Information card for entry 9000401

Structure parameters

• Mineral name: Montgomeryite
• Formula: Al2 Ca2 H14 Mg0.5 O20 P3
• Calculated formula: Al2 Ca2 H14 Mg0.5 O20 P3
• Title of publication: Montgomeryite, Ca4Mg(H2O)12[Al4(OH)4(PO4)6]:. Its crystal structure and relation to Vauxite, Fe2(H2O)4[Al4(OH)4(H2O)4(PO4)4].4H2O
• Authors of publication: Moore, P. B.; Araki, T.
• Journal of publication: American Mineralogist
• Year of publication: 1974
• Journal volume: 59
• Pages of publication: 843 - 850
• a: 10.023 Å
• b: 24.121 Å
• c: 6.243 Å
• α: 90°
• β: 91.55°
• γ: 90°
• Cell volume: 1508.79 ų
• Number of distinct elements: 6
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No