Zobrazeno 1 - 1
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pro vyhledávání: '"Leonardo Gentil Menezes Ribeiro"'
Publikováno v:
Biblioteca Digital de Teses e Dissertações da UFMGUniversidade Federal de Minas GeraisUFMG.
In the present work we studied the color beneficiation processes of colorless topaz, an abundant gemstone in Brazil. Blue topaz is the most internationally traded gemstone in the gem and market, reaching about 100 million carats per year. Almost 100%
Externí odkaz:
http://hdl.handle.net/1843/IACO-8A8QYM
