Information card for entry 9001284

Structure parameters

• Mineral name: Melilite
• Formula: Ca2 Ge2 O7 Zn
• Calculated formula: Ca2 Ge2 O7 Zn
• Title of publication: Layer topology, stacking variation and site distortion in melilite-related compounds in the system CaO-ZnO-GeO2-SiO2 high-temperature polymorph Ca2ZnGe2O7
• 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: 7.95 Å
• b: 7.95 Å
• c: 5.186 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 327.768 ų
• Number of distinct elements: 4
• Space group number: 113
• Hermann-Mauguin space group symbol: P -4 21 m
• Hall space group symbol: P -4 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No