| Mineral | Site No. | Observed wave (cm−1) |
| Quartz | S1-S4-S5-S6-S7 | 464.4; 692.3 |
| S2-S3-S7 | 460.5; 793.5; 520.4 | |
| S6 | 466.6 | |
| Kaolinite | S1-S3-S7 | 1032 |
| S2-S6-S7 | 3693.9; 3620.7; 3622.6 | |
| Calcite | S1-S2-S3-S4-S5-S6 | 1430.92 |
| S7 | 1035.7; 1421 | |
| Montmorillonite | S1 | 872 |
| S3-S4-S6 | 874.5; 877 | |
| Feldspar | S6 | 535.1 |