The rock, which measures 2.9 centimeters (1.1 inches) across, is unique beyond the pyroxene. It is the oldest sample yet collected by Perseverance.

SILICATES of the amphibole group are known to decompose endothermically, at temperatures above 600° C, to give a pyroxene and other products1–3. The composition of the pyroxene and other ...

Calcium content determines the peak intensity ratio due to iron ions at Mössbauer spectra in pyroxene. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 10 ...