The gemstone deposits of Brazil: occurrences, production and economic impact

Gemstones American Scientist

Gemstones American Scientist

Gemstone - an overview

Bionics for Inspiration: A New Look at Brazilian Natural Materials for Application in Sustainable Jewelry

The gemstone deposits of Brazil: occurrences, production and economic impact

Minerals, Free Full-Text

Minerals, Free Full-Text

Anthropic Vulnerability of a Hydrothermal Mineral Deposit and Related Mining Heritage, a Case Study from a Medieval Gold-Silver Mining Area, Telkibánya, Hungary

Coloured Gemstones From Brazil: Past, Present And Future

PDF) Brazilian Colored Gemstones in Historical Jewelry

PDF) Contributions to improve sustainability conditions in gemstonebenefiting companies

Brazil's illegal gold rush is fueling corruption, violent crime and deforestation

PDF) Brazilian Colored Gemstones in Historical Jewelry

Minerals, Free Full-Text