Tanzanite gemstones, prized for his or her vivid blue-purple hues, originate exclusively from Tanzania. Uncovered in 1967, These are valued for their rarity and beauty, often Employed in jewellery. Find out about their characteristics, mining, grading, and recognition while in the gemstone industry. https://johnathanwner53186.blogoscience.com/34154293/the-timeless-beauty-of-tanzanite-jewellery-a-collector-s-tutorial