Pseudowollastonite is a high-temperature mineral phase of CaSiO₃ and is polymorphous with

wollastonite Wollastonite is a calcium inosilicate mineral ( Ca Si O3) that may contain small amounts of iron, magnesium, and manganese substituting for calcium. It is usually white. It forms when impure limestone or dolomite is subjected to high temperature ...

. Its formula can alternatively be written as Ca₃Si₃O₉. Other names include ''ß-Wollastonite,'' and ''cyclowollastonite''.Pseudo wollastonite on Mindat.org
/ref> It occurs in high temperature (pyrometamorphic) environments such as the

Hatrurim Formation The Hatrurim Formation or ''Mottled Zone'' is a geologic formation with outcrops all around the Dead Sea Basin: in the Negev Desert in Israel, in the Judaean Desert on the West Bank, and in western Jordan. It includes late Cretaceous to Eocene age ...

of the Negev Desert and the

graphite Graphite () is a crystalline form of the element carbon. It consists of stacked layers of graphene. Graphite occurs naturally and is the most stable form of carbon under standard conditions. Synthetic and natural graphite are consumed on lar ...

mine at Pfaffenrenth near Hauzenberg,

Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total lan ...

.Fleischer, M., 1973, ''New mineral names: Cyclowollastonite,'' American Mineralogist: 58: 560 It also occurs in slags and

cement A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together. Cement is seldom used on its own, but rather to bind sand and gravel ( aggregate) together. Cement mi ...

References

{{DEFAULTSORT:mineral name, formula, chemical Calcium minerals Cyclosilicates Monoclinic minerals Minerals in space group 15