What you want to ask is whether the thickness of jadeite is too thin at 2. 1 mm? be

In general, the thickness of the jade pendant should be about 4- 10 mm, and if it is less than 4 mm, it will be very thin. If it is a bare stone used for inlaying, it should be about 3 mm 2. 1 mm is also relatively thin.

Jade is a mineral. There are two kinds of jade, soft and hard. Usually jade refers to nephrite, which belongs to one of the most common jewels.