[1] WU Wangshi. Acta Palaeontologica Sinica, 1962, 10(3): 326.

[3] Schaffer H, Chance R, Silbey R, et al. Journal of Chemistry and Physics, 1991, 94: 4161.

[4] Kaczorowska B, Hacura A, Kupka T, et al. Analytical and Bioanalytical Chemistry, 2003, 377(6): 1032.

[5] Rolandi V, Brajkovic A, Adamo I, et al. Australian Gemmologist, 2005, 22(7): 285.

[9] Klein C, Hurlcut C S jr. Manual of Mineralogy, The 22nd Edition. New York: John Wiley and Sons, Inc., 2002.