UMBALITE GARNET              

UMBALITE GARNET
Occasionally traces of spessartite garnet in the mixture will producea very unusual color, a rich, velvety purple. This rare violet variety of rhodolite is called umbalite,named after the valley in Tanzania where it is found.
(Chapter from the Book “Gemstones. Terra Connoisseur” by Vladyslav Yavorskyy)