Adamo I., Pavese A., Prosperi L., Diella V., Merlini M., Gemmi M., Ajo D. (2005) Characterization of the new Malossi hydrothermal synthetic emerald. G&G, Vol. 41, No ...

Zambia, the world’s second largest emerald producer after Colombia, first implemented the ... Gemfields’ 75%-owned local subsidiary, Kagem Mining, will face an effective revenue tax of 21% ...

In Colombia, though, a peculiar thing happened ... Alexander and Henry vanished on their way to a business meeting. From a ...

This is before factoring in the 30% corporation tax. In comparison, Brazil and Colombia, the world’s other top emerald exporters alongside Zambia, have significantly lower taxes. Gemfields ...

BOGOTA - Zijin Mining has paused production at its Buritica gold mine in Colombia after assailants armed with homemade bombs damaged a key power source, the company said on Saturday. The attack ...

Zijin Mining (601899.SS), opens new tab has paused production at its Buritica gold mine in Colombia after assailants armed with homemade bombs damaged a key power source, the company said on Saturday.

(IDEX Online) - Gemfields is reeling from the shock imposition of a 15 per cent export duty on the emeralds it mines in Zambia. The duty on precious gemstones was originally ... 21 per cent (in ...

But the Iconoclast also managed to keep such Rice stocks as Idaho Copper, General Mining and Colombia Emerald constantly in his readers’ minds. He even had his own stock exchange, the Boston ...

The Buritica mine is located in northwest Colombia, about 90 kilometers (56 miles) from Medellin, the country's second-largest city. Armed attacks that sometimes employ explosives against workers ...

Mining group, Gemfields has become aware of a new statutory instrument ... meaning that Kagem faces an effective tax on revenues of 21% (in addition to corporation tax of 30%). Brazil, Colombia, and ...