The first step in the crystallization process is nucleationThe first atoms in the mass to form a crystal structure become a center and more atoms organize around this nucleusAs this happens more unit cells assemble around the nucleus a small seed crystal is formed. The process of nucleation is extremely important in crystallization is the nucleus of a. Pin By Brittany Welch On Snapshots And Snippets The Kingdom Of God Parables Sayings Posidonia oceanica known as Neptunes grass is endemic to the. . A sprawling sea grass meadow ten miles long near Spain ranks as the oldest known single organism on Earth according to geneticists.