Starting at $50.00 sqft Click here for colors DuPont Zodiaq® is 93% pure quartz crystal, which gives Zodiaq® a natural depth and radiance without the imperfections common in unimproved stone. And because quartz is one of nature's strongest materials, Zodiaq® is also incredibly durable and resists both heat and scratches. Custom-fit to your exact specifications and virtually maintenance free. Zodiaq® is perfect for your home, naturally. Zodiaq® is composed mostly of quartz, giving it exceptional toughness and a hardness of 7 on a scale of 10 (only diamonds rate a 10!). The smooth, nonporous surface of Zodiaq® resists even the toughest stains and will retain its luster for many years without the need for sealants or waxes.