Information card for entry 9000475

Structure parameters

• Mineral name: Montgomeryite
• Formula: Al2 Ca2 H18 Mg0.5 O20 P3
• Calculated formula: Al2 Ca2 H14 Mg0.5 O20 P3
• Title of publication: Additional data on the crystal structure of montgomeryite
• Authors of publication: Fanfani, L.; Nunzi, A.; Zanazzi, P. F.; Zanzari, A. R.
• Journal of publication: American Mineralogist
• Year of publication: 1976
• Journal volume: 61
• Pages of publication: 12 - 14
• a: 10.004 Å
• b: 24.083 Å
• c: 6.235 Å
• α: 90°
• β: 91.6°
• γ: 90°
• Cell volume: 1501.59 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