Comment on "Petrogenesis of gem sapphire in a pegmatite-aplite vein from the Alvand batholith, Western Iran" (2020) by R. Sheikhi Gheshlaghi, M. Ghorbani, A. A. Sepahi, R. Deevsalar and R. Shinjo. - Sajjadi Alehashem, Fariba; Moazzen, Mohssen (Mineralogy & Petrology, 2022)