In ionic solutions, high levels of supersaturation promote the nucleation of many crystals, while low levels favor less nucleation but more crystal growth. The Cave of Crystals, therefore, was just right for the few crystals that nucleated to grow to gigantic proportions. Still marveling at the Naica crystals, Van Driessche and coworkers began to conduct lab studies of gypsum nucleation.
by Emma Hiolski, special to C&EN |
February 08, 2019