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mines de tourmaline machine,Expedition to the Cruzeiro Tourmaline Mine in Minas Gerais, Brazil .Mar 27, 2015 . Expedition to the Cruzeiro Tourmaline Mine in Minas Gerais, Brazil . brother Antonio De Assis Neves started what is now the Cruzeiro tourmaline mine. .. While the washing equipment and procedures were very basic, they.mines de tourmaline machine,mines de tourmaline machine,An Overview of the 2014 GIA Brazil Expedition | Research & NewsFeb 13, 2015 . . Brazil's most important and productive emerald and tourmaline mines. . and considerable investment in mining machinery and underground workings. ... The church of São Francisco de Assis is one of Ouro Preto's many.