Silver rectangular bezels, 1.75" x 0.75" are filled with an opalescent black and gray marbled clay then sealed in resin.  The earrings use silver-plated fishhook earwires and are 2" long.  
 
All metal used is hypoallergenic, nickel-free, and is sterling silver, silver or gold-plated, or stainless steel unless noted otherwise. Every item is handcrafted, custom-made, nothing mass-produced.