 | Beurlen, H., Thomas, R., Melgarejo, J. C., Da Silva, J. M. R., Rhede, D., Soares, D. R., Da Silva, M. R. R. (2013) Chrysoberyl-sillimanite association from the Roncadeira pegmatite, Borborema Province, Brazil: implications for gemstone exploration. Journal of GEOsciences, 58 (2) 79-90 | Journal (article/letter/editorial) | | from the Roncadeira pegmatite, Borborema Province, Brazil: implications for gemstone exploration Hartmut...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil; beurlen@ufpe.br Helmholtz-Centre Potsdam, German...Lemos 671, 58100–000, Campina Grande – Paraíba, Brazil Corresponding author The first occurrence of chrysoberyl...Borborema Pegmatite Province (BPP) in northeastern Brazil is reported from up to 0.5 m large boulders in...perspective for the finding of the gem-variety alexandrite in the BPP. Keywords: chrysoberyl, metamorphosed |  | | Journal (article/letter/editorial) | | al. 2015), the Breves Cu-Au-(W-Bi-Sn) deposit in Brazil (Tallarico et al. 2004), and some intrusion-related...Saltwater Creek, Tasmania, Australia Buriti Mine, Goiás, Brazil Mount Bischoff, Tasmania, Australia Saltwater...Buriti Mine, Goiás, Brazil Saltwater Creek, Tasmania, Australia Buriti Mine, Goiás, Brazil Buriti Mine...Mine, Goiás, Brazil White Lode, Western Australia, Australia Samples MB1, MB2 SC1, SC2 BM1 MB1, MB2 SC1...margin of the Serra Dourada granite massif, located in the Goiás Tin Province of Brazil (Botelho and Moura |  | | Journal (issue) | | currently the niost important source of emeralds in Brazil, lies northwest of Brasilia, i n the State o f...Institute of the Federal University o f Rio de Janeiro, Brazil; and Mr. Sauer is director o f Lapida~aoAmsterdam...Lapida~aoAmsterdam, S.A., Amsterdam Sauer, Rio de Janeiro, Brazil. 07904 Gemological Institute of America 4 Santa...motivation for many expeditions into the interior of Brazil, all with the hope of discovering emerald deposits...mines, which are still active, eventually placed Brazil among the world's leading producers of emerald |
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