![Natural resources / Chemistry / Gemstones / Chrysoberyl / Crystallography Natural resources / Chemistry / Gemstones / Chrysoberyl / Crystallography](/pdf-icon.png)
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Company Gemstones of Africa / Obtala Resources / My Brazilian Alexandrite / / Country Tanzania / / Event Business Partnership / / IndustryTerm mining / / NaturalFeature Lake Alaotra / / Person Alan Javore / Grant Pietersen / Michael Vanevski / David Weinberg / Andrei Vesselovski / / URL http /
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