A rare form of garnet with an unusually high index of refraction, which has always been highly desired by gemstone collectors and jewelry designers. It was introduced to the world about 200 years ago when it was discovered in in Spessart, Bavaria. And while in the gem trade the name Spessartite is more frequently use, a lot of people prefer to call it Mandarin garnet, because of it's color. And we can't blame them. Just look at this fiery orange Mandarin garnet cushion weighing 10.32 carat.
Rhodolite describes a rose-red form of Garnet that has a lighter tone and more purplish color than typical Garnet gemstones. It is usually an intermediary variety between the Pyrope and Almandine series, usually containing more magnesium than iron in its chemical structure, thus leaning closer towards Pyrope. It is often regarded as a variety of Pyrope.