Pallasites are meteorites that contain abundant silicate inclusions in a nickel-iron matrix. Usually, the silicates are large olivine crystals, often of gem quality. These peridots make the pallasites some of the most attractive meteorites known, and cut and polished pallasite slices are highly coveted among meteorite collectors. Pallasites for sale. Large inventory included Esquel, Imilac, Krasnojarsk, Glorieta Mountain, Fukang, Seymchan...