Purple sand is also called five-color soil, not only purple,

There are cyan, yellow, green and so on. It is said to be the earth used by the legendary goddess of mending heaven.

So it's normal for your pot to turn yellow ~

The purple clay produced in Yixing is the most suitable for making teapots, and the output of other colors is less.

The quality is also inferior ~

But there are also many famous pots that are not made of purple soil ~

There are also fake and shoddy products painted with paint, but the traces of counterfeiting are obvious, so you can identify them yourself.

For example, is there any trace of paint dripping dry?

Pots made of clay have a very delicate surface and feel as smooth as human skin.

Different from the sticky and airtight smoothness of paint.

I don't know who the author is. . . I'm not sure,

The value of the pot is largely determined by the identity of the author. If you are a famous artist, the pot must be very expensive.