Andesitic Pumice
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 4.74% | 0.49 | |
| K2O | 2.42% | 0.15 | |
| MgO | 1.94% | 0.28 | |
| Na2O | 2.42% | 0.22 | |
| Al2O3 | 17.70% | 1.00 | |
| SiO2 | 60.56% | 5.81 | |
| Fe2O3 | 3.93% | 0.14 | |
| LOI | 6.29% | n/a | |
| Oxide Weight | 540.02 | ||
| Formula Weight | 576.27 | ||
Related Information
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Volcanic Ash
Powdered volcanic ash is used to make ceramic glazes, some varieties have a chemistry similar enough to glaze that high percentages can be employed. |
Data
| Dry M.O.R. (50% Silica) | 304C |
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