Bloodstone: bahrain bloodstone refers to Bahrain stone containing red cinnabar, which is mostly transparent and translucent; There are red, vermilion, dark red, orange and so on. The shape of blood is flaky, massive, banded and star-shaped. All varieties are named after various "reds", such as sunset red, rosy clouds red, peony red and golden orange.
Fu Huangshi: Everything whose main body is yellow, transparent and translucent belongs to this category. Some varieties can also be subdivided according to hue and texture, such as chicken oil yellow, dense wax yellow and quicksand yellow. Among them, kumquat is comparable to Tian Huang.
Frozen stone: Bahrain stone is transparent, translucent, bloodless, and yellow is frozen stone, which is the most variety of Bahrain stone. Named after its main features, there are crystal, hibiscus jelly and sheep fat jelly.