will edwards on tue 21 nov 00
Many times "Koryo Celedon" is confused with other celedon looking glazes.=
However here is my rendition of a celedon via Koryo style.
The attractive jade green hue is the result from combining the clay and t=
he
glaze and firing twice. Meaning the vessel was shaped from an iron bearin=
g
clay first and fired to 1300 - 1500 degress F.
Then the surface was coated with a calcium carbonate glaze containing
somewhere between 1 to 3% iron and fired once more to 2300 to 2400 degree=
's F.
(Reduced of course)
The time period for this particular glaze was made was aorund 918-1392 C.=
E.
The korean word for Celedon is ch'ongia.
While we wince on those small fractures called crazing, the brittleness o=
f the
celedon used then was sought after for that feature. Of course this very =
small
amount of iron and all the tannins used in teas must have made for some p=
retty
crackles. I would love to know if anyone on here actually owns a piece of=
Celedon of this type?
William Edwards
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