Mischmetal is an alloy consisting mainly of:

Misch metal is an alloy made up of 95% lanthanoid metal, 5% iron and trace amounts of$\mathrm{S}, \mathrm{C}, \mathrm{Ca} \mathrm{and} \mathrm{Al}$. It is used to make bullets, shells and lighter flint in $\mathrm{Mg}$-based alloys.