Why is Every Slab of Granite or Marble Different?
Did you see a beautiful slab of granite at one countertop store and asked for the same type at another shop only to discover that the two slabs look nothing alike? You are ordering a custom counter. Any kind of natural stone, including granite and marble , used for countertops will always show variation from one piece to the next. Why does that happen? It all has to do with how the stone is formed millions of years in the past. Granite Begins as Molten Magma Granite is an igneous rock, which means it begins life as molten magma deep under the Earth's surface. As the magma cools under the immense pressure of the Earth, it crystallizes and forms the building blocks for granite. Granite often includes crystals of quartz, feldspar, and mica. The rate at which the rock cools determines the size of the different crystals. Marble is a Metamorphic Rock Made from Limestone Marble begins its life as huge blocks of limestone. At some point a geological event occurs that superheats t...