Clinoptilolite is a natural zeolite composed of a microporous arrangement of silica and alumina tetrahedra. It has the complex formula 2–3Al32Si13O36•12H2O. It forms as white, green to reddish tabular
Zeolites are a group of several microporous, crystalline aluminosilicate minerals commonly used as commercial adsorbents and catalysts. They mainly consist of silicon, aluminium, and oxygen, and have
Natrolite needles from Hohentwiel (Typelocality)
Zeolite exhibited in the Estonian Museum of Natural History