Ma Man Kei and Lo Pak Sam College invited Prof. Zhang Xuan Jun, assistant Professor from the Faculty of Health Science of the University of Macau to a give a lunch seminar entitled “The Chemistry in Daily Life – Basic Knowledge of Jewelry and Jade” on 21st March, 2018. In the talk, Prof. Zhang shared with students the basic knowledge on how to grade diamond and gem stones. He also showed students on how to distinguish the real jade and gem stones from the fake ones.

MLC lunch seminar by Prof Zhang Xuan Jun