Luminous stones are divided into: natural crushed luminous stones and polished luminous stones.
Size: 3-5mm，5-8mm，1-3cm，3-5cm，5-8cm
Luminescence principle: After sunlight, lights and other visible light irradiation excitation, absorption and storage of energy, can be in the dark for a long time in the natural luminescence, the product repeatedly light absorption and luminescence, life expectancy of up to 15 years or more.