Table 1 Mineral composition content of wall and windowsill samples
From: Weathering assessment approach for building sandstone using hyperspectral imaging technique
Sample | Mineral content(%) | |||||
|---|---|---|---|---|---|---|
Quartz | K-feldspar | Albite | Calcite | Hematite | Clay minerals | |
Wall | 28.4 | 5.6 | 48.9 | 1.5 | 0.3 | 15.3 |
Windowsill | 30.6 | 7.5 | 49.4 | 2.5 | 0.3 | 9.7 |