Information card for entry 9002140

Structure parameters

• Mineral name: Tetra-ferri-annite
• Formula: Al0.04 Cs0.89 Fe3.92 O12 Si3.04
• Calculated formula: Al0.04 Cs0.89 Fe3.92 O12 Si3.04
• Title of publication: "Cs-tetra-ferri-annite:" High-pressure and high-temperature behavior of a potential nuclear waste disposal phase T = 23 deg C, P = .001 kbar, crystal 1
• Authors of publication: Comodi P; Zanazzi P F; Weiss Z; Rieder M; Drabek M
• Journal of publication: American Mineralogist
• Year of publication: 1999
• Journal volume: 84
• Pages of publication: 325 - 332
• a: 5.486 Å
• b: 9.506 Å
• c: 10.818 Å
• α: 90°
• β: 99.67°
• γ: 90°
• Cell volume: 556.142 ų
• Ambient diffraction temperature: 296.15 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 5
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No