Zwaan, J.C. (2015). Rhodochrosite from Brazil .The Journal of Gemmology, 2015, Vol.34(6), p.473(3). Link to Article
Brazilian Diamonds: A Historical and Recent Perspective
Svisero, D. P., Shigley, J. E., & Weldon, R. (2017). Brazilian Diamonds: A Historical and Recent Perspective. Gems & Gemology, 53(1), 2-33. Link to Article
Gemstone mining as a development cluster: A study of Brazil’s emerald mines
De Oliveira, J. A. P., & Ali, S. H. (2011). Gemstone mining as a development cluster: A study of Brazil’s emerald mines. Resources Policy, 36(2), 132-141. Link to Article
The gemstone deposits of Brazil: occurrences, production and economic impact.
De Brito Barreto, S., & Bittar, S. M. B. (2010). The gemstone deposits of Brazil: occurrences, production and economic impact. Boletín de la Sociedad Geológica Mexicana, 62(1). Link to Report