Quartz Smoky Natural, faceted Round, 6mm, Hole: Approx 1.5MM. Smoky quartz is believed to be an excellent stone for removing negativity and negative energy of any kind and transforming them to positive energy. In addition, smoky quartz is a stone that is thought to bring abundance, prosperity and good luck. 16-Inch Strand, 1 strand approx 66 pcs.