Information card for entry 9002345

Structure parameters

• Formula: Al1.305 Ca0.02 Fe0.3 K0.28 Mg1.295 Na0.16 O6 Si1.05
• Calculated formula: Al1.305 Ca0.02 Fe0.3 K0.28 Mg1.295 Na0.16 O6 Si1.05
• Title of publication: Structure of a new Al-rich phase, [K,Na].9[Mg,Fe]2[Mg,Fe,Al,Si]6O12, synthesized at 24 GPa
• Authors of publication: Gasparik, T.; Tripathi, A.; Parise, J. B.
• Journal of publication: American Mineralogist
• Year of publication: 2000
• Journal volume: 85
• Pages of publication: 613 - 618
• a: 8.83 Å
• b: 8.83 Å
• c: 2.779 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 187.647 ų
• Sample pressure history: synthesized at 24 GPa
• Number of distinct elements: 8
• Space group number: 176
• Hermann-Mauguin space group symbol: P 63/m
• Hall space group symbol: -P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No