News & Updates
ACACIA Update on Discussions in Tanzania
Released : 20 Feb 2019 12:14:00 20 February 2019 Update on Discussions in Tanzania
Knowledge on Synthetics and Imitations of Tanzanite
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?
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 […]