The world’s largest producer of green stones has unearthed a 5,655-carat emerald crystal at its mines in Zambia. The stone, which weighs more than 1.1 kg (almost 2.5 lbs), was found at the ...

Raleigh, North Carolina: An emerald so large it's being compared with the crown jewels of Russian empress Catherine the Great was pulled from a pit near corn rows at a North Carolina farm. The ...

The world’s largest producer of green stones has unearthed a 5,655-carat emerald crystal at its mines in Zambia. The stone, which weighs more than 1.1 kg (almost 2.5 lbs), was found at the ...