Tags: Chemical Substance, Mineral.
Pseudowollastonite is a high-temperature polymorph of wollastonite. Its formula can be written as CaSiO3 or as Ca3Si3O9. Other names include wollastonite 7T ß-Wollastonite and cyclowollastonite.It occurs in high temperature (pyrometamorphic) environments such as the Hatrurim Formation of the Negev Desert and the graphite mine at Pfaffenrenth near Hauzenberg Bavaria. It also occurs in slags and cement.