[1] [1] Gavryushkin P N, Martirosyan N S, Inerbaev T M, et al. Crystal Growth & Design, 2017, 17(12): 6291.

[2] [2] Maruyama K, Kagi H, Komatsu K, et al. Journal of Raman Spectroscopy, 2017, 48(11): 1449.

[3] [3] Ono S, Kikegawa T, Ohishi Y. American Mineralogist, 2007, 92(7): 1246.

[4] [4] Suito K, Namba J, Horikawa T, et al. American Mineralogist, 2001, 86(8-9): 997.

[5] [5] Koch-Müller M, Jahn S, Birkholz N, et al. Physics and Chemistry of Minerals, 2016, 43(8): 545.

[6] [6] Liu C, Zheng H, Wang D. et al. High Pressure Research, 2017, 37(4): 545.

[7] [7] Mirwald P W. Contributions to Mineralogy and Petrology, 1976, 59(1): 33.

[8] [8] Dove M T, Swainson I P, Powell B M, et al. Physics and Chemistry of Minerals, 2005, 32(7): 493.

[9] [9] Antao S M, Hassan I, Mulder W H, et al. Physics and Chemistry of Minerals, 2009, 36(3): 159.

[10] [10] Ishizawa N, Setoguchi H, Yanagisawa K. et al. Scientific Reports, 2013, 3: 2832.

[11] [11] Bagdassarov N S, Slutskii A B. Phase Transitions, 2003, 76(12): 1015.

[12] [12] Wang M, Shi G, Qin J, et al. European Journal of Mineralogy, 2018, 30(5): 939.

[13] [13] Liu L G, Mernagh T P. American Mineralogist, 1990, 75(7-8): 801.

[14] [14] Bischoff W D, Sharma S K, MacKenzie F T, et al. American Mineralogist, 1985, 70(5-6): 581.

[15] [15] Gillet P, Biellmann C, Reynard B, et al. Physics and Chemistry of Minerals, 1993, 20: 1.

[16] [16] Hagen M, Dove M T, Harris M J, et al. Physica B: Condensed Matter, 1992, 180: 276.

[17] [17] Dove M T, Powell B M. Physics and Chemistry of Minerals, 1989, 16(5): 503.