Titanium silicate minerals encompass a diverse class of compounds in which titanium occupies coordination environments that can functionally substitute for silicon in the silicate framework. The ...

Asteroid Bennu—the target of NASA's OSIRIS-REx sample return mission, led by the University of Arizona—is a mixture of materials from throughout, and even beyond, our solar system. Over the past few ...

For the first time, a high-pressure calcium silicate perovskite (CaSiO 3) has been identified as a naturally occurring mineral from Earth’s lower mantle, researchers report. The newly discovered ...