Information card for entry 9002161

Structure parameters

• Mineral name: Hematite-proto
• Formula: Fe1.9 H0.06 O3
• Calculated formula: Fe1.9 H0.06 O3
• Title of publication: In situ study of the goethite-hematite phase transformation by real time synchrotron powder diffraction Sample at T = 517 C
• Authors of publication: Gualtieri, A.; Venturelli, P.
• Journal of publication: American Mineralogist
• Year of publication: 1999
• Journal volume: 84
• Pages of publication: 895 - 904
• a: 5.0258 Å
• b: 5.0258 Å
• c: 13.709 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 299.88 ų
• Ambient diffraction temperature: 790.15 K
• Number of distinct elements: 3
• Space group number: 167
• Hermann-Mauguin space group symbol: R -3 c :H
• Hall space group symbol: -R 3 2"c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No