This rock glows
Most sodalite will fluoresce orange under ultraviolet light
Electromagnetic radiation (light from the UV flashlight) is absorbed which then re-emits radiation at a longer wavelength – in this case, the yellow glow 1/
https://t.co/0Uh3Ww7W3U
I had the pleasure of meeting Archbishop Desmond Tutu once, and he was one of the most lovely humans I've ever had the privilege of encountering.
May he rest with the angels