Horse Canyon 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 4-1/2" x 5-1/4" - 2-3/4" x 7/32" thick.
Measures approximately 2-1/2" x 2" x 3/16".
Two Piece Parcel (1) 5/16" thick (1) 7/32" thick.