Information card for entry 9001289

Structure parameters

• Mineral name: Melilite
• Formula: Ca5.95 Na2.05 O15 Si4
• Calculated formula: Ca5.95 Na2.05 O15 Si4
• 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 Na2Ca6Si4O15
• 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: 5.525 Å
• b: 17.413 Å
• c: 14.489 Å
• α: 90°
• β: 90.57°
• γ: 90°
• Cell volume: 1393.87 ų
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No