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 ...

In Colombia, The Gem Odyssey tours will include trips to emerald mines in Bogotá, Muzo and Chivorwill. Colombian emeralds are considered by the many in the profession to be the best in the world.

The gem ranges in hues of green ... Other countries and continents that mine emeralds include Brazil, Africa, Pakistan and Afghanistan, the Geological Institute of America reports.

Phase 1 of the restart at the Gravelotte emerald mine has been under way for about six months, Gem Resources has said. During this period, the company has processed about 5 500 t of ore ...

London-listed Gem Resources has sold 8 130 ct in its first sales tender for emeralds produced from the Gravelotte mine, in South Africa’s Limpopo province. Having generated $43 000 from the ...

The country is rich in copper, gold, zinc, chromite, cobalt, lithium and industrial minerals, as well as in precious and semiprecious gemstones like emeralds, rubies, sapphires, garnets and lapis ...

Sparkling diamonds and verdant emeralds are some of the ... Tracking the global production of any gemstone other than diamonds is difficult because mines are spread across the globe and are ...

Most of the green gemstones are extracted from a maze ... just a tiny portion of the profits when they found emeralds, but at the mine in Muzo they now receive regular paychecks and benefits.