Natural gemstones are: olivine, garnet, Hailan Bao, white topaz, blue topaz, amethyst, topaz, citrine, ruby, sapphire and so on.

• 天然宝石主要有：橄榄石、石榴石、海兰宝、白黄玉、兰黄玉、紫晶、黄晶、茶晶、红宝石、兰宝石等。