Information card for entry 9001072

Structure parameters

• Mineral name: Hawthorneite
• Formula: Ba0.85 Cr4.72 Fe3.54 K0.12 Mg0.72 O19 Ti3.02
• Calculated formula: Ba0.85 Cr4.72 Fe3.54 K0.12 Mg0.72 O19 Ti3.02
• Title of publication: Structure of a new upper-mantle, magnetoplumbite-type phase, Ba(Ti3Cr4Fe4Mg)O19
• Authors of publication: Grey, I. E.; Madsen, I. C.; Haggerty, S. E.
• Journal of publication: American Mineralogist
• Year of publication: 1987
• Journal volume: 72
• Pages of publication: 633 - 636
• a: 5.871 Å
• b: 5.871 Å
• c: 23.06 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 688.358 ų
• Number of distinct elements: 7
• Space group number: 194
• Hermann-Mauguin space group symbol: P 63/m m c
• Hall space group symbol: -P 6c 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No