Information card for entry 1544682

Structure parameters

• Common name: Ca1.1Mg2.18Al0.72(Al2.95Si1.05)O10(OH)2
• Mineral name: xanthophyllite
• Formula: Al3.67 Ca1.1 H2 Mg2.18 O12 Si1.05
• Calculated formula: Al2.96 Ca Mg3 O12 Si1.04
• Title of publication: Structural studies of brittle micas (I) The structure of xanthophyllite refined
• Authors of publication: Takeuchi, Y.; Sadanaga, R.
• Journal of publication: Mineralogical Journal
• Year of publication: 1966
• Journal volume: 4
• Pages of publication: 424 - 437
• a: 5.194 ± 0.005 Å
• b: 9 ± 0.01 Å
• c: 9.8 ± 0.01 Å
• α: 90°
• β: 100.1 ± 0.1°
• γ: 90°
• Cell volume: 451 ± 0.8 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