Pseudowollastonite

Pseudowollastonite is a high-temperature mineral phase of CaSiO3 and is polymorphous with wollastonite. Its formula can alternatively be written as Ca3Si3O9. Other names include wollastonite 7T, ß-Wollastonite, and cyclowollastonite.[2][3]

Pseudowollastonite
General
CategoryCyclosilicate
Strunz classification9.CA.20
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupC2/c
Identification
References[1]


It occurs in high temperature (pyrometamorphic) environments such as the Hatrurim Formation of the Negev Desert[2] and the graphite mine at Pfaffenrenth near Hauzenberg, Bavaria.[4] It also occurs in slags and cement. 


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 Metasyntactic variable, which is released under the 
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