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Foreign musicians on camel. Sancai glaze, 723 AD, Xi'an. Sancai wares were made in north China using white and buff-firing secondary kaolins and fire clays. [7] Sancai follows the development of green-glazed pottery dating back to the Han period (25–220 AD); the brown glaze was also known to the Han, but they only very rarely mixed the two in a single piece. [10]
Overglaze decoration, overglaze enamelling, or on-glaze decoration, is a method of decorating pottery, most often porcelain, where the coloured decoration is applied on top of the already fired and glazed surface, and then fixed in a second firing at a relatively low temperature, often in a muffle kiln. It is often described as producing ...
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 minimise the adherence of pollutants. [1] Glazing renders earthenware impermeable to water, sealing the inherent porosity of earthenware. It also gives a tougher surface.
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.
Ceramic colorants are added to a glaze or a clay to create color.Carbonates and oxides of certain metals, characterize most colorants including the commonly used cobalt carbonate, cobalt oxide, chrome oxide, red iron oxide, and copper carbonate.
The color is caused by the size and dispersion of gold particles. Ruby gold glass is usually made of lead glass with added tin. Silver compounds such as silver nitrate and silver halides can produce a range of colors from orange-red to yellow. The way the glass is heated and cooled can significantly affect the colors produced by these compounds.
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He experimented with that glaze in odd moments over a period of a dozen or fifteen years. The color comes out in the kiln. By control of heat he controlled the behavior of the coloring. Another unique glaze he produced was a Persian blue, a turquoise blue with pebble effect. Those were just two glazes of thousands he produced.” [3]
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