This necklace is the perfect gift for anyone that respects and loves science as much as I do. The glass tile pendant is 7/8" square with the periodic table tile for carbon underneath...above a beautiful picture of a butterfly! Each necklace comes with a high-quality aanraku bail, an 18" silver plated ball chain and a cool hand-made envelope with all the science explained. This is truly the ultimate in geek gift giving.
The pendant is not waterproof so it should not be worn while showering or swimming.