Its countertops are made of a mix of pulverized quartz, resins, and coloring. Quartzite, however, is a metamorphic rock formed from sandstone that has been exposed to intense heat and pressure.

As beautiful as marble yet more durable than granite, quartzite makes a gorgeous and practical choice for kitchen countertops. It's become an increasingly popular option for those who love the look of ...

and they are usually derived from igneous and metamorphic rocks in soil (Lapidus 1987). In most soils, feldspars, micas, and quartz are the main primary mineral constituents, and pyroxenes and ...