A piece of light blue fluorite from Yaogangxian, Chenzhou, Hunan Province. The overall shape of this fluorite is triangular. Originally, the crystal form of this fluorite should be an octahedron. The middle part of the fluorite shows a light blue color, and its surface is also covered with fine and complete matrix step-like patterns. The most distinctive feature is that there is a piece of purple double phantom fluorite on each of the two corners of this fluorite. This specimen is both aesthetically pleasing and valuable for collection.