| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 1.14% | 0.07 | |
| MgO | 0.47% | 0.04 | |
| K2O | 1.45% | 0.05 | |
| Na2O | 0.13% | 0.01 | |
| TiO2 | 0.01% | - | |
| Al2O3 | 29.20% | 1.00 | |
| SiO2 | 56.31% | 3.27 | |
| Fe2O3 | 0.01% | - | |
| LOI | 11.14% | n/a | |
| Oxide Weight | 309.91 | ||
| Formula Weight | 348.76 | ||
A New Zealand material.
| Typecodes |
Clay Other
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically. |
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