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1. High Pressure Silicates

   Linked via "shock compression apparatus"

   High-pressure silicates are a class of mineral phases, predominantly polymorphs of silicon dioxide ($\text{SiO}2$) and magnesium iron silicate ($(\text{Mg},\text{Fe})\text{SiO}3$), that exhibit significantly altered crystal structures compared to their ambient-pressure analogues. These phases are stabilized exclusively under extreme lithostatic pressures, typically exceeding 10 $\text{GPa}$, and are foundational to understanding the geophysical and seismological properties of the Earth's lower mantle and transition zone. T…