by Atwater » Apr 27, 2019 I am considering a red spinel. The posted pictures look nice to me. The description says the very best color of a Burmese red spinel, highly saturated, super strong fluorescence. There’s no dark-field to be observed in this stone. Indoor indirect natural light, no artificial light: The description says strong fluorescence: I crop the following two pictures from an indoor video and an outdoor video. outdoor: Indoor: I am buying a red spinel for the first time. Your opinions will be much appreciated!