The genesis of color zonation of emerald from Dayakou, Yunnan Province: implication for multi-stage mineralization
YU Xiaoyan, ZHENG Yuyu, ZHANG Tingya, GUO Hongshu, LONG Zhengyu, WAN Jiaxin, ZHANG Cun
Earth Science Frontiers . 2020, (5): 116 -125 .  DOI: 10.13745/j.esf.sf.2020.5.48