Guo Ying, Professor, Dean of the School of Gemmology, China University of Geosciences (Beijing). He received a Master's degree in mineralogy, petrology and mineral deposit geology from CUGB in 1998 and a PhD degree in 2001. Mainly engaged in teaching and research on gemology, mineralogy, colorimetry and Chinese traditional jade culture.
China University of Geosciences
Beijing, China