Quartzite Porcelain Sinks Countertop Shop Color, durability, veining, texture. Picking out the stone for your countertop is half the fun. We offer hundreds of different counterop options. Samples and slabs are available to inspect in person. Material Differences Contact Granite Quartz Marble Quartzite Porcelain Sinks Granite Quartz Marble Quartzite Porcelain Sinks