Three - quarrel - river belt of NW Yunnan is rich in the resources of gem - jade stones , such as aquamarine , tourmaline , topaz , rock crystal , aventurine quartzite , smithsonite , serpentine jade and purplish red jasper rock , etc.
滇西北三江并流带宝玉石资源主要有海兰宝石、碧玺、黄玉、水晶、东陵石、菱锌矿、蛇纹石质玉(岫玉)和紫红色碧玉岩等。