Create elegant sea style in your designs with the help of the blue and green quartz 12mm square beads from Dakota Stones. Available by the strand, these beads display oceanic colors that vary from ocean blue and sea green to pale foamy green and brown. These beads are great for beach-inspired jewelry. Quartz is the most common mineral found on the surface of the earth. It is said to be a stone of power and that it can enhance thoughts. These beads display a square shape with rounded edges. They would look great in necklaces and bracelets.