SPECTROSCOPIC THERMAL VARIATION AND COLOR MECHANISM OF KUH-I-LAL PINK SPINEL FROM TAJIKISTAN
LIU, Yicen, ZHOU, Zheng-yu and QI, Li-jian, Gems & Technological Material Lab., Tongji University, Boyi Bldg., Suite 707 , North Zhongshan Rd., Shanghai, 200070, China