Information card for entry 9000724

Structure parameters

• Common name: Phase-A
• Mineral name: Phase-A
• Formula: Mg7 O14 Si2
• Calculated formula: Mg7 O14 Si2
• Title of publication: Crystal structure of 2Mg2SiO4.3Mg(OH)2, a new high-pressure structure type
• Authors of publication: Horiuchi, H.; Morimoto, N.; Yamamoto, K.; Akimoto, S. I.
• Journal of publication: American Mineralogist
• Year of publication: 1979
• Journal volume: 64
• Pages of publication: 593 - 598
• a: 7.8603 Å
• b: 7.8603 Å
• c: 9.573 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 512.22 ų
• Number of distinct elements: 3
• Space group number: 173
• Hermann-Mauguin space group symbol: P 63
• Hall space group symbol: P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No