Black beads are glass, light green beads are quartz and darker green is jade. Measures approximately 18” -Like an item but not the price? Send an offer! ** Most items in my closet are over 20 years old. With age comes wear and other flaws. I try to provide clear images and descriptions of flaws to every item. I clean all my items to the best of my ability. Any questions thought of should be asked before purchasing. So please feel free to reach out! **