Periodic Table Protection Necklace
 
This super scientific silver bar necklace features an adjustable chain and a necklace that features a collective periodic chart carding and an elemental bar necklace that includes the seven elements Pr (Praseodymium), O (Oxygen), Te (Tellurium), C (Carbon), Ti (Titanium), O (Oxygen), N (Nitrogen). 

Dimensions: Pendant 1.45” L, .3” H; Necklace 18.6” L (Approx.)