Flint

is a common resource.

Obtaining
can be:
 * Found around a new town
 * Found in loot on a Cave Structure
 * Collected by Mining any type of Ore Vein.

Usages
can be use to create sparks by hitting it against another, Stone or Ore.

It can also be used for Mining.

Crafting
can be attached to the end of a Stick to form a primitive spear.