For colored gems, that generally means top color; and so it is with emeralds: More often than not, emeralds of the finest color have come from Columbia.

• 有色宝石，一般是指顶端的颜色;等，这是与祖母绿：更多的，往往不是祖母绿最优秀的颜色来自哥伦比亚。