| Monthly Tech-Tip | No tracking! No ads! |
Description: Plagioclase Feldspar
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 6.99% | 0.50 | |
| Na2O | 7.72% | 0.50 | |
| Al2O3 | 25.41% | 1.00 | |
| SiO2 | 59.88% | 4.00 | |
| Oxide Weight | 401.42 | ||
| Formula Weight | 401.42 | ||
A plagioclase feldspar. The chemistry given is theoretical, actual materials will vary.
| Typecodes |
Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies. |
| Minerals |
Plagioclase
A abundant sodium calcium feldspar mineral. Na2O 9.5%, CaO 4.0%, Al2O3 22.5%, SiO2 68.7% |
| Hardness (Moh) | 6.5 |
|---|---|
| Frit Softening Point | 1350C |
| Density (Specific Gravity) | 2.70 |
| By Tony Hansen Follow me on ![]() | ![]() |
Buy me a coffee and we can talk