Brecciated Agate Slabs Agate is a form of microcrystalline quartz. It is usually formed in nodules and has transparent, or translucent portions. As with all of the other species in the quartz family, agate takes a high polish with cerium oxide.
Measures approximately 4" x 3-1/4" x 1/4" thick.
Two slab parcel measures approximately 4-3/4" (base) x 3" (tall) x 1/4" thick and 3" x 2-1/4" at widest points x 1/4" thick