Building Materials - Engineering

Q1:

The tendency of a stone is, to split along:

A texture

B fracture

C cleavage

D structure

E all the above.

ANS:C - cleavage

Cleavage - The tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice. These two-dimensional surfaces are known as cleavage planes and are caused by the alignment of weaker bonds between atoms in the crystal lattice.