What is the difference between granite, marble and limestone?
Granite is unique in terms of hardness, composition and origin. Geologically, it is an igneous rock, meaning it is formed from liquid magma solidified under extreme pressure deep in the earth to form a substance approaching the hardness and durability of diamond. High in quartz and feldspar, granite is highly resistant to scratching and heat. Marble and limestone are calcium carbonate based and are significantly “softer” than granite. Because of this, the polished surface may be scratched more easily and is more vulnerable to “etching” by household acids including vinegar, citrus, and mustard. Honed finishes (not polished or shiny) will minimize the appearance of scratches or etching. Because of its durability, granite is recommended for use in kitchens over other natural stones. • What is quartz (engineered stone) countertop material? Engineered stone or “quartz” countertops are a manmade product although they contain 93% natural quartz. The quartz is ground to a gravel, then combined
