Petuntse

Petuntse

Petuntse, also known as china stone, is a type of feldspar rock that is commonly used in the production of porcelain. It is a fine-grained, white or grayish-white rock that is composed primarily of orthoclase and albite feldspars, as well as quartz and mica. Petuntse is found in various locations around the world, including China, Europe, and North America. In the production of porcelain, petuntse is typically mixed with kaolin and other materials to create a clay body that is then fired at high temperatures. The addition of petuntse to the clay body helps to improve its plasticity, making it easier to shape and mold. It also helps to reduce the amount of shrinkage that occurs during firing, which can lead to cracking or warping. The use of petuntse in porcelain production dates back to ancient China, where it was first used during the Tang Dynasty (618-907 CE). It was highly valued for its ability to produce a translucent, white porcelain that was both strong and durable. Today, petuntse continues to be an important material in the production of high-quality porcelain, particularly in China and other parts of Asia.

feldspar, porcelain, clay body, kaolin, translucent

— Brian Wilson