Fracture

A fracture is when some kind of material is split into multiple pieces, because stress is applied to it.

1. The general case, which explains this for materials is at Material fracture
2. In certain cases the mantle of the earth shows so-called faults, explained at Fracture (geology)
3. Minerals can also break, as explained at Fracture (mineralogy)
4. This can also happen to bones of vertebrates, such as humans, and is explained as Bone fracture