Differences in raw materials: Purple sand is a mineral body, the material is hard. And purple pottery raw materials is Jianshui specially selected clay, characterized by greasy and sticky, does not contain sand. Production process is different: zisha is divided into handmade and mold, handmade using a clay film beat body tube and set body tube two, mold pot is the use of gypsum models or other models to assist in molding. Purple pottery is mostly hand-pulled. Polishing needs are different: purple sand does not need to be polished. And purple pottery for unglazed grinding and polishing.

1, different raw materials: purple sand is a mineral, hard material. And purple pottery raw material is Jianshui specially selected clay, characterized by greasy and sticky, does not contain sand.

2, the production process is different: zisha is divided into handmade and mold, handmade using the clap clay piece of the body cylinder and set the body cylinder two, mold pot is the use of gypsum models or other models to assist in molding. Purple pottery is mostly hand-pulled billet.

3, polishing needs are different: purple sand does not need to be polished. And purple pottery for unglazed grinding and polishing.