[SIZE=7]Tanzania orders wall built around tanzanite mines to end illegal trade[/SIZE]
SEPTEMBER 20, 2017 / 5:56 PM / 7 MONTHS AGO
DAR ES SALAAM (Reuters) - Tanzania’s president ordered the military on Wednesday to build walls around its tanzanite mines and directed the central bank to buy the precious stone to boost reserves - the latest twist in a spat with mining firms over alleged tax evasion.