diamond,emeralds,rubies,blue & pink tourmaline,green topaze,white topaze,topaz,garnets,aquamarine,amethyst,copper,lithium,vanadium,black granite,coltan,niobium.
Lead ore and zinc ore, including other solid minerals from africa like copper ore, lithium, kaolin, ilmenite sand, tin ore, columbite, marble, gypsum etc.