A sculptor's medium is the material used to create sculptures. Common materials used by sculptors include STONE, ICE, ALABASTER, CLAY, and MARBLE. STONE is a hard, solid material composed of minerals, typically found in the ground. ICE is a frozen form of water that can be carved into shapes. ALABASTER is a soft, white STONE often used for sculptures. CLAY is a malleable material made from natural minerals and water. MARBLE is a type of metamorphic rock that is often used for sculptures.