Fukushima Feldspar
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.26% | 0.02 | |
| K2O | 9.81% | 0.56 | |
| MgO | 0.23% | 0.03 | |
| Na2O | 4.59% | 0.40 | |
| Al2O3 | 19.07% | 1.00 | |
| Fe2O3 | 0.10% | - | |
| SiO2 | 65.15% | 5.80 | |
| LOI | 0.80% | n/a | |
| Oxide Weight | 530.65 | ||
| Formula Weight | 534.93 | ||
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Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies. |