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Tsavorite is a rare, green grossular garnet prized for its intense, vibrant green color, which is due to trace amounts of vanadium and chromium. Discovered in the 1960s in East Africa and named after the Tsavo National Park in Kenya, it offers brilliant sparkle and good durability, making it a highly desirable and precious gemstone. Tsavorite's quality is judged by the 4Cs (color, clarity, cut, and carat weight), with fine, large stones (over 3-5 carats) being especially rare and valuable.

Key Characteristics

• Color:

  A vivid, pure green, sometimes with a hint of yellow or blue, depending on the presence of vanadium and chromium.

• Clarity:

  Tsavorite often has few inclusions and is generally untreated, a significant advantage compared to emeralds.

• Brilliance:

  Its high refractive index gives it exceptional brilliance and a fiery glow, making it sparkle intensely.

• Durability:

  With a hardness of 7-7.5 on the Mohs scale, it's durable for jewelry, less brittle than emeralds, and well-suited for various settings.

• Rarity:

  Fine stones, especially those over 3-5 carats, are exceedingly rare due to the challenging nature of its underground formation and mining process.

Origin and Name

• Origin:

  First discovered in Tanzania in 1967, with significant mining later expanding into Kenya and other areas like Madagascar.

• Name:

  It was named by British geologist Campbell Bridges after the Tsavo National Park in Kenya, where it was later found in commercially viable quantities.

Value and Quality

• The 4Cs: Like diamonds, tsavorite's value is assessed using the four quality factors: color, clarity, cut, and carat weight.

• Color: The intensity and purity of the green hue significantly impact its price.

• Size: Larger tsavorites are much rarer and command higher prices.

• Treatment: Unlike some gemstones, tsavorite is typically not treated, adding to its value and desirability.