Information card for entry 9017079

Structure parameters

• Mineral name: Phase H
• Formula: H Mg0.5 O2 Si0.5
• Calculated formula: H2 Mg O4 Si
• Title of publication: Crystal chemistry of dense hydrous magnesium silicates: The structure of phase H, MgSiH2O4, synthesized at 45 GPa and 1000 C
• Authors of publication: Bindi, L.; Nishi, M.; Tsuchiya, J.; Irifune, T.
• Journal of publication: American Mineralogist
• Year of publication: 2014
• Journal volume: 99
• Pages of publication: 1802 - 1805
• a: 4.733 Å
• b: 4.325 Å
• c: 2.842 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 58.176 ų
• Sample thermal history: synthesized at 45 GPa and 1000 C
• Sample pressure history: synthesized at 45 GPa
• Number of distinct elements: 4
• Space group number: 58
• Hermann-Mauguin space group symbol: P n n m
• Hall space group symbol: -P 2 2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No