THE Emerald and Semi-Precious Minerals Association of Zambia (ESMAZ) says because of the 15 per cent export duty on emeralds, market players are now shunning to trade in the commodity. Citing Grizzly Mining which recently abandoned the auction of its gemstones due to the said duty, ESMAZ president Victor Kalesha says the new tax will make it difficult for government to collect the same resources it is targeting. On Wednesday, Gemfields Group Limited lamented the lack of notice or prior consultation regarding the re-introduction of a 15 per cent export duty on emeralds, indicating that the company would engage government to suspend this export duty or remove it from the legislation. In an interview, Thursday, Kalesha said his association was...