Minerals identify

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Pseudowollastonite

Cyclosilicate

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.

It occurs in high temperature (pyrometamorphic) environments such as the Hatrurim Formation of the Negev Desert and the graphite, Bavaria It also occurs in slags.

Identification

Crystal ( diaphaneity )

Monoclinic