Heulandite Chemical: CaAl2Si7O18-6H2O. Clades: Zeolite family; Tectosilicates; Silicate minerals; Lapidae. rom Related postsDipsacalesMarch 10, 2019Acidum pangamicumNovember 25, 2024Gentianopsis ciliataMarch 9, 2020 Previous postNatroliteNext postStilbite