Overview Of Tanzania Mining (Local Content)

February 21, 2019 0

Stake of Tanzanian citizen(s) in an “indigenous Tanzanian company” has been reduced from 51% to 20% Time for the Committee to review local content plan is extended from 25 to 60 working days Time for […]

WHY INVESTING IN TANZANIA GOLD VAT LEACHING PROCESS PLANT

February 18, 2019 0

Tank and vat leaching involves placing ore, usually after size reduction and classification, into large tanks or vats at ambient operating conditions containing a leaching solution and allowing the valuable material to leach from the ore into solution. Cyanide tank construction  Cyanide […]

Knowledge on Synthetics and Imitations of Tanzanite

February 13, 2019 0

By Eng.Gilay Shamika Engineer & Gemologist – TMAA Email: gshamika@tmaa.go.tz Tanzania Minerals Audit Agency has accredited laboratory with ISO 17025/IEC. The Laboratory core activity is to analyse samples from Large Scale, Medium and Small Scale […]

What is Emerald Gemstone?

February 13, 2019 0

                  Picture 1: Rough Sapphire                      Emerald name comes from Greek word meaning green. Before, Greeks called all gemstones with green color Emeralds until when gemological knowledge categorized other green colored gemstones according to their refractive […]