Crystal or Treat? Hallowe'en at Crystalli!
31 October 2014 - 2 November 2014
A game for schoolchildren was organized over the Halloween weekend at the CRISTALLI! exhibition in Parma. Children had to answer questions about crystals and look for the answers around the exhibition. They could win a Diploma of Expert Crystallographer, a mineral, and some IUCr/IYCr gadgets.