Information card for entry 9001407

Structure parameters

• Mineral name: Phase-B-anhydrous
• Formula: Fe1.616 Mg12.364 O24 Si5
• Calculated formula: Fe1.616 Mg12.364 O24 Si5
• Title of publication: Crystal chemistry of Fe-bearing anhydrous phase B: Implications for transition zone mineralogy
• Authors of publication: Hazen, R. M.; Finger, L. W.; Ko, J.
• Journal of publication: American Mineralogist
• Year of publication: 1992
• Journal volume: 77
• Pages of publication: 217 - 220
• a: 5.908 Å
• b: 14.241 Å
• c: 10.069 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 847.164 ų
• Number of distinct elements: 4
• Space group number: 55
• Hermann-Mauguin space group symbol: P m c b
• Hall space group symbol: -P 2bc 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No