Engineered stone is a composite material that is made out of crushed stone grouped together by some form of adhesive. Engineered or composite stone has a wide range of applications across multiple industry verticals. With respect to kitchen counters, slabs are prepared out of quartz crystals that are bound together with the help of a resin binder. Most quartz is designed featuring a ratio of around 93 percent of crushed stone to 7 percent of pigmentation and resin.