What is the fluorescent dye in the luminous stick?
Is a trace of metal ion complex, the absorption of light when the metal ions shift, when there is no light energy, these ions will jump back, thus releasing the visible light, and light.
In the past people feel very magical, to see some glowing stones, but also as a gem, made into a night pearl. In fact, fluorite is a very common ore, in China's reserves of the world's first.
Fluorescent powder, also known as fluorite powder
