2CM Quartz Griss Porcelain Paver was created to bring the feel and look of Quartzite Pavers. The Quartz Griss is unlike quartz, which presents problems with color and thickness variations. Garden State Porcelain's Quartz Gris Porcelain Paver maintains color and thickness always. The standard sizing makes installation very easy. Maintenance of quartzite pavers involves sealing the stone periodically. The sealing process is unnecessary with GSP's Quartz Griss Porcelain Pavers.