A delegation of intl visitors spent the day at the TanzaniteOne mining operation ...

Tanzania, the world’s only known source of tanzanite, boosted output of the blue gemstones by 17 percent last year, as the country introduced a certification program to boost exports.

Women living in the villages and hills of the Mererani tanzanite mines

Women entrepreneurs among the pastoralist communities living near the tanzanite mines

Tanzanite beadmaking workshops article

In 1997, a South African entrepreneur named Mike Nunn ...

Ruth Greico - Romancing the Stones

TanzaniteOne Mining, a Richland Resources' unit, is eyeing listing on the Dar es Salaam Stock Exchange

Tanzanite One Mining Limited works on the final stages of listing on the Dar es Salaam Stock Exchange (DSE).

Richland Resources Ltd, owners of TanzaniteOne working on final stages of listing....

Richland Resources Ltd, the gemstones producer and developer today announces a JORC compliant resource upgrade for its tanzanite mining operation in Tanzania.

Richland Resources yesterday announced a resource upgrade

Gemstone industry bullish on Tanzanite

Manyara Regional Commissioner Elaston Mbwilo has ...

a brand-new market for tanzanite...