Stoneware, an essential material for many potters and ceramic artists, is a type of clay that has been fired at a high temperature to produce a durable, vitrified, or glass-like, ceramic. It is known for its robustness and versatility, making it a popular choice for everything from everyday dishware to artistic sculptures.
Stoneware is made from a specific type of clay that is rich in silica and alumina. These ingredients contribute to the clay’s ability to withstand high temperatures without melting or deforming. When fired at temperatures between 1200°C and 1315°C (2192°F and 2399°F), stoneware undergoes vitrification. This process transforms the clay into a non-porous, glassy substance that is resistant to water and other liquids.
Unlike porcelain, which is typically pure white and translucent when fired, stoneware comes in a variety of colors, depending on the minerals present in the clay. Common colors include grey, brown, and cream. The surface of stoneware can range from a smooth, glossy finish to a rough, earthy texture, depending on how it’s treated before and after firing.
Stoneware’s durability makes it an excellent choice for functional objects like mugs, plates, bowls, and vases. Its resistance to water and other liquids also makes it suitable for outdoor sculptures or garden decorations.