Megadiamonds point to metal in mantle

Glimpse of deep Earth chemistry found in rare gems’ imperfections

diamond

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