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An analysis of the commercial potential of Ethiopia’s coloured gemstone industry
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Sapphires from northern Ethiopia
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Colombian mining sustainability
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The history of emerald mining in Colombia
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The Global Gem and Jewelry Power of the Pink City
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The agate industry and silicosis in Khambhat
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Rhodochrosite from Brazil
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
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Assessment of Afghanistan Gemstone Industry (2007)
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