Red ruby, blue ruby , green quartz, aquamarine, spinel green aquamarine.
Africa's natural gemstones including diamond, tsavorite, tanzanite, sapphire, emerald, tourmaline, topaz, mossanite, beryl, chrysoberyl, corundum, feldspar, garnet, jade, lazurite, olivine, opal, quartz, spinel and turquoise..