Information card for entry 9005823

Structure parameters

• Mineral name: Ahrensite
• Formula: Fe2 O4 Si
• Calculated formula: Fe2 O4 Si
• Title of publication: Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of temperature and heating duration Sample: T = 200 C
• Authors of publication: Yamanaka, T.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1986
• Journal volume: 13
• Pages of publication: 227 - 232
• a: 8.2513 Å
• b: 8.2513 Å
• c: 8.2513 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 561.781 ų
• Ambient diffraction temperature: 473.15 K
• Sample thermal history: heating duration Sample: T = 200 C
• Number of distinct elements: 3
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :1
• Hall space group symbol: F 4d 2 3 -1d
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No