Does silestone compare corianDoes silestone compare corian. . . . Granite. . Granite usually has no guarantee. How does Silestone compare to solid surfaces, like Corian? The quartz in Silestone is 100% natural; a hard mineral that gives Silestone both beauty and strength. The three most commonly used kitchen countertops today are Corian, quartz composites such as Silestone and natural stones such as granite. How does Silestone compare to solid surfaces, like Corian®? The quartz in Silestone i... more