Pallasite Meteorite: Pallasites are stony-iron meteorites derived from an extinct planet that was detroyed during the formation of our solar system approximately billion years ago. They come from the boundary between the silica rich mantle and the iron
The rarest of all meteorites is from Mars. The rock was ejected from Mars by an impact of a meteor or comet, and eventually fell to earth. There are only 120 known specimens. This meteorite is Chassignite.