Hard quartz stone
Flint is a rock that often occurs in round stones in limestone environments. Flint is also known as 'cobblestone'. It is a hard stone that consists mainly of quartz. The name flint comes from the sparks that come from this stone as soon as it is hit with iron or pyrite.
Stone Age tools
Flint has concave fracture planes that often feel sharp. In the Stone Age flint was widely used to make all kinds of utensils. Axes, arrowheads and blades made of flint have been found.
Working of flint
Flint, is an earthy stone, it promotes the energy flows in the body. It brings you in balance and provides structure and concentration. This makes it easier for to focus on the important issues.