2017年9月12日星期二

Diffusive Markings on Ancient Chinese Jade

Diffusive markings are the phenomena caused by the incremental penetration of exterior chemicals after the impact of heat and pressue conditions of the underground evironment.  Different levels of condensed of colors are seen in the jade artifacts and the marking itself should not be mistaken as raw jade skin.


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玉得五色沁 胜过十万金 - 战国玉璧

璧,古玉器名。也有用琉璃制的。扁圆形,正中有孔。璧是古代汉民族用于祭祀的玉质环状物,凡半径是空半径的三倍的环状玉器称为璧。《尔雅》云:“肉倍好谓之璧,好倍肉谓之瑗,肉好若一谓之环。”。所谓肉是指边,好是指孔。实际上这一比例仅仅是理想的,实际出土的玉器很少合乎这一比例。璧,古代的一...