Let your jewelry display colors of the sea when you shop our selection of blue and green quartz beads from Dakota Stones. These beads display oceanic colors that vary from ocean blue and sea green to pale foamy green and brown. Quartz is said to be a stone of power and that it can enhance thoughts. Try these beads in your designs for natural beach style. Find round beads, nugget-shaped beads and more, all available by the strand.