 | | Journal (article/letter/editorial) | | group from the Borborema region, north-eastern Brazil MARIA S. A D U S U M I L L I Department of Geosciences...metamict crystals in the Raposa pegmatite at S~o Jos6 do Sabugi, Paraiba State, NE. Brazil. Morphological data...have already been described from north-eastern Brazil by Rolff (1946) and Adusumilli and Rao (I962)....of crystals from the Raposa pegmatite in the municipality of Sao Jos6 do Sabugi, Paraiba State. The crystals...KIEFT, AND E. A. J. BURKE ON Occurrence. The Raposa pegmatite has never been described or mentioned in the |  | | Report (issue) | | = 5.34 Z = [4] X-ray Powder Pattern: Raposa pegmatite, Brazil; after heating in air at 1300 ◦ C. 3.00...0.6 0.6 0.4 0.4 0.7 0.9 6.2 98.5 (1) Raposa pegmatite, Brazil; by electron microprobe, corresponding...aeschynite-(Y). Occurrence: In a pegmatite. Association: Quartz, microcline, biotite, columbite, beryl....Distribution: In the Raposa pegmatite, near São José do Sabugı́, Paraı́ba, Brazil. Name: For an aeschynite...Geosciences, University of Brasilia, Brasilia, Brazil, NT-52; Institute of Earth Sciences, Free University |  | Bermanec, Vladimir, Tomašić, Nenad, Kniewald, Goran, Back, Malcolm E., Zagler, Georg (2008) Nioboaeschynite-(Y), a new member of the aeschynite group from the Bear Lake Diggings, Haliburton County, Ontario, Canada. The Canadian Mineralogist, 46 (2) 395-402 doi:10.3749/canmin.46.2.395 | Journal (article/letter/editorial) | | titanite, and feldspar group (anorthite and microcline), annite (biotite), calcite, quartz, monazite...6 tantal-aeschynite, Raposa pegmatite, São Jose do Sabugi, Paraiba State, Brazil; 7 tantalian aeschynite...diffraction data presented, three diffraction maxima that do not belong to nioboaeschynite-(Y) were observed [d...group from the Borborema region, north-eastern Brazil. Mineral. Mag. 39, 571-576. Aleksandrov, V.B. (1960):...Identification and alteration trends of granitic-pegmatite-hosted (Y,REE,U,Th)–(Nb,Ta,Ti) oxide minerals: |  | | Journal (article/letter/editorial) | | BURKE (E. A. J.), Tantal-aeschynite from Borborema, Brazil, 57I Afwillite, Ireland, stability of, decomposition...Donegal, Ireland, staurolite, 672 Arsenopalladinite, Brazil, anal., opt., hardness, X-ray, 528 ASARI (T.)...opt., isomorphous substitutions in, 97 Atheneite, Brazil, anal., opt., hardness, X-ray, 528 Augite, composition...), Palladium arsenide-antimonides from Itabira, Brazil, 528 Clinoamphibole, Ghana, anal., opt., 224; and...structures in a metamorphosed dolerite, 816 Eosphorite, Brazil, FeO in, 895 Ephesite, S. Africa, infra-red spectrum |  | | Journal (article/letter/editorial) | | arsenide-antimonides from ltabira. Minas Gerais, Brazil. Mineral. Mag. 39, S2B-543. Electron microprobe...residual concentrates from gold washings at ltabira, Brazil. Intergrowths with arsenopalladinite occur, and...arsenide-antimonides from Itabira. Minas Gerais, Brazil. Mineral. Mag. 39, 528-543. Electron microprobe...in concentrates from gold washings at Itabira, Brazil. In one grain it was intergrown with arsenopalladinite...group from the Borborema region, north-eastern Brazil. Mineral. Maq.39,571-576. Analysis by electron |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Book | | incompletely characterized hydromicas-these nebulous species do not form visible crystals and in themselves are never...consists of ilmenite. magnetite, anatase, biotite, microcline and minor fluorapatite (Robinson and Chamberlain...Watson, Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized...Remedios mine, although generally Taxco ilvaite crystals do not exceed 6 mm (Des Revieres and Beals, 20 l l )...(1995: 477). Inesite crystals from the Hale Creel mine do not remain bright pink, unfortunately: as their manganese |  | 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) | | of detail and complexity required by the format to do of the seventh edition of System was too daunting...Luiz A. D. Menezes: Belo Horizonte, Minas Gerais, Brazil. William C. Metropolis: Mineralogical Museum, Harvard...a portion of the unit cell; constraints of space do not always allow showing the true cell repeats or...perspective for their position as shown. Thus they do not show the exact orientation of the center of the...to be widely spaced relative to cleavage and which do not occur everywhere within a specimen. Parting may |  | | Book (edition) | | Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens from the collection of Eugene and...Douglas K. Miller DK Arizona-Sonora Desert DM Museum DO = "Donald Olson Delma Perry DP DS David Shannon EB...forth. All faces or other surfaces on a given mineral do not necessarily exhibit the same Juster. Some minerals...more references where all references are inadequate, do not contain good bibliographies, or are in conflict...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing |  | | Book | | sometimes included in the group even though they do not exhibit crystallographic affinities with other...white in reflected light. Itabira, Minas Gerais, Brazil. H=?, Dj^= 10.4, D(.= 11.02, IIG 04. Bannister...white in reflected light. Itabira, Minas Gerais, Brazil. H= 5, Djn= 10.2, 0^= 10.16, HG 04. Glark et ah...colorless, yellow, green, reddish, etc. Sri Lanka and Brazil. H= 6.5, Dj4j= 5.82, D(;= 5.836, IVD 16a. Fletcher...Almas and Serra Da Mangaheira, Paramirim, Bahia, Brazil. H=?, Djj4= 5.1, D(.= 5.26, IVD 15. Moore et ah |  | | Book (edition) | | of The Fleischer s Glossary of Mineral Species, I do so with somc sadness. On September 18, 2007, my Teacher...Thomas Armbrusler (Switzerland). Daniel Atcncio (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA)...)11(PO1OH)(OHb mon., Sapuccia pegmatite,Galileia,Rio Doce basin,MinasGerais,Brazil,91, 1249-1259(str.),91,... tric., Caue iron mine, ltabira, Minas Gerais. Brazil, 59, 1332, 64,658, MM39, 528-543, CM 15, 70-73...ofthe Santa Catharina mcteoritc, coast of southcm Brazil. New Afins. ( 1997), NJMM 1990, 76-80 Vivianitegroup |
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