GR Stone, countertop fabricator and installer serving Central NJ and New York is an authorized dealer of Polarstone Pure Surface. Pure Surfaces™ by Polarstone. Pure Surfaces quartz is the latest generation of composite surface material, made from a combination of a binding resin and natural minerals. Pure Surfaces is 2 times stronger and 2.5 times more flexible than traditional quartz products. The enhanced aesthetics result in a cleaner and less muted look, consistent with actual marble and granite designs. Greenguard and NSF certified, Pure Surface is an amazing option for countertop or accent walls. Please visit our countertop showroom in Kenilworth, NJ to the entire pure surface countertop colors.