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 ...

Joe Velaidum's home security camera captured the instant a meteorite smashed against his home's brick walkway. The video is thought to be the first recorded sound of a meteorite's direct impact.

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 ...

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 ...

Meteorites are the only samples of Martian rocks that can ... followed by detailed X-ray mapping of both the large olivine and pyroxenes crystals. The olivine crystals are generally not zoned in Fe ...