The gemstone deposits of Brazil: occurrences, production and economic impact
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Brazil's illegal gold rush is fueling corruption, violent crime and deforestation
Amethyst Cluster 3.42 with Stand Brazilian Collectible Specimen, Includes Display Case - Mini Museum
PDF) Contributions to improve sustainability conditions in gemstonebenefiting companies
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The gemstone deposits of Brazil: occurrences, production and economic impact
These pieces of zircon from Lam Dong range from 0.5 to 2.2 cm. Photo by
Vermelhão mine, Saramenha, Ouro Preto, Ouro Preto, Minas Gerais, Brazil
Adsorption of rare earth elements in regolith-hosted clay deposits
Field and hand specimens photographs demonstrating gem corundum and
Geophysical Methods Used in Exploration for Gemstones
Amethyst Cluster 3.11 with Stand Brazilian Collectible Specimen, Includes Display Case - Mini Museum
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Bionics for Inspiration: A New Look at Brazilian Natural Materials for Application in Sustainable Jewelry
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