Most of the green gemstones are extracted from a maze of ... the author of a book on Colombia's emerald mines. Disputes for control over the industry set off what was known as a "green war ...

The emerald had been plucked from a mine ... the two Brazilians who took possession of the stone after it was pulled from a mine in 2001. What happened to the rock for the next 23 years is the ...

The ministry has also granted licenses to mine rubies in Panjshir and Kabul Provinces, Mr. Afghan said, and plans are underway for emerald and precious stone licenses in three other provinces.

Rough emerald producer Grizzly Mining generated revenue of $24.8-million ... This included the sale of the exceptional 6 620 ct Pilala stone, an emerald with intense fluorescent colour exhibiting ...

Inside the emerald mines that make Colombia a global giant ... world's largest producer of high-quality emeralds. Most of the green gemstones are extracted from a maze of shafts that extend ...