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Burnishing is a form of pottery treatment in which the surface of the pot is polished, using a hard smooth surface such as a wooden or bone spatula, smooth stones, plastic, or even glass bulbs, while it still is in a leathery 'green' state, i.e., before firing.
Black Burnished Ware Category 2 (BB2) is greyer in color and has a finer texture when compared with BB1. [4] It is a “hard, sandy fabric, varying in colour from dark-grey or black with a brown or reddish brown core and a reddish-brown, blue-grey, black or lighter ('pearly grey') surface.” [5] The clay body can contain black iron ore, mica, and quartz, all in a matrix of sediment. [5]
Sometimes further painting in other colours was added after firing, especially in white-ground and Hellenistic vases. However, new studies instead provide material evidence that the pottery was made with two or more separate firings [1] in which the pottery is subjected to multiple firing stages. The conventional view is described in more ...
Horse hair vase. Horse hair raku is a method of decorating pottery through the application of horsehair and other dry carbonaceous material to the heated ware. The burning carbonaceous material creates smoke patterns and carbon trails on the surface of the heated ware that remain as decoration after the ware cools.
However, earthenware can be made impervious to liquids by coating it with a ceramic glaze, and such a process is used for the great majority of modern domestic earthenware. The main other important types of pottery are porcelain , bone china , and stoneware , all fired at high enough temperatures to vitrify.
Burnishing may refer to: Burnishing (metal) , plastic deformation of a surface due to sliding contact with another object Burnishing (pottery) , pottery polishing treatment
This process caused the fabric of the clay to change color from its natural red to black. Thus, in contrast to the black- glazed Campanian ware of the Greek colonists in southern Italy , the lustrous , shiny, black surface of many bucchero pots was achieved by diligent burnishing (polishing) or, occasionally, through the application of a thin ...
Gilded frame ready for burnishing with an agate stone tool Application of gold leaf to a reproduction of a 15th-century panel painting. Gilding is a decorative technique for applying a very thin coating of gold over solid surfaces such as metal (most common), wood, porcelain, or stone. [1]