Yixing clay is a type of clay from the region near the city of Yixing in Jiangsu Province, China. Its use dates back to the Song dynasty (960¨C1279) when Yixing clay was first mined around China's Lake Taihu. From the 17th century on, Yixing wares were commonly exported to Europe. The finished stoneware, which is used for teaware and other small items, is usually red or brown in color. Also known as zisha ware, they are typically unglazed and use clays that are very cohesive and can form coils, slabs and most commonly slip casts. These clays can also be formed by throwing. The best known wares made from Yixing clay are Yixing clay teapots. 4 x 2 inches.