Göttingen University researcher Fiorella Arduin Rode working in open pit mine of the study area, Los Catalanes mining district, northern Uruguay. Along with Ametista do Sul in southern Brazil, these ...
TYLER, Texas (KLTV) - If you’re looking for something solid to do this weekend, well we have something for you. It doesn’t get much more solid than the East Texas Gem and Mineral Show. This is truly a ...
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