1. But Colombia has yet more to offer: now and then the Colombian emerald mines throw up rarities such as Trapiche emeralds with their six rays emanating from the centre which resemble the spokes of a millwheel.
但哥伦比亚有更多提供：哥伦比亚鲜绿色矿现在和然后投掷rarities 譬如Trapiche 绿宝石与类似millwheel 的轮幅的他们的六光芒发出从这个中心。