Sought-after TanzaniteOne completes queried tsavorite deal

London Aim-listed coloured-gemstone miner TanzaniteOne has completed its controversial tsavorite transaction. The company, which has been a Gemfields acquisition target, said on Wednesday that the objective was now to develop world’s largest...

Green future awaits Tanzanian gem-miner

Following its acquisition of the Lemshuku-Shamberai Tsavorite project, coloured gemstone mining company Tanzanite One has initiated a bulk sampling project on the eluvia component of the resource, and is also considering diamond drilling in terms...

Tanzanite colours perception of gem rankings

It has been 40 years since the first discovery of the tanzanite gemstone in Merelani, Tanzania, by a Masaai tribesman in a mountainous region 40-km south of Mount Kilimanjaro, but the precious mineral is, in the last few years, becoming more...