1. Gemmological Institute, China University of Geosciences, Wuhan 430074, P. R. China
2. Institute for Advanced Marine Research, China University of Geosciences, Wuhan 430074, P. R. China
3. HuBei Gem and Jewellery Engineering Technology Research Center, Wuhan 430074, P. R. China
4. COSMOPlat Industrial Intelligence Research Institute (Qingdao) Co., Qingdao 266000, P. R. China