Tanzanite is only sourced in one remarkable place in the World! Tanzania. Tanzanite’s rarity and exotic origin are part of its fascination and enduring appeal. This modern gemstone was unknown until 1967, when Massai herdsmen in eastern Africa noticed blue crystals sparkling in the sun. Tanzanite’s dramatic discovery, coupled with its scintillating beauty, caused a worldwide sensation. To date, the world’s only source for the gem remains the hills of northern Tanzania in the foothills of Mount Kilimanjaro. No-one knows when this mine will run out. An expensive and rare gemstone being a recent gemmological find; it is celebrated as the gemstone of the 20th century.