Figure 2 图2 Beryl Crystals (IMAGE) Science China Press Caption (a) These are beryl crystals observed in the outcrops. Euhedral, columnar beryl crystals are marked by the red circles. (b) BSE image of columbite with oscillatory zoning from the Himalaya (a)野外露头上发现的海蓝宝石晶体;(b) 喜马拉雅淡色花岗岩中具有韵律环带的铌铁矿族矿物 Credit �Science China Press 《中国科学》杂志社 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.