TEKBAS CANDAR*, M., and F. ISLER†. “Geochemical Properties of Fire Opal Occurences in KüTahya (SW Turkey)”. Asian Journal of Chemistry 22, no. 1 (January 24, 2024): 815–817. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/16713.