Tsavorite is classed as a Type 2 gemstone by the GIA, which means it is graded less strictly than Type 1 gems like Tanzanite, but more strictly than Type 3 gems like Emerald.

AIM-listed TanzaniteOne was diversifying into coloured gemstones with plans to develop tsavorite while simultaneously scrutinising a dozen different African project opportunities, the company said ...

A tsavorite gem known as the Lion of Merelani is held by Jeffrey Post at the Smithsonian's National Museum of Natural History in Washington. (Michael E. Ruane/The Washington Post) ...

In today’s gemstone trade, traceability is more important than ever before, with clued-up buyers demanding to know exactly where their jewelry comes from. Though working closely with artisanal ...

A unique gemstone found 96 years ago in Tutankhamun's tomb was created likely by an impact in the Libyan desert some 28 million years ago.

Tsavorite is a rare gemstone originally found in Tsavo, hence its name. It is one of the highly-priced garnets on the market. The government had placed the gem among 14 strategic minerals as a ...