Tsavorite has certainly been competing with emerald for the status of the most popular green gemstone for several years. Tsavorite belongs to the garnet family and is a color variation of grossular. Grossular comes in a range of colors, including orange, yellow, brown, green and also colorless.
Tsavorite, as described earlier, is a name for the green Grossular. Its chemical formula is Ca3Al2(SiO4)3, so it is a caclium aluminum garnet. Its hardness is 7 to 7.5 on the Mohs scale, and its refractive index is in the 1.74 range. The cause of the color are chromium and vandium.
Historically, tsavorite is a very young stone. Campbell Bridges first found deposits of this great gemstone in the Lelatema Hills of northeastern Tanzania in 1967. Shortly thereafter, also by Bridges, deposits were discovered in Tsavo National Park in Kenya, which are still mined today. It owes its name to the marketing of Tiffany & Co., which marketed it as Tsavorite in reference to Tsavo National Park. Commercially relevant deposits are located mainly in Kenya and Tanzania. Tsavorites are also found in other countries, such as Madagascar, but they generally do not match the top qualities from Kenya and Tanzania. The color palette here ranges from lighter green tones to mint colors with a blue tinge to strongly saturated green. Prices for tsavorite are rising steadily, and fine qualities now easily reach four-digit carat prices.
Our tsavorite stock: