Stained Glass Materials Nuggets - S Size - 20 cobalt blue iridescent nuggets Iridescent, shimmering with an opalescent sheen Flat-bottomed cabochon type These are ready-made products, not handmade. Shapes and sizes are not uniform. There may be initial scratches. Size: 15-20mm #StainedGlassMaterials #Nuggets #Cabochon