1) Ceramic glaze 
It is made of feldspar, limestone, and iron oxide. The more quickly a piece is cooled, the blacker the glaze will be. Tenmoku takes its name from the 天目 (Mandarin: tiān mù; ten moku; Heaven`s Eye) mountain temple in China where iron-glazed bowls were used for tea. Tenmokus are known for their variability. During their heating and cooling, s....
A Japanese name for a Chinese glaze containing iron oxide. Tenmoku glazes are characterized by their black to reddish brown colour which is lighter in colour where the glaze is thinner and darker where it is thicker.
A Japanese word for a lustrous, dark iron stoneware glaze. The term covers those black stoneware glazes which break to a warm red brown where thin.
A stoneware glaze deeply coloured by iron oxide. It produces often lustrous results that vary in colour from yellow, green, rust red, brown and black.