PALLASITE METEORITES SPECIMENS
Pallasite meteorites are a rare class of stony-iron meteorites. They were once believed to have originated at the core-mantle boundary of asteroids that shattered through impacts, though a recent hypothesis is that they are a mixture of core and mantle minerals. Pallasite meteorites consist of olivine (peridot) crystals surrounded in an iron-nickel matrix. Some pallasites display interweaving structures known as Widmanstätten patterns (or Thomson structures) in areas of coarser metal. These structures are comprised of iron-nickel crystals of the nickel-iron alloys kamacite and taenite.
Pallasites are quite rare: less than a hundred falls are known and only four of those were observed. This represents less than 0.1% of classified meteorites!
Pallasites are quite rare: less than a hundred falls are known and only four of those were observed. This represents less than 0.1% of classified meteorites!
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