The formation process of Russian amber is very long and complex. In ancient times, the pine trees in the Baltic region secreted a large of resin, which dripped onto the ground and gradually formed amber after tens of millions of years of geological action. During the formation process, the gas bubbles the resin were enclosed in it, and the interior of the amber usually contains a large number of bubbles. These bubbles form unique patterns and patterns, such as cloudlike, flowing, etc., making each piece of Russian amber unique.