Muzkol-Rangkul'...gemstones are distinguished in the Rangkul' pegmatite field. The first type comprises miarolitic pegmatites |  | | Journal (issue) | | widely and field-collected at many localities in the U.S., Germany, Austria, Switzerland, France, Italy,...with tourmaline, have sustained the Golconda pegmatite field’s reputation as among the most important...in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a familiar name to mineral collectors, but...for mica produced in Minas Gerais. A rich, new pegmatite deposit in the Brazilian Golconda area, best known...including the region now known as the Eastern Pegmatite Province. Just below the center can be seen the |  | | Book | | pre-Cambrian shield area, cut by thousands of pegmatite dikes and associated metamorphic rocks, the variety...the mineral assemblage one might expect from pegmatite dikes, Brazil also produces a very significant...who is to gainsay the latter? In this treacherous field, where natural wonders can be duplicated with synthetic...world of gemstones apart from almost any other field is its individualism. Without the individual prospector...Salininha deposit is an east-west lenticular pegmatite, sandwiched between gneiss and carbonated talc |  | | Journal (issue) | | black dravite specimens. Keywords: Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological...place in the sequence of deposition within the pegmatite. Thus this property cannot be used to determine...in the fine morganite crystals from the Urucum pegmatite (Cassedanne, 1986); various micas, as needles...(Araçuaî area) or very thin large plates (Boa Vista pegmatite near Galiléia, Minas Gerais); apatite (Linöpolis...area, Minas Gerais); fluorite (Pedra Redonda pegmatite near Mantena, Minas Gerais); loellingite, as dark |  | | Book (edition) | | Fumade, near Castelnau-de-Brassac, Tame dept., France, with matulaite from the Bachman mine, Hellertown...late-stage hydrothermal mineral in a syenite pegmatite at Tvedalen, Langesundsfjord, Vestfold, Norway...Intergrown in thaleniteM crystals from the NYF-pegmatite at Askagen quarry, Viirmland, Sweden, in tiny...82, (+). In tiny secondary cavities in aplite-pegmatite veins within pink granite at Baveno, Novara prov...alluaudite, scorzalite and fluorapatite, in beryl-rich pegmatite at Angarf-Sud, near Tazenekbt,Ouarzazate prov |  | | Report (issue) | | William "Skip" Simmons and Alexander Falster, pegmatite specialists from the University of New Orleans...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...Mn2+, Mn3+ Sinkankas (1981) Crystal field transition Crystal field transition Platonov, Taran & Klyakhin...Klyakhin (1989) Mn3+ cr3 + and/or y3+ Crystal field transition W ild & Klemm (1926) None, no change after |  | | Book (volume) | | dynamics in gases, in matrix isolation studies, in the field of semiconductor microelectronics, etc. (see Barnes...yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...Locality: Ampanodiana North pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune, Betafo...Locality: Ministerskaya Yama Pit, Sarapulka pegmatite field (near Sarapulka village), Murzinka district...Be2(BO3)(OH,F) Locality: Fantaziya (Fantasy) pegmatite, Kukurt river, Eastern Pamir, Tajikistan. Description: |  | | Book | | scientistsfrom Freiberg and Namibia.Thereare regular field trips to Namibia and several companies from Freiberg...magnificentcollectionof ErikaPohl, who frequently undertook field trips to Namibia, this collection has multiplied...Pomona Area. Reuningdiscovered the Hoffnungstrahl pegmatite attheRossing Mountain,sourceof the gemvarietyof...1965.His research die Wiiste". Hoffnungsstrahl Pegmatite in the Rossing included topicssuchascontinental...Anglo-BoerWar concentration camps Stiepelmann Pegmatite. invited to assesthe ArandisTin Mine. and muchof |  | | Journal (issue) | | Azurite & malachite breccia. Morenci, Arizona, USA. Field - 10 cm. Phelps Dodge Morenci Collection. Photo:...Exceptional Azurite and Cuprite specimens from Chessy, France. Ken HoHmann, P.O. Box 134, Center Rutland, Vermont...Montabone 872 Avenue du Pont des Dames 62 400 Bethune, FRANCE • v i i nsiweiбеr8 "rWoя« of39toпе8"canOut a....deposits. For example, the placers of the Svetlinskoye Field in the Southern Urals, contain several minerals...large masses of slime t o reveal the rubies. Our field crew worked in this region in 1986 and suggested |  | | Book (edition) | | authors and a stud) of recent literature in the field of mineralogy. Current encyclopedic books mostly...Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite Sn2 /•O6'OH) 14Cl 1,, (3.D). Trigona]...celestine, fluorite, and jarlite in cryolite pegmatite at Ivigtut, Greenland. MR 24, 36, 1993. Adamite...dolerite at St.-Pandelon, near Dax, Landes dept., France, also at Karakat, Karamazar Mts., Tajikistan. BM...from talc in the Trimouns open pit, Ariege dept., France. Dokl. Earth Sci. 142, 107, 1962. Aeschynite-(Nd) |  | | Report (volume) | | Books Advisors Mike Brown (USA) Eric Buffetaut (France) Jonathan Craig (Italy) Reto Gieré (Germany) Tom...mineralization systems. They provide a combination of field, experimental and theoretical studies. Papers are...the main granite-related ore systems: granite-pegmatite, skarn and greisen-veins, porphyry, orogenic gold...Palaeoproterozoic to Miocene in age. Contents Granite pegmatite systems SIAL, A. N., BETTENCOURT, J. S., DE CAMPOS...Araçuaı́ orogen (Brazil), the Eastern Brazilian Pegmatite Province and related mineral resources 25 BALEN |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Eric Asselborn, M.D.: Montrevel-en-Bresse, Ain, France. F. John Barlow: Appleton, Wisconsin. Peter Bayliss:...Hungary. Fabien Cesbron: B. R. G. M., Orleans, France. Graham Chinner: Dept. of Earth Sciences, Cambridge...Massachusetts. Gilbert Gauthier: Maisons Laffitte, Paris, France. Legrand A. Gould: Pebble Beach, California. George...Ultrabasic and Basic Rocks of Yakutia Lapis LaChapelle, Field Guide to Snow Crystals Lithos Lapidary Journal Lunar...Amur R. In India the chief producer is the Kolar field in Mysore. In Africa, Ashanti, Ghana; Kilo and Moto |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for...AFRICA SoumAFRicA N'Chwaning II mine, Kalahari field, Northern Cape [Cape] Province. Although not quite...mcdougallminerals.com, 2015). Wessels mine, Kalahari field, Northern Cape [Cape] Province. Mining began in...Swanson quarry, East Haddam, Middlesex County. The pegmatite of the Swanson quarry is locally famous for its...2002). AFRICA MOZAMBIQUE Nanro [Naquissupa] pegmatite, Alto Ligonha district, Zambezia Province. In |  | | Journal (volume) | | (Hungary) (Hungary) (Hungary) (Romania) (Hungary) (France) (Czech Republic) (Croatia) (Hungary) (Poland)...(Slovakia) (Serbia) (South Africa) (Austria) (France) (Hungary) (Hungary) (Hungary) (Croatia) (UK) (Slovakia)...(see the inside of the front cover for members) Field trip Subcommittee Friedrich Koller, Co-Chairman...the front cover of the field trip guides, Acta Mineralogica-Petrographica, Field Guide Series, Vol. 1–29...AM15 Gas storage in minerals: Experimental and field studies ....................................... |  | | Report (volume) | | wt % H2O-) 25: cesanite from Cesano geothermal field, Latium, Italy (Cavaretta et al. 1981) 26: melanocerite...sodalite foyaite and quartz-bearing peralkaline pegmatite reflect progressively increasing importance of...1991b; Takahashi et al. 1998) and a possible crystal field contribution for Nd. Substitution mechanisms. Fleet...forcing the REEs into a Ca1 equivalent site. Crystal field contribution. Fleet et al. (2000b) noted that progressive...crystal field effect should be stronger for the Ca2 position because of its asymmetrical crystal field, more |
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Pegmatite field, Collioure, Céret, Pyrénées-Orientales, Occitanie, France