Marsten Ranch 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 9/32" thick
Ruler is in inches.
Two slab parcel measures approximately 2 at 9/32" thick