Alphabetical Listing for X

• Xie F, Cao Y, Ranchon C, Hart A, Hansen R, Post JE, Whitney CW, Dawson-Tarr E, Drew AJ, Dustan D (2020) Explanation of the Colour Change in Alexandrites. Scientific Reports 10, 6130.
• Xiong Y, Chen Q (2008) Visible absorption spectrum characteristics of Qingu turquoise from Hubei province. Baoshi He Baoshixue Zazhi 10, 34-37. (In Chinese)