Several silicate-based materials were subjected to high pressure loading using spherical indentation, diamond anvil cell (DAC) testing, and laser shock impact. The test methods were chosen because they can apply many gigapascal (GPa) of pressure, are relatively quick and inexpensive to experimentally conduct, produce repeatable results, induce a bulk material response, and enable in-situ or postmortem material analysis. Differences in apparent yield stress, hydrostatic pressure, and laser shock responses were observed among the materials and are described herein.