Redalyc.The Gemstone Deposits of Brazil: Occurrences, Production And
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Boletín de la Sociedad Geológica Mexicana ISSN: 1405-3322 [email protected] Sociedad Geológica Mexicana, A.C. México de Brito Barreto, Sandra; Bretas Bittar, Sheila Maria The gemstone deposits of Brazil: occurrences, production and economic impact Boletín de la Sociedad Geológica Mexicana, vol. 62, núm. 1, 2010, pp. 123-140 Sociedad Geológica Mexicana, A.C. 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