These earrings use two different black crystals, the bottom crystal is an 8mm faceted round onyx crystal.  The top crystal is an 8mm  Swarovski onyx cube bead sitting on top of a 3mm silver spacer bead.  The earrings use silver-plated fishhook earwires and are 1.25" long.
 
Unless noted otherwise, all metal used is hypoallergenic and nickel-free. It is sterling silver, silver or gold-plated silver, or stainless steel. Every item is handcrafted or custom-made; nothing is mass-produced.