Coarse red clay pottery

…Red pottery is fired in a well-ventilated kiln using an oxidizing flame, and is light reddish brown in color and harder than brown pottery. The refined product made by elutriating the clay body is called fine-mud red pottery, while the product made by mixing the clay body with sand and other additives is called coarse sand-laden red pottery. The former is used mainly for tableware, and the latter is used mainly for cooking utensils. …

*Some of the terminology used to refer to "coarse red pottery with sand inlay" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…紅陶は通風のよい酸化炎焼成の窯で焼き上げたもので，明るい赤褐色を呈し，褐陶にくらべて硬質である。胎土を水簸（すいひ）した精製品を細泥紅陶といい，胎土に砂粒などの混和剤をふくむものを夾砂粗紅陶という。前者は主として食器類に用いられ，後者は主として煮炊きの器に用いられている。…

※「夾砂粗紅陶」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報