1. School of Gemology
2. China University of Geosciences
3. Beijing 100083
4. China
5. Jewelry and Mineral Materials Laboratory of Experimental Teaching Demonstration Center
6. Academy of Arts & Design
7. Tsinghua University
8. Beijing 100084
9. Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes
10. National Laboratory of Mineral Materials
11. School of Materials Sciences and Technology