Information card for entry 9001288

Structure parameters

• Mineral name: Melilite
• Formula: Ca5 Ge2.23 O11 Si0.77
• Calculated formula: Ca5 Ge2.23 O11 Si0.77
• Title of publication: Crystal growth and structures of mixed-anion silicates-germanates: Ca5[(Ge,Si)2O7][(Ge,Si)O4] and Na2Ca6[Si2O7][SiO4]2 sample Ca5Ge2.23Si.77O11
• Authors of publication: Armbruster, T.; Rothlisberger, F.
• Journal of publication: American Mineralogist
• Year of publication: 1990
• Journal volume: 75
• Pages of publication: 963 - 969
• a: 10.912 Å
• b: 8.695 Å
• c: 11 Å
• α: 90°
• β: 96.87°
• γ: 90°
• Cell volume: 1036.19 ų
• Number of distinct elements: 4
• 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