I normally use a 365 NM flashlight to show how glass object glows.
Godinger Crystal Legend Handcrafted 24% Lead Crystal Small Ashtray
Godinger Crystal Legends Handcrafted Crystal Dice Set – Original Red Velvet Box
ROYAL CRYSTAL ROCK - ONEIDA - 24% LEAD CRYSTAL EAGLE with CLOCK - Working Clock
Vintage Phonix West German Crystal Glass Bell, 24% Lead Crystal Original Sticker
Lead Crystal Glass Bell 24% PbO Cut Crystal Decorative Collectors Bell
ROYAL CRYSTAL ROCK - ONEIDA - 24% LEAD CRYSTAL EAGLE with CLOCK - NEEDS BATTERY
