Two couples find 400+ carats of emeralds in North Carolina mine. March 27, 2012— -- Jamie Hill thought he found a new way to make money by opening up his aging emerald mine to amateurs at $25 a ...

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 ...

COSCUEZ, Colombia/TORONTO (Reuters) - A tiny company is trying to breathe new life into a fabled, four-century-old Colombian emerald mine without triggering unrest among wary locals who fear being ...

Jaipur: The rocky spine of the Aravallis in Rajasthan, one of the world's oldest mountain ranges, once again found itself at the crossroads of conserv.

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 ...

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 ...