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. Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes
7. National Laboratory of Mineral Materials
8. School of Materials Sciences and Technology
9. Institute of Physics
10. Polish Academy of Sciences
11. Warsaw 02-668
12. Poland
13. Qinghai Provincial Key Laboratory of New Light Alloys
14. Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming
15. Qinghai University
16. Xining 810016
17. PR China