Indian Sandstone is a sedimentary rock composed essentially of quartz grains cemented by siliceous, felspathic, calcareous cementing matters.
The durability and strength of these rocks depend on the cementing material.
The best quality sandstone, for building purpose, should be of fine grain and uniform texture.
Sandstone is the youngest of the quartz-based stones, which eventually turns into quartzite as the sandstone is subjected to heat and pressure.
Textures within the sandstone layers such as cross bedding, ripple marks, and mud cracks, are clues to the origin of the layers as shallow, inter-tidal or delta sediments.