Halloysite Chemical: Al2Si2O5(OH)4. Clades: Clay minerals group; Phyllosilicates; Silicate minerals; Lapidae. rom Related postsTetradium ruticarpumNovember 19, 2020Rheum palmatumFebruary 15, 2020Valeriana officinalisMarch 10, 2019 Previous postLizarditeNext postIllite