Wollastonite (Lappeenranta, Finland)

Wollastonite from Lappeenranta, Finland, is a natural mineral known for its needle-like crystal structure. It is primarily composed of calcium silicate and is used in ceramic glazes to improve mechanical strength and thermal stability.

Oxide Analysis (wt%)

Oxidewt%
SiO₂51.70
CaO48.30