Is the purple sand cup a ceramic cup?

The purple sand cup is a cup made of purple sand. It is characterized by a dense structure, close to porcelain, high strength and small particles. It is often used to drink tea. So is the purple sand cup a ceramic cup?

Ceramic cup is the collective name of pottery cup and porcelain cup. The substances in between, strictly speaking, neither belong to pottery nor porcelain, but have similarities with pottery and porcelain.

Compared with the porcelain cup and the purple sand cup, the main difference lies in the following aspects:

1. Different raw materials

Both porcelain cups and purple sand cups are made of mud, but the mud of the purple sand cup is an iron-rich clay-quartz-mica type, while the mud of the porcelain cup is an aggregate of minerals such as quartz, sericite, kaolin, and feldspar. body.

2. Different breathability

The purple sand cup has a unique pore structure and does not need to be glazed, so it not only has good air permeability, but also can contain the fragrance of tea; the porcelain cup needs to be glazed, and its air permeability is not comparable to that of the purple sand cup.

3. Different appearance

Porcelain cups are translucent regardless of thickness; purple clay cups do not have the characteristics of transparency, even if they are as thin as eggshells, they cannot be transparent.

4, the price is different

Generally, for cups of the same specification produced by the same manufacturer, the production cost of purple sand cups is higher, so the price is more expensive than porcelain cups.