三江地区宝玉石资源主要有海蓝宝石、碧玺、黄玉、水晶、紫牙乌、芙蓉石、汉白玉等。
The Sanjiang area is rich in resources of gem jade stones , such as aquamarine , tourmaline , topaz , rock cristal , almandine , rose quartz , white marble , etc.
紫牙乌