What Sort of Rock Is Granite? Granite is one of the most commonly used and recognized materials, especially in construction and design. It is frequently found in kitchens, monuments, and large buildings due to its exceptional durability and attractive appearance. But have you ever stopped to wonder what granite really is? What sets it apart from other rocks, and why is it so highly valued? Granite isn’t just a hard rock; it has a fascinating geological origin and a combination of properties that make it one of the most reliable and enduring natural materials available.