Diamond is the hardest mineral on Earth. This fact would likely pass muster at your local trivia night, but scientists suspect there’s more to the geologic story. Diamond is a carbon allotrope ...

More than 4,000 naturally occurring minerals—inorganic solids ... Diamonds, made of carbon atoms, are the hardest natural substance found on Earth. Formed under extremely high pressure hundreds ...

With no domestic heavy rare earth separation capacity and a shuttered alternative facility in Vietnam, the U.S. is highly dependent on Chinese supply.

In response to punitive tariffs imposed by Washington, Beijing earlier this month added seven rare earths to its export ...

Earlier this month, China, which dominates the global rare earth and critical minerals supply chain, announced it would curb its exports of dysprosium, gadolinium, scandium, terbium, samarium ...