This document lists and describes 5 top gemstones found in Africa: topaz, which is found in yellow, golden brown, and blue shades; ruby, for which Africa is famous and its rubies are in high demand; garnet hessonite, a popular historical gemstone often made into necklaces; zircon, one of the oldest gemstones traditionally blue in color; and tanzanite, a blue and violet gemstone exclusively found in Tanzania.