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Tang dynasty tomb figure, sancai horse, 7–8th century, also using blue, as on the saddle. Sancai (Chinese: 三 彩; pinyin: sāncǎi; lit. 'three colours') [1] is a versatile type of decoration on Chinese pottery and other painted pieces using glazes or slip, predominantly in the three colours of brown (or amber), green, and a creamy off-white.
Duncan & Miller Glass Company was a well-known glass manufacturing company in Washington, Pennsylvania. Items that were produced by the company are known as "Duncan glass" or "Duncan Miller glass." The company was founded in 1865 by George Duncan with his two sons and son-in-law in the South Side neighborhood of Pittsburgh, Pennsylvania.
At the same time in China, green-glazed pottery dating back to the Han period (25–220 AD) gave rise eventually to the sancai ('three-color') Tang dynasty ceramics, where the white clay body was coated with coloured glazes and fired at a temperature of 800 degrees C. Lead oxide was the principal flux in the glaze.
Ceramic glaze, or simply glaze, is a glassy coating on ceramics. It is used for decoration, to ensure the item is impermeable to liquids and to minimize the adherence of pollutants. [1] Glazing renders earthenware impermeable to water, sealing the inherent porosity of earthenware. It also gives a tougher surface.
Tin-glaze is plain lead glaze with a small amount of tin oxide added. [1] The opacity and whiteness of tin glaze encourage its frequent decoration. Historically this has mostly been done before the single firing, when the colours blend into the glaze, but since the 17th century also using overglaze enamels, with a light second firing, allowing ...
When different coloured glazes are applied to a ceramic surface, the glazes have a tendency to run together during the firing process. In the cuerda seca technique, the water-soluble glazes are separated on the surface by thin lines of a greasy substance to prevent them running out of their delineated areas.
Glazes can change the chroma, value, hue and texture of a surface. Glazes consist of a great amount of binding medium in relation to a very small amount of pigment. [1] Drying time will depend on the amount and type of paint medium used in the glaze. The medium, base, or vehicle is the mixture to which the dry pigment is added.
The glaze has glasslike and pooling (buildup of glaze) characteristics which puts emphasis on the surface texture of the piece being glazed. When the glaze is mostly made up of wood ash, the final result is mostly dark brown to green. The pots with these glazes resemble the earth in color and texture.