Granite, Quartzite, Marble, Soapstone, Slate, Limestone Quick intro, as listed above, there are 6 primary types of natural stone used for countertops. There are also several manufactured or engineered types of stone countertops: Quartz, Engineered Granite, Engineered Marble, and Concrete. Engineered stone is basically crushed rock mixed with resin. So here we go, a quick synopsis of the main natural stones used for countertops: 1. Granite By now, everyone is familiar with gra