| Monthly Tech-Tip | No tracking! No ads! | 
Description: Sodium Potassium Feldspar
| Oxide | Analysis | Formula | Tolerance | 
|---|---|---|---|
| CaO | 0.39% | 0.04 | |
| MgO | 0.06% | 0.01 | |
| K2O | 4.80% | 0.30 | |
| Na2O | 6.80% | 0.65 | |
| TiO2 | 0.03% | - | |
| Al2O3 | 17.00% | 0.99 | |
| SiO2 | 70.40% | 6.93 | |
| Fe2O3 | 0.08% | - | |
| LOI | 0.45% | n/a | |
| Oxide Weight | 588.86 | ||
| Formula Weight | 591.52 | ||
| Minerals | Na-Feldspar Most common feldspars contain both sodium and potassium. The term Na-Feldspar designates one where t | 
| Minerals | Quartz Quartz is the most abundant mineral on earth, it is the main crystalline mineral form of silica (SiO | 
| Minerals | K-Feldspar Most common feldspars contain both sodium and potassium. The term K-Feldspar designates one where th | 
| Materials | Soda Feldspar A feldspar having a KNaO content that predominates in sodium. | 
| Materials | Potash Feldspar A feldspar having a KNaO content that predominates in potassium. | 
| Typecodes | Feldspar The most common source of fluxes for high and medium temperature glazes and bodies. | 
| Bulk Density g/cc (Packed) | 1.2 | 
|---|---|
| Hardness (Moh) | 6.5 | 
| Ultimate Particle Size Distribution | >45 micron: 5% | 
| Density (Specific Gravity) | 2.65 | 
| pH for dry powder | 8-9 | 
| By Tony Hansen Follow me on              |  | 
Buy me a coffee and we can talk