Rocks retrieved from a mine in Muzo, Colombia, show some of what makes the country the biggest producer of high-value emeralds. (Carlos Saavedra for NPR) MUZO, Colombia — Although he has helped ...

URA Holdings PLC ( ($GB:GEMR) ) has issued an announcement. Gem Resources Plc announced that all resolutions proposed at their recent General ...

MUZO, Colombia — Although he has helped transform Colombia's emerald industry, long a source of violence and environmental damage, former U.S. diplomat Charles Burgess admits that he got into the ...

NPR ventures into a Colombian emerald mine — which used to be more dangerous, with potential explosions inside and gunfights outside. The CEO, a... Inside the emerald mines that make Colombia a global ...

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