The major types of meteorites are either "irons" (metallic or "stones" (rocky.

The three types of meteorites are as follows:

Stony meteorite - made of rock and has two sub-classifications: chondrites and achondrites

Iron meteorite - made of iron metal and pure nickel which could come from asteroids, and are very rare

Stony-iron meteorite - has both stone and metal characteristics and can be easily seen by the naked eye