Quartz_1 Formula: Si O2 Name: Quartz Unit cell: 4.8362 4.8362 5.3439 90.0 90.0 120.0 , V=108.24 Space group: P3221 (154)
Levien L , Prewitt C T , Weidner D J , American Mineralogist , 65 (1980) p.920-930, Structure and elastic properties of quartz at pressure, P = 20.7 kbar