Wednesday, July 24, 2013

Celadon and Celadonware


Celadon is a term for a glaze  and a type of ceramic ware.
 It is also used as a name for a color - a pale, greyish shade of green.
The glaze of this color is commonly used in Korean and Chinese pottery.
The pigment is normally a pale sea-green however the original style was to make the pigments darker.
Celadon is a pale green pigment produced by artisans that uses a specific clay and pottery technique creating a style that is now associated with the name.


Celadon or Gingci as it is known, is an ancient type of glaze used by the ancient Chinese and was the most favored type of ceramic ware during the Song dynasty.
These ceramics have a blue-green glaze.
The term "celadon" for the pottery's pale jade-green glaze was coined by European connoisseurs of these wares.


Celadon glazes are high-fire reduction glazes.
'True celadon'  requires a minimum of 1260°C (2300°F) furnace temperature.
The preferred range is of 1285° to 1305°C (2345° to 2381°F).
The 'true celadon' was  created in China during the beginning 
of the Northern Song Dynasty 960–1127.
The unique grey or green celadon glaze is a result of iron oxide's transformation from ferric to ferrous iron (Fe2O3 → FeO) during the firing process.


Celadon glazes are usually glossy, transparent and they often have a crackle effect, with a wide range of colors.
A varienty of shades of green, blue,gray, white and yelllow - reminiscent of jade.
These glazes can change colors depending on the thickness and the clay body.



See also the following:



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