Xie, Fei; Cao, Yu; Ranchon, Cindy; Hart, Alan; Hansen, Robin; Post, Jeffrey E.; Whitney, Coralyn W.; Dawson-Tarr, Emma; Drew, Alan J.; Dunstan, David J.
(2020)
Alexandrites are remarkable and rare gemstones. They display an extraordinary colour change according to the ambient lighting, from emerald green in daylight to ruby red in incandescent light from tungsten lamps or candles. ...
