Information card for entry 9001285

Structure parameters

• Mineral name: Melilite
• Formula: Ca2.087 Ge2 O7 Zn
• Calculated formula: Ca2.08667 Ge2 O7 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 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: 8.02 Å
• b: 7.995 Å
• c: 15.506 Å
• α: 90°
• β: 89.47°
• γ: 90°
• Cell volume: 994.201 ų
• Number of distinct elements: 4
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No