Minerals are geologic time capsules of the environments in which they form. With the right approach, their mysteries can be cracked open to reveal key features of the ancient Earth or other planets.

Quartz, diamond, calcite, and pyrite are a few of the most famous mineral “species,” according to traditional systems of classification. Yet, two papers published in American Mineralogist have ...

(The Center Square) – A Virginia congressman introduced a bill to designate uranium as a critical mineral under the U.S. Geological Survey, a move that could strengthen domestic energy security and ...