Admire the dark hue of these genuine Black Onyx Beads. Like the darkness of night, these beads can add an element of mystery to your creative designs. Among the properties attributed to this variety of quartz stone is the ability to relieve stress. Available in a variety of sizes, these beads have a nice weight to them. Each bead measures approximately 19-20 x 19-20mm with a hole size of approximately <1mm. You will receive a full strand measuring approximately 16". Multiple strands pictured. Each strand sold individually. Get yours today!