Sterling silver hook earrings with obsidian and quartz. Material: round shape clear colourless quartz beads, round shape obsidian beads, and sterling silver. Earring length: 3.8cm (hook included). Stone diameter: obsidian ∅10.0mm, quartz ∅10.0mm. To keep the good condition, clean with neutral detergent or water (use soft brush if necessary) after wearing, wipe dry and leave in the air for about two minutes (vapour off) and seal in a zipper bag, or polish with the silver cloth.