Body china is normally made from 2 parts bone ash, along with 1 part kaolin and 1 part porcelain stone. The hard past, on the other hand, is composed of kaolin, feldspar and quartz. The hard paste is then fired at low temperature which allows the porcelain to harden, become translucent and give it great stability and resistance. Finally, soft clay is made from kaolin, feldspars, nepheline syenite and other rocks and is fired at an even lower temperature than hard clay, making it less harsh than firing porcelain objects. hard dough. This type of soft clay was one of the first types of clay that Europeans first used in hopes of replicating Chinese porcelain. Unfortunately, they did not have much success because they did not use the right clay mixtures, causing their artistic creativity to distort or collapse.