Information card for entry 9002507

Structure parameters

• Common name: TAPP
• Mineral name: Jeffbenite
• Formula: Al1.942 Fe0.49 Mg2.658 O12 Si2.91
• Calculated formula: Al1.942 Fe0.49 Mg2.658 O12 Si2.91
• Title of publication: The crystal structure of "Tetragonal Almandine-Pyrope Phase" (TAPP): A reexamination
• Authors of publication: Finger, L. W.; Conrad, P. G.
• Journal of publication: American Mineralogist
• Year of publication: 2000
• Journal volume: 85
• Pages of publication: 1804 - 1807
• a: 6.5269 Å
• b: 6.5269 Å
• c: 18.1835 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 774.625 ų
• Number of distinct elements: 5
• Space group number: 122
• Hermann-Mauguin space group symbol: I -4 2 d
• Hall space group symbol: I -4 2bw
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No