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 is a silicate, subgroup of tectosilicate, of the family of zeolites, its chemical formula is Na2 (Al2 Si3 O10).2H2 O and its crystalline system orthorhombic.