Stilbite crystals, a selection of specimens of this crystallized mineral species. Stilbite is a mineral, here many collector’s items presented with a description, one or more photos and sometimes a video. These stilbites are for sale.
It’s a silicate, a subgroup of the tectosilicates, a zeolite subdivided into two distinct species: stilbite-Ca, chemical formula NaCa4(Si27Al9)O72-28(H2O) and stilbite-Na, both of the monoclinic crystal system.