Approximately 20x30x7mm smoky quartz puffed ovals gemstone beads. There are 12-15 beads per 16" strand. Smoky Quartz +Enhanced This stone is not always available, so order now while supplies last. Quartz crystals are reputed to promote hope, happiness, and optimism while awakening us to the beauty of nature. Questions? Call our friendly sales staff at 1-800-366-2156, or email us.