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Chesterfield Feldspar
Description: Potash Feldspar
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 0.30% | 0.03 | |
| K2O | 8.50% | 0.58 | |
| Na2O | 3.75% | 0.39 | |
| Al2O3 | 16.34% | 1.03 | |
| SiO2 | 70.75% | 7.54 | |
| Fe2O3 | 0.07% | - | |
| LOI | 0.29% | n/a | |
| Oxide Weight | 638.90 | ||
| Formula Weight | 640.76 | ||
Notes
Mined in Chesterfield County, Virginia.
Related Information
Links
| Materials |
Custer Feldspar
The most common potash feldspar used in ceramics in North America. While having been a standard for many decades its supply appears in doubt in 2024. |
|---|---|
| Materials |
G-200 Feldspar
|
| Typecodes |
Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies. |
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