Appealing to collectors of Earth's ancient treasures, Heritage Auctions is selling rare meteorites, fossils, and gemstones.

Pallasites belong to a rare type of stony-iron meteorite. They are made up of a mix of nickel-iron metal and olivine crystals ...

A rock that formed around 4.5 billion years ago on Mars before being blasted into space by a meteor strike and making its way ...

According to a new analysis of the Lafayette Meteorite, minerals within it formed in the presence of water 742 million years ...

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 ...

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 ...

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 ...