Magnesium is similar. I used to have a magnesium campfire starter. It was a little ingot of magnesium, with a long flint, embedded along one side. You used yo

Magnesium is similar. I used to have a magnesium campfire starter. It was a little ingot of magnesium, with a long flint, embedded along one side. You used your knife to shave some magnesium, then the flint, to set it ablaze. Worked a treat.