Information card for entry 9002315

Structure parameters

• Mineral name: Annite
• Formula: Al3.448 Fe3 K0.99 Na0.01 O12 Si2.552
• Calculated formula: Al3.448 Fe3 K0.99 Na0.01 O12 Si2.552
• Title of publication: Spectroscopic and structural properties of synthetic micas on the annite-siderophyllite binary: Synthesis, crystal structure refinement, Mossbauer, and infrared spectroscopy Sample: G-117
• Authors of publication: Redhammer, G. J.; Beran, A.; Schneider, J.; Amthauer, G.; Lottermoser, W.
• Journal of publication: American Mineralogist
• Year of publication: 2000
• Journal volume: 85
• Pages of publication: 449 - 465
• a: 5.377 Å
• b: 9.308 Å
• c: 10.283 Å
• α: 90°
• β: 100.22°
• γ: 90°
• Cell volume: 506.489 ų
• Number of distinct elements: 6
• 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