👉 Oolites are a type of mineral that is often used in the production of pottery. They are made from the shells of various mollusks, including oysters and clams, and are known for their bright red or orange coloration. Oolites can be found in many different types of pottery, such as earthenware, stoneware, and porcelain, and they are often used to add a unique shine and texture to the finished piece.