Custer Potash Spar
Custer Potash Spar is a natural mineral used in ceramic glazes. It is known for its role as a flux in glaze formulations.
- Material class: feldspar
- Glaze role: flux
Oxide Analysis (wt%)
| Oxide | wt% |
|---|---|
| SiO₂ | 69.02 |
| Al₂O₃ | 17.13 |
| K₂O | 10.08 |
| Na₂O | 3.02 |
| CaO | 0.30 |
| LOI | 0.30 |
| Fe₂O₃ | 0.14 |