ZAMBIA’S emeralds earned Kagem Mining Ltd $27.2 million in a Singaporean gem sale held this week. Kagem Mining Ltd, hosted a successful auction of Zambian emeralds from the mine in Lufwanyama this week, monitored by officials from the Ministries of Finance and Mines and Minerals Development. This was Kagem’s 34th auction since UK-based Gemfields acquired…