The delicate fossil patterns and unique surface characteristics of Coral Stone complement contemporary architecture and design beautifully. It can be installed as a random ashlar or in a repeating pattern. Stone sizes: 4″ x 4″, 4″ x 8″, 4″ x 12″, 8″ x 8″, 8″ x 12″, 12″ x 12″ and 12″ x 16″. Corner sizes: 4″, 8″ and 12″ heights with 4″ and 8″ lengths. Average thickness: 1 1/8″ and sized for a ½” mortar joint.