Blue Lace Agate- Chalcedony Bracelet I (4-6mm)Its blue comes from the same effect that makes the sky blue. Not pigment. Scattered light. Product Highlights: The Stone: Blue lace agate and blue chalcedony, two closely related stones in alternating sizes. The larger beads show the delicate white and blue banding that blue lace agate is known for. The smaller beads are blue chalcedony, smoother and more uniform in color. Both are pale, soft, and quiet on the wrist. Set between sterling silver disc