Mr Monkey found a cabinet full of lumps of rock. While he was looking at them the ordinary light changed to ultraviolet and the minerals started glowing in the dark. When he'd seen that happen a few times, Mr Monkey left the museum.
You can read about fluorescent minerals at the Amethyst Galleries website.
Return to Mr Monkey at the Museum of Natural Sciences
Copyright Rik Shepherd and Mr Monkey. This page last modified 5 July 2007