Information card for entry 1530402

Structure parameters

• Chemical name: Ca8 Mn10.64 (Si12.32 O42) (O H)10 (H2 O)4
• Formula: Ca8 H18 Mn10.64 O56 Si12.32
• Calculated formula: Ca8 Mn10.64 O56 Si12.32
• Title of publication: X-ray and HRTEM structure analysis of orientite
• Authors of publication: Mellini, M.; Merlino, S.; Pasero, M.
• Journal of publication: American Mineralogist
• Year of publication: 1986
• Journal volume: 71
• Pages of publication: 176 - 187
• a: 9.044 Å
• b: 6.091 Å
• c: 19.031 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1048.36 ų
• Number of distinct elements: 5
• Space group number: 25
• Hermann-Mauguin space group symbol: P 2 m m
• Hall space group symbol: P -2 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No