White crystals of the rare mineral pseudowollastonite from Germany (Passau, Lower Bavaria, Bavaria, Germany). Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium. — Photo: David Hospital · CC BY-SA 4.0
Pseudowollastonite
The high-temperature polymorph of CaSiO₃ — cyclowollastonite — stable above ~1125 °C.
Intro adapted from Wikipedia (CC BY-SA).
Pseudowollastonite is an IMA-recognized mineral species in the silicate class, with the chemical formula CaSiO₃.
It crystallizes in the monoclinic crystal system (space group C2/c).
IMA symbol Pwo, IMA status: approved, named in 1932.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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