The following list is representative only. Due to oxidation and iron content, the stone surface can become hard and take on a different color than the stone core. These surface colors range from yellowish to brownish to different shades of grey. This dense surface can be polished. The surface of sandstone pieces can also, however, be quite rough.
Chipped surfaces can be white in color.
In the absence of any systematic technical analysis of ancient Khmer stonework, no exact description of other stone types can be provided. Some quartz objects are also known. Precious and semi-precious stones were also used as applied decor or in jewelry settings. Different types of stone degradation can be noted. The stone can also split along sedimentation layers.