Figure 1
From: Water adsorption on surfaces of calcium aluminosilicate crystal phase of stone wool: a DFT study
Top view of the most stable CAS surfaces. The surface index is in order (100), (010), (001), (110), (101), (011), and (111). The color of Ca, Si, Al and O atoms are represented by green, yellow, brown and red, respectively. Note that some Si atoms are situated inside SiO\(_4\) tetrahedral.
