Alrosa recovers huge yellow diamond from Yakutia mine

MINEX Forum | December 18, 2017
img0 98.63 carats diamond. Photo by Alrosa. The world’s largest diamond producer by output, Alrosa (MCX:ALRS), announced today the recovery of a large gem-quality diamond of 98.63 carats from its historic Jubilee (Yubileynaya) pipe, located in the eastern Republic of Yakutia. The octahedron crystal has inclusions of olivine, graphite and sulphide, is transparent yellow-tinted and measures 28.96 х 28.03 х ...

Initial reserve estimate confirms Nezhda viability – Polymetal

MINEX Forum | November 16, 2017
img0 LSE-listed gold and silver miner Polymetal on Monday published an initial ore reserve estimate for the Nezhdaninskoye (Nezhda) gold deposit, in Yakutia, reaffirming the project’s economic viability. Nezhda, which is the fourth largest gold deposit in Russia, is estimated to have an openpit ore reserve of 15.5-million tonnes with an average gold-equivalent (GE) grade of 4 g/t for two-million ounces of GE contained. Additional mineral resources are estimated at ...

KAZ Mineral PLC to recognize Aktogay plant’s production in reports

MINEX FORUM | October 2, 2017
img0 KAZ Minerals PLC announces that following continued commissioning progress the Aktogay sulphide plant has been declared commercial. Revenues, operating costs and interest expenses associated with the Aktogay sulphide plant will be recorded in the Group’s income statement from October 2017. Higher than anticipated copper grades at the top of the ore body and the successful ...