TanzaniteOne Mining Ltd is the world’s largest and most scientifically advanced miner and supplier of the rare and precious gemstone Tanzanite.

Our unique position as the globes leading miners of the gemstone, our advanced onsite faceting and polishing facilities combined with distribution and manufacturing partnerships held with prestigious international gem and jewellery companies allows us to support and influence the entire Tanzanite chain, from mine to market.

To continue being the world’s leading Tanzanite Mining Company requires constant evaluation and improvement of processes to ensure safety, profitability and social responsibility.

TanzaniteOne is the worlds leading Tanzanite Company.  Our Tanzanite mining operation – the largest and most advanced Tanzanite mine in the world, our precision cutting and polishing facilties and our supply partnerships with prestigious international gem and jewellery companies mean we are involved in every step of our ethical Tanzanites journey, from mine to market.

We own the mining licence for Block C – a significant portion of the only known Tanzanite producing resource, located in the foothills of Mt Kilimanjaro, Tanzania. We also own extensive prospecting licences for potential mining areas adjacent to this.

Our state-of-the-art facility produces a consistent and high quality supply of  Tanzanite and our processes always take into account the environmental and social impact.Employing best business practices and providing total transparency across the business, is vital. From mine to market, each step of our Tanzanite’s journey is rigorously monitored to guarantee the most ethical, socially responsible and environmentally-friendly operating standards possible.

By strictly adhering to existing laws that uphold human rights and justice, we ensure our Tanzanite is conflict free. You can be confident that gemstones mined by TanzaniteOne have never contributed to any bloodshed or violence.

You can buy our tanzanite worldwide through our distributors, at our online boutique TanzaniteOne Online , or our Tanzanite Experience retail stores located in Tanzania and South Africa