Emerald has many cracks and many inclusions, so it is afraid of collision. At the same time, the stability of emeralds is not very good, so don't be exposed to the sun for a long time. Excessive heat will enter the cracks of emerald, causing thermal expansion and cold contraction, which may break from the inside.

02

beeswax

Beeswax is the embodiment of resin and is afraid of high temperature. Therefore, when we wear or play with it, we should not be exposed to the sun, stove, fire and other high-temperature environments for a long time, otherwise the beeswax will crack because it is too dry.

03

Southern red

Nanhong is agate in essence, and its main component is silicon dioxide. It should be regarded as a relatively stable jade, but it also has weaknesses, that is, it is afraid of high temperature, which will expand when heated, and its quality will be affected, and even cracks will appear in serious cases.