The Rare and Beautiful Gemstone
Tanzanite, known for its mesmerizing blue and violet hues, is a gemstone that has captivated gem enthusiasts since its discovery in the 1960s. This strikingly beautiful gemstone is a variety of the mineral zoisite and is prized for its vibrant color, which can range from deep blue to rich violet. Tanzanite's unique trichroism (showing different colors depending on the angle of light) makes it a highly sought-after gem for fine jewelry. With a Mohs hardness rating of 6 to 7, tanzanite is durable enough for everyday wear yet should be treated with care.
History and Lore
Tanzanite's relatively recent discovery in 1967, in the foothills of Mount Kilimanjaro, makes it one of the most modern and rare gemstones on the market. The gem was first identified by a local Maasai tribesman and later marketed by Tiffany & Co., giving it the name "tanzanite" after its sole source in Tanzania. Tanzanite quickly gained popularity due to its rare and beautiful color, making it one of the most coveted gemstones. In addition to its visual appeal, tanzanite is often associated with transformation, spiritual growth, and positive energy.
Types of Tanzanite
Tanzanite is generally available in shades of blue, violet, and purple, with the best stones exhibiting a deep blue to violet color. The gem's color can range from lighter, pastel hues to rich, intense blue or purple tones. Tanzanite can also exhibit a variety of patterns, including a trichroic effect, where different colors are seen when viewed from different angles. While tanzanite comes in different grades, the most valuable stones are those that show a deep blue or violet color with minimal inclusions. The rarity of high-quality tanzanite makes it a prized possession for collectors and jewelry enthusiasts alike.
Tanzanite Treatment Process
Most tanzanite stones are heat-treated to enhance their color, a common and accepted practice in the gem industry. Natural tanzanite can range from a brownish to greenish hue, but heating at relatively low temperatures (around 700 to 800 degrees Celsius) can transform the gemstone into a brilliant blue or violet. This treatment is permanent and does not require special care. These treatments are widely accepted in the gem industry and help maintain the stone's beauty and longevity. Tanzanite may also be cut in various shapes, including oval, cushion, and emerald cuts, to maximize its color and brilliance.
Country of Origin
Tanzanite is found only in one place on Earth: the Merelani Hills of northern Tanzania, near Mount Kilimanjaro. The scarcity of this gemstone, due to its limited geographic location, adds to its value. As the sole source of tanzanite, the area has been the focus of international attention, with efforts to ensure sustainable mining practices and protect the gem’s future availability.
Tanzanite in Jewelry
Tanzanite’s striking color and rarity make it a popular choice for high-end jewelry, including rings, necklaces, earrings, and bracelets. Its vibrant blue to violet hues complement a wide range of metal settings, from silver to gold. Tanzanite is especially sought after in rings, where its unique color can symbolize the rarity and special nature of a relationship. Additionally, its trichroic nature means that the gemstone will appear differently depending on the lighting and angle, adding an element of intrigue and beauty to every piece.
Care and Maintenance
Due to its relative softness compared to other gemstones, tanzanite requires some special care to maintain its beauty over time. To keep your tanzanite jewelry looking its best:
- Cleaning: Clean tanzanite with a soft cloth or a mild solution of warm water and dish soap. Avoid harsh chemicals or ultrasonic cleaning, which could damage the stone.
- Storage: Store tanzanite jewelry separately from other harder gemstones to prevent scratching. A fabric-lined jewelry box or pouch is ideal.
- Avoid Impact: Tanzanite can be prone to breaking if exposed to hard impacts or extreme temperatures, so handle with care and avoid wearing it during activities that could cause damage.
More information on caring for your tanzanite jewelry can be found here.
Conclusion
Tanzanite is a truly remarkable gemstone, prized for its rare and captivating colors, as well as its fascinating history. Its limited geographical origin, combined with its stunning appearance, makes it one of the most sought-after gems in the world today. Whether used in an engagement ring or a statement piece of jewelry, tanzanite's beauty and significance continue to capture the imagination of gem enthusiasts and collectors around the globe.
