This Gold Fill Element Lava Rock Cube Slide Necklace is by artist Pamela Lauz. She has used a cubed lava rock bead and a 14K gold-filled chain to create this delicate minimalist piece.
The bead measures approximately 0.39" (1 cm) x 0.39" (1 cm) x 0.39" (1 cm) and the adjustable chain can be 16" (40.6 cm) or 18" (45.7 cm) long.