Blue sapphire, emerald, ruby, rough, faceted, polished, cabachon
Colored gem stone, ruby, sapphire, emerald, spinel, tourmaline, opal, aquamarine, chrysoberyl, alexandrite, cats eye, zircon, garnet, hessanite garnet, amethyst, tanzanite, green garnet (savourite), peridot, quartz, beryls, green beryl