| As the pH of water glass is lowered, colloidal particles of amorphous silica are formed. |
| It gradually changed color to a dull, dark hue and then finally into a less formed white, amorphous shape, before disappearing altogether. |
| An example of allotropy is carbon, which can exist as diamond, graphite, and amorphous carbon. |
| At first they were just amorphous multicolored shapes that would vanish spontaneously when confronted. |
| Where the paint takes over, it creates amorphous shapes that remain on the surface of the canvas. |
| Stretched along the umbrella's base, a large, pale gray, amorphous shape could be a shadow, a sack or a lifeless body. |
