Assertion: α cristobalite | /r/HasProperty | supplementary figs
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Source sentences:
text: Upon compression the Raman spectra of cristobalite X-I can be followed up to ∼80 GPa and on decompression the Raman modes of cristobalite X-I can be followed down to ∼2 GPa, below which it transforms back to the starting α-cristobalite (Supplementary Figs 3 and 7).