Synthesis and characterization of NaAlSi2O6 jadeite under 3.5 GPa
Li Gang, Wang Jian, Li Ya-Dong, Chen Ning, Chen Liang-Chao, Guo Long-Suo, Zhao Liang, Miao Xin-Yuan, Ma Hong-An †, Jia Xiao-Peng ‡
       

(color online) Raman spectra of synthetic samples by HPHT.