Tanzanite: The Gemstone of the Millennium – History, Properties, and Care

Tanzanite, a gemstone renowned for its captivating blue hue, has rapidly gained popularity since its discovery in Tanzania in 1967. Its unique characteristics and rarity have made it a sought-after gem in the jewelry world.

Tanzanite trillion cut


A Geological Marvel
Tanzanite is a variety of zoisite, a mineral belonging to the epidote group. Its distinctive blue color is due to trace amounts of vanadium. This rare combination of elements gives Tanzanite a spectrum of colors, ranging from violet to blue, depending on the crystal’s orientation and the amount of vanadium present.


The Tanzanian Treasure
As the name suggests, Tanzanite is exclusively found in the Mererani Hills of Tanzania. This limited availability has contributed to its high value. The Mererani mines are believed to have a finite lifespan, further enhancing the gemstone’s desirability.


Properties and Characteristics

  • Color: Tanzanite exhibits a wide range of blue hues, from deep violet to pale blue. The most coveted colors are those with a rich, saturated blue.
  • Clarity: Tanzanite typically has good clarity, with few inclusions visible to the naked eye. However, some stones may have natural inclusions, which can add character.
  • Cut: The cut of a Tanzanite significantly affects its appearance and brilliance. The most common cuts for Tanzanite are oval, pear, and cushion.
  • Hardness: Tanzanite has a hardness of 6.5 to 7 on the Mohs scale, making it suitable for everyday wear. However, it’s advisable to handle it with care to prevent scratches.
    Tanzanite in Jewelry
    Tanzanite’s versatility has made it a popular choice for various jewelry designs. Its beautiful blue color complements both precious and semi-precious gemstones, allowing for stunning combinations. Tanzanite rings, earrings, necklaces, and pendants are particularly sought after.
    Ethical Considerations
    The ethical sourcing of Tanzanite is crucial. It’s essential to choose jewelry from reputable retailers who can guarantee the ethical origin of their gemstones. Supporting ethical practices helps to protect the environment and the livelihoods of local communities.
    Care and Maintenance
    To preserve the beauty of your Tanzanite jewelry, follow these care tips:
  • Clean regularly: Gently clean your Tanzanite jewelry with warm soapy water and a soft cloth.
  • Store safely: Store your Tanzanite jewelry in a soft pouch or a jewelry box to prevent scratches.
  • Avoid harsh chemicals: Avoid exposing your Tanzanite to harsh chemicals, such as chlorine and ammonia.
    In conclusion, Tanzanite is a captivating gemstone that offers a unique combination of beauty, rarity, and versatility. Its growing popularity and limited availability make it a valuable addition to any jewelry collection. By understanding its properties and ethical considerations, you can make informed choices when purchasing Tanzanite jewelry.

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