Marble countertops have long symbolized luxury and timeless elegance in interior design. Their distinctive veining patterns, luminous surfaces, and natural variations make them a coveted choice for kitchens, bathrooms, and high-end commercial spaces. But what exactly are marble slab countertops made of, and how do they compare to other materials like granite or quartz? This article explores the composition, manufacturing process, pros and cons, and maintenance of marble countertops, complete with visual guides and expert insights.