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.
Article History
Received: 20 January 2020
Accepted: 18 March 2020
First Online: 9 April 2020
Competing interests
: E.D.T. owns Absolute Action Ltd which has supplied lighting adapted for alexandrites to the Smithsonian Institution (Washington) and the Natural History Museum (London). D.J.D. acts in an unpaid advisory role to Absolute Action Ltd. A.H., R.H. and J.E.P. are staff of the museums and were involved in the procurement of the lighting from Absolute Action Ltd. C.W.W. donated valuable alexandrites to the Smithsonian, of which she is a member of the Board.