Stilbite from Pune, Maharashtra, India in Musee de Mineralogie, Paris — Photo: Animalculum · CC BY 4.0
Stilbite-Na
Also known as: Stilbite.
The sodium-dominant member of the stilbite zeolite pair.
Intro adapted from Wikipedia (CC BY-SA).
Stilbite-Na is an IMA-recognized mineral species in the silicate class, with the chemical formula Na₉(Si₂₇Al₉)O₇₂·28H₂O.
It crystallizes in the monoclinic crystal system (space group C2/m). It is a member of the Stilbite structural group.
Key properties: Mohs hardness 3.5–4; typically white or pink or orange or brown or yellow; white streak; vitreous luster.
IMA symbol Stb-Na, IMA status: approved, named in 1997.
Collections: Collector Favorites.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
Browse more S minerals or help write this entry.