Polymorphs are not mythical, chimeric beasts—they are substances with identical chemical compositions but differing crystal structures that also exhibit different physical and chemical properties.

Xiete is the first new mineral with post-spinel structure found by a Chinese-American team from the Guangzhou Institute of Geochemistry, Chinese Academy of Sciences and the Geophysical Laboratory, ...

A number of materials can crystallize in forms known as polymorphs, with these forms differing in the crystal lattice’s three-dimensional arrangement of molecules or atoms. Polymorphs tend to possess ...

The study of impact crater geology and shock metamorphism offers a vital window into the extreme conditions that have shaped planetary surfaces. Impact events, whether from solitary projectiles or ...