Template:Short description Crystalloluminescence is the effect of luminescence produced during crystallization. The phenomenon was first reported in the 1800s from the rapid crystallization of potassium sulfate from an aqueous solution.<ref>Light emission during growth and destruction of crystals. Crystalloluminescence and triboluminescence, Jeffrey I. Zink, and B. P. Chandra; J. Phys. Chem., 1982, 86 (1), pp 5–7</ref>