Tags: Chemical Substance, Mineral.
Xonotlite is a mineral with the chemical formula Ca6Si6O17(OH)2. It crystallizes in the monoclinic – prismatic crystal system with typically an acicular crystal form or habit. It can be colorless gray light gray lemon white or pink. It is transparent with a vitreous to silky luster. It leaves a white streak. Xonotlite is rated 6.5 on the Mohs Scale of hardness. It was first described in 1866 and named for its occurrence in Tetela de Xonotla Puebla Mexico.
