Approximately 16x20x7.5mm faceted puffed smoky quartz gemstone oval beads. There are 18-22 beads per 16" strand. Smoky Quartz +Enhanced This stone is not always available, so order now while supplies last. Smoky quartz is believed to help ground oneself and remove negativity. Questions? Call our friendly sales staff at 1-800-366-2156, or email us.