1. CAS Key Laboratory of Mineralogy and Metallogeny/Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, P. R. China
2. University of Chinese Academy of Sciences, Beijing 100049, P. R. China
3. CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, P. R. China
4. Department of Natural Resources and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States