Cut from man-made blue goldstone, this beautiful "stone" reminds one of the endless galaxy. While these are classified are blue goldstone, they do have a purple hue to them. Sold per randomly selected cabochon, they range in size from approximately 12x22 to 22.5x34.5mm. Some cabs do have some copper spots (red goldstone) or bubbles. A few pieces have unique banding running through them.