Sleek style fills these Dakota Stones bead. These gemstone beads feature a round shape with a star cut filled with triangular facets. With 20 facets, a star cut gemstone enhances even the most intense colors. It makes a great complement to PRESTIGE bicones and you can try it in wire-wrapping projects, too. You'll love using these beads in matching necklace and bracelet sets. Smoky quartz is named after its smoky color, which is caused by Gamma rays. Flat panes of smoky quartz were used to make sunglasses in China in the 12th century. Metaphysical Properties: Smoky quartz is nature's stone of endurance. If you need an extra boost, carry a smoky quartz gemstone with you. It is said to enhance organizational skills and is good to have around in the workplace or home office. Because gemstones are natural materials, appearances may vary from bead to bead. Each strand includes approximately 63 beads.