There are two different types of stony-iron meteorites: pallasite and mesosiderite. Pallasites contain big, beautiful olive-green crystals - a form of magnesium-iron silicate called olivine - embedded ...

olivine, said Steve Arnold, the meteorite hunter who found it. “If you see pictures of pallasites,” Arnold said Wednesday from his home in Arkansas, “often they’re cut thin and the peridot ...

Louis, with a new Missouri meteorite the owners allowed him “to fondle briefly,” on their way through town last January. Korotev’s lab analyzed the olivine crystals in the meteorite to help ...