The Brazil agate slabs are polished on both sides and average size is 2" plus has a thickness of approx. 1/8". The polished Brazil agate slabs can be used for belt buckles, in a soldered Tiffany style lamp shade or window frame, pendant, wind chimes, or use a router to trace a shape in a wooden jewelry box lid and glue a Brazil slab in for a one-of-a-kind jewelry box.