Turn your jewelry into one-of-a-kind wonders with the crystal quartz 12x16-13x18mm tumble nugget beads. Quartz crystals are the most common and abundant in the world. Quartz is believed to be a romantic stone. Nugget beads feature an organic shape that will add earthy style to your designs. Try them in chunky bracelets or unique necklaces. Gemstone beads are the perfect way to add natural beauty to your jewelry designs. Since gemstones are formed naturally, each bead is a unique treasure. These gorgeous gemstone beads are available by the strand, so you'll have plenty to work with.