Cobalt blue wire is twisted into very loose coils from which 8mm bluish-gray crystal rondelles hang.  The earrings use silver-plated leverback earwires and are 1.75" long.
 
All metal used is hypoallergenic, nickel-free and either sterling silver, silver or gold plated or stainless steel unless noted otherwise in the description.  Every item is custom made and handcrafted, nothing mass-produced.