Super White Quartz Stone Slabs for Countertops. Super White Quartz is a very white quartz colors with the most tiny grain quartz sands and the most expensive pure color quartz stone. It is a premium white quartz for the Countertops, Work Tops, Bench Tops, Vanity tops selection. We can fabricate the countertops with very less waste on the slab material. Competitive price for commercial project.