Gum flower crystal is natural. Gum flower crystal is a kind of natural crystal, by quartz and other minerals mixed together, in the crystal growth process, the crystal within the secondary crystallization of volcanic magma immersed in natural fissures to form a landscape flow, belonging to the natural formation with the natural scenery within the crystal. Due to the different minerals immersed in the fissure, especially the different iron content, then it will lead to a variety of colors, resulting in unique shapes and colors. Commonly used in jewelry production.