qing hui ni clay

Yixing clay–Qing hui ni clay

Submitted by rdwr on Wed, 09/07/2011 - 17:08

In history, qing hui ni clay is the impurity yixing clay, infact this kind of mine is not even exist, we call it qing hui ni clay only because this clay's color is graphite, qing hui is a color which means graphite. In modern times, this clay is made by adding other clay to duan ni clay, only to reach the color effect, not affect health.

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