Bloodstone is not jade, but bloodstone. According to the origin, it can be divided into three categories: Changhua bloodstone, bahrain bloodstone and other origin bloodstone. Bloodstone contains minerals such as Cinnabar, (Cinnabar), Yingshi, calcite, stibnite, dickite, kaolinite and dolomite, and most of them contain sulfide and silicate minerals with various components such as mercury sulfide. Different places of origin, different texture components, bloodstone has no fixed shape, known as stone-like, its color has a piece of blood, striped blood, plum blossom blood, floating cloud blood.

Bloodstone consists of ground and blood. It is generally believed that the mineral composition of blood is mainly cinnabar. The composition of "ground", such as Changhua bloodstone, is mainly composed of clay minerals, including dickite, but also contains a considerable amount of kaolinite, alunite, halloysite, timely and pyrite. In the early days, ancient literati and bureaucrats used bloodstone to make seals, which is a very famous stone. Bahrain bloodstone is mainly kaolinite and diaspore; The main mineral components of fine black frozen bloodstone and hibiscus frozen bloodstone are dickite and cinnabar; A few years ago, a dense block similar to "Jindinghong" was found at the top of a gold mine in Jilin, in which cinnabar is very fine, hard and delicate, and it is also a kind of hard stone containing cinnabar, which is called cinnabar jade locally.