Hernández-Ortiz, M., G. Hernández-Padrón, R. Bernal, C. Cruz-Vázquez, and Victor Castano. “Nanocrystalline Mimetic Opals: Synthesis and Comparative Characterization Vs. Natural Stones”. International Journal of Basic and Applied Sciences 4, no. 2 (May 30, 2015): 238–243. Accessed December 5, 2025. https://www.sciencepubco.com/index.php/IJBAS/article/view/4174.