The meteorite ... actual value of the rock from Sumatra? The Arizona professor says it's about 70-80% clay, basically "an extra-terrestrial mudball". "It's dominated by a bit of iron, oxygen ...

Only about 6 per cent of meteorites in collections around the world are iron-rich – these are rare and rather special beasts. They are thought to come only from asteroids that grew so large that ...

Meteorites are pieces of stone or iron that have broken off from asteroids and planets and fallen from space to Earth. Meteorites have great scientific value, and rare types of meteorites also have ...

These are the iron meteorites ... But even if this "missing meteorite" hypothesis doesn't work out, Dr Joy believes her new hoard of space rocks demonstrates the value of regular expeditions.