Tanzanite: A Rare Gemstone of Singular Beauty – Origins, Value, and Care

Tanzanite is more than just a gemstone—it’s a geological wonder with a story as captivating as its brilliant hues. Discovered in 1967 and found exclusively in Tanzania, near the foothills of Mount Kilimanjaro, tanzanite is considered one of the world’s rarest gemstones. Experts estimate that the supply could be depleted within a generation, adding an element of urgency to its already growing allure.

The Origin of Tanzanite: A One-Place Wonder

Unlike most gemstones that can be found in multiple regions across the globe, tanzanite occurs in only one place—a 4-kilometre strip of land in the Merelani Hills of northern Tanzania. This geological exclusivity is due to the unique conditions under which tanzanite formed: a rare combination of vanadium-rich minerals and intense tectonic activity (GIA, n.d.). Because of this limited supply, tanzanite is often referred to as a “one-generation gemstone.”

The Allure of Color: What Makes Tanzanite Unique

One of the most striking features of tanzanite is its pleochroism, which means it can show different colors—violet, blue, and burgundy—depending on the viewing angle. The most prized tanzanites exhibit a deep, saturated blue with violet undertones, rivaling even the finest sapphires in appearance.

Heat treatment is commonly used to enhance these colors, which is accepted in the industry and does not diminish the gem’s value (GIA, n.d.).

Understanding the Four Cs of Tanzanite

Like diamonds, tanzanites are graded using the Four Cs: Color, Clarity, Cut, and Carat weight.

• Color: The most valuable tanzanites are vivid blue with violet flashes. Paler stones are less expensive but still beautiful.

• Clarity: Tanzanite is often eye-clean, though inclusions may be present. Eye-visible inclusions can impact the stone’s value.

• Cut: The right cut enhances pleochroism. Oval and cushion cuts are common, but custom shapes can highlight color shifts better.

• Carat Weight: Larger stones tend to exhibit deeper color saturation, often commanding a higher price per carat.

Caring for Tanzanite Jewellery

While tanzanite is a breathtaking gemstone, it’s not as hard as diamonds or sapphires, rating about 6 to 7 on the Mohs scale of hardness. This means it can be scratched or chipped more easily and requires extra care.

Here are some key care tips:

• Avoid ultrasonic and steam cleaners. Instead, gently clean with warm, soapy water and a soft brush.

• Store separately to prevent scratches from harder stones.

• Remove jewellery before engaging in rigorous activities, including exercise or housework.

• Avoid sudden temperature changes and exposure to high heat, which can damage the stone.

Why Choose Tanzanite from Prins and Prins?

At Prins and Prins, we take pride in offering ethically sourced, expertly graded tanzanite jewellery set in exquisite designs. Whether you’re seeking a dazzling engagement ring or a statement pendant, each of our tanzanite pieces is hand-selected for its exceptional quality and brilliance.

We also provide professional advice on gemstone care, valuation, and certification, ensuring that your investment is both beautiful and enduring.

Conclusion: A Legacy in Every Stone

Tanzanite’s rarity, origin, and mesmerizing color make it one of the most coveted gemstones on the market today. As supply dwindles, owning a piece becomes more than just a fashion choice—it becomes a legacy. Whether you’re treating yourself or choosing a meaningful gift, tanzanite jewellery from Prins and Prins offers timeless beauty backed by expert craftsmanship.