Two silver round bezels, 12mm and 14mm are filled with opalescent red, black, and white marbled clay then sealed in resin.  The bezels are then connected.  The earrings use silver-plated fishhook earwires and are 1.5" 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.