In technical terms Stone chips is also known as Coarse Aggregate. The following factors may be followed in selection of appropriate stone chips for construction of your home.
1) The stone chips should be angular as it gives good interlocking effect. Flat, elongated or flaxy particles should be avoided.
2) It should be clean, uncoated and properly shaped particles of strong, dense, durable mineral and rock materials.
3) The stone chips should not contain any deleterious materials like, Iron pyrites, Coal, Mica, Shale, Clay, Alkali etc.
4) The surface of the stone chips should be rough, regular and crystalline.