Natrolite crystals, a selection of specimens of this crystallized mineral species. Natrolite is a mineral, here many pieces of collection presented with a description, one or more photos and sometimes a video. These natrolites are for sale.
It’s a silicate, a subgroup of the tectosilicate family of zeolites, with the chemical formula Na2 (Al2 Si3 O10).2H2 O and an orthorhombic crystal system.