Megadiamonds point to metal in mantle

Glimpse of deep Earth chemistry found in rare gems’ imperfections


DEEP DIVE Metal shards (black spots) in this diamond hold clues to the deep-Earth environment in which it formed.

Jae Liao

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Earth

From the Nature Index

Paid Content