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Certified Natural Tanzanite ()

Tanzanite is a trichroic blue-violet variety of zoisite discovered in 1967 and, remarkably, mined nowhere else on Earth but the Merelani Hills at the foot of Mount Kilimanjaro. Almost all tanzanite on the market is heat-treated to develop its blue-violet color — a standard, disclosed practice, not a defect.

Every stone is independently lab-certified and treatment-disclosed, with the certificate shared before you pay — the same standard as our authenticity & certification promise across the site.