Rock phosphate and cement from egypt . fertilizers and urea ..
Aluminium, lead, copper, graphite, ruby, tanzanites, tsavorite or tsavolite.
Gemstones, sapphire, ruby, emerald, tourmaline, apatite, aquamarines, alexandrite, garnet, tsavorite, demantoid, sphene, spessartite, topaz, labradorite, amethyst, spinel, opal, citrine, jadeite, quartz.