Top 10 World's Rarest Gems

Top 10 World’s Rarest Gems

Top 10 World’s Rarest Gems Tanzanite: Found only in the foothills of Mount Kilimanjaro in Northern Tanzania, this blue-purple stone is a highly prized color-shifting gem. Taaffeite: It is named for Australian gemologist Richar Taaffe, who discovered a cut and polished specimen of the stone in 1945. Only a handful of these previous stones have […]