Handdrejad stengods högbränd i reducerande miljö.
Vikt: 248 g
Höjd: 4,8 cm
Diameter: 16,3 cm
Tenmoku (天目, also spelled "temmoku" and "temoku") is a type of Japanese pottery and porcelain that originates in imitating Chinese stoneware Jian ware (建盏) of the southern Song dynasty (1127–1279), original examples of which are also called tenmoku in Japan.
Shapes are simple and bold, with tea bowls the most typical. The emphasis is on the ceramic glaze, where a number of distinct effects can be produced, some including an element of randomness that has a philosophical appeal to the Japanese. The tea-masters who developed the Japanese tea ceremony promoted the aesthetic underlying tenmoku pottery.
It is made of feldspar, limestone, and iron oxide. The more quickly a piece is cooled, the blacker the glaze will be.
Tenmokus are known for their variability. During their heating and cooling, several factors influence the formation of iron crystals within the glaze. A long firing process and a clay body which is also heavily colored with iron increase the opportunity for iron from the clay to be drawn into the glaze. While the glaze is molten, iron can migrate within the glaze to form surface crystals, as in the "oil spot" glaze, or remain in solution deeper within the glaze for a rich glossy color.
Tenmoku glazes can range in color from dark plum (persimmon), to yellow, to brown, to black.