Grand Canyon Onyx is an inviting blend of gold, tan, red, brown and amber tones with white marble veins, with sporadic jade green formations. As the crown jewel of the marble family, Grand Canyon Onyx is formed as a mixture of clay, carbonates and other minerals which have been transformed under intense pressure and heat deep inside the earth. It takes about 1 million years to create a foot of the stone. Grand Canyon Onyx Rubble 4″-10″ is full size stone perfect for durable structural and hardscaping applications like rustic retaining walls, fireplaces and chimneys, define garden beds with edging, form borders, construct water features like waterfalls, koi/fish ponds, gate columns, and even bases for grills, mailboxes.
