Burro Creek 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 5-1/4" by 2-1/8" by 1/4".
Measures approximately 4-1/2" x 2-1/2" x 7/32" thick.
Measures approximately 3-3/4" x 2-3/4" x 1/4" thick.