Tsavorite garnet is a green to emerald colored variety of grossular garnet, which is composed of calcium aluminum silicate. The intense green of tsavorite is owed to traces of vanadium or chromium. This desirable hue can cause tsavorite to be mistaken for fine emeralds. Tsavorite garnet ranges in color from bright yellowish green to deep green or bluish green. The most desired color is an intense, highly saturated green, or a medium bluish to medium-dark green.Tsavorite garnet is transparent to opaque with a vitreous lustre. It has a high refractive index, which gives it a good level of brilliance. Tsavorite gemstones should be eye-clean, meaning that no inclusions can be seen with the naked eye.