Andalusite Chemical: Al2SiO5. Clades: Al2SiO5 group; Nesosilicates; Silicate minerals; Lapidae. rom Related postsThuidialesMarch 10, 2019Piper sarmentosumMarch 10, 2019Reveal classificationMarch 10, 2019 Previous postHydrogrossularNext postSillimanite