Berber 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: 3-1/8" x 2-1/2" x 7/32" thick.
Measures approximately: 3-1/2" x 3" at widest points x 7/32" thick.
Measures approximately: 3-1/4" x 2-7/8" x 9/32" thick.
Measures approximately: 3-3/8" x 2-3/4" x 7/32" thick.