A favorite medium for Greek and Roman sculptors and architects, marble is a cultural symbol of tradition and refined taste. Its extremely varied, veined and colorful patterns make it a favorite design material of builders. Sometimes referred to as “crystalline rock” or “shining stone,” this metamorphic rock is a granular aggregate of crystals of calcite or dolomite. Most often used for interiors and flooring in a high-polish finish, marble also comes honed or sandblasted