GR Stone is an authorized dealer of Cambria Quartz. Cambria is manufactured in the U.S. and offers many unique, beautiful and durable slab countertops. Cambria is consists of 94% natural quartz surface made by an optimal fusion of natural quartz and resin materials. Scratch, heat, stain, and bacteria-resistant, Cambria is offered in an array of beautiful colors with a lifetime warranty. Please come see the Cambria Quartz colors in our Kenilworth, NJ countertop showroom.