Phenakite Chemical: Be2SiO4. Clades: Phenakite group; Nesosilicates; Silicate minerals; Lapidae. rom Related postsWatsonia pillansiiMarch 10, 2019Gymnocladus canadensisJuly 15, 2022NomenclatureMarch 10, 2019 Previous postSilicate mineralsNext postTephroite