Black, red, brown, green and blue appearance. It can present rich colors and forms, such as red, yellow, blue and green. These colors can bring people different visual experiences and make people feel the beauty and magic of nature. It is called "the diamond among gems". In addition, blood gall agate has a very useful feature, that is, high transparency, light can freely pass through its crystal, which can make it show various colors, thus making it widely used in the jewelry field. The density and hardness of blood gall agate are also very high, and the texture is very delicate and comfortable, which makes it bring a very wonderful experience in the process of wearing and viewing.