Table 2 Crystalline and amorphous phase contents (% by mass) of fly ash.
From: Calcium enhanced ambient cured fly Ash based geopolymer binders
| Â | Quartz | Mullite | Calcite | Hematite | Magnetite | Rutile | Reactive Silica | Reactive Alumina | Total Crystalline Content | Total Amorphous Content |
|---|---|---|---|---|---|---|---|---|---|---|
N-Fly ash | 24.8 | 16.1 | 0 | 0.4 | 0.3 | 0.24 | 26.4 | 16.3 | 41.6 | 58.4 |
R-Fly ash | 22.9 | 17.4 | 1.8 | 1.95 | 0.0 | 0.4 | 21.2 | 15.2 | 44.4 | 55.6 |
