The document lists various precious stones including diamond, ruby, pearl, emerald, yellow sapphire, blue sapphire, hessonite, amber, amethyst, zircon, topaz, tanzanite, garnet, turquoise, opal, aquamarine, lapis lazuli, cat's eye, and quartz. It was created by Prashant Mahajan to share information about precious stones with students and parents based on helping his son with school assignments.