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 ...

Of all the meteorites, pallasites are perhaps the most beautiful. They “contain big, beautiful olive-green crystals – a form of magnesium-iron silicate called olivine – embedded entirely in ...

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 ...

one of the most common types of meteorites that strike the Earth. They're made up of chondrules, or small, spherical grains ...

It contains lots of pyroxene, olivine and feldspar minerals. And it's this well-studied chemistry, together with the meteorite's textures, that make it so useful for Perseverance. The rock has ...

They're made up of chondrules, or small, spherical grains of silicate minerals such as olivine and pyroxene. Herd believes the meteorite that struck Velaidum's property came from an asteroid belt ...