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 ‡
       

SEM images of samples (a) of the glass material, (b) synthesized at temperature 1140 °C and pressure 3.5 GPa, (c) synthesized at temperature 1200 °C and pressure 3.5 GPa, (d) obtained at temperature 1260 °C and pressure 3.5 GPa, (e) obtained at temperature 1320 °C and pressure 3.5 GPa and (f) natural jadeite.