Wollastonite (Ethiudna)
Wollastonite (Ethiudna) is a natural mineral characterized by its chemical formula Ca3(Si3O9). It typically appears as a light gray to white powder. In ceramic glazes, it serves as a flux, helping to lower the melting temperature.
- Material class: wollastonite
- Glaze role: flux
Oxide Analysis (wt%)
| Oxide | wt% |
|---|---|
| SiO₂ | 47.23 |
| CaO | 44.22 |
| LOI | 7.52 |
| MnO | 0.30 |
| Fe₂O₃ | 0.23 |
| MgO | 0.12 |
| Al₂O₃ | 0.06 |
| P₂O₅ | 0.06 |
| K₂O | 0.03 |