Mining firm Gemfields boosted as Zambia relents on insistence that emeralds dug up in country are also sold there
![Mining firm Gemfields boosted as Zambia relents on insistence that emeralds dug up in country are also sold there](http://i.dailymail.co.uk/i/pix/2015/09/07/20/2C0E4F5500000578-0-image-m-84_1441653603489.jpg)
Gemfields announced £22.7m of revenue from its auction of a batch of the green stones in Singapore.
Gemfields announced £22.7m of revenue from its auction of a batch of the green stones in Singapore.