Calstone 10150823 6" x 9" Quarry Stone Paver Chaco Canyon - Our Quarry Stone selections draw their inspiration from what the Earth geologically provides us. From a natural stone origin, using up to six blended colors, we created nine distinctively blended choices. With this unique custom palette you can create the perfect complement to your landscape and structural finishes. This paver may be used to pave driveways, pool decks, walkways, patios, and other surfaces.