Information card for entry 9001286

Structure parameters

• Mineral name: Melilite
• Formula: Ca2 Ge1.255 O7 Si0.745 Zn
• Calculated formula: Ca2 Ge1.255 O7 Si0.745 Zn
• Title of publication: Layer topology, stacking variation and site distortion in melilite-related compounds in the system CaO-ZnO-GeO2-SiO2 low-temperature polymorph Ca2ZnGe1.25Si.75O7
• Authors of publication: Armbruster, T.; Rothlisberger, F.; Seifert, F.
• Journal of publication: American Mineralogist
• Year of publication: 1990
• Journal volume: 75
• Pages of publication: 847 - 858
• a: 9.112 Å
• b: 7.9 Å
• c: 9.38 Å
• α: 90°
• β: 114.03°
• γ: 90°
• Cell volume: 616.698 ų
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No