Information card for entry 9000987

Structure parameters

• Mineral name: Lammerite
• Formula: As2 Cu3 O8
• Calculated formula: As2 Cu3 O8
• Title of publication: Lammerite, Cu3(AsO4)2, a modulated close-packed structure
• Authors of publication: Hawthorne, F. C.
• Journal of publication: American Mineralogist
• Year of publication: 1986
• Journal volume: 71
• Pages of publication: 206 - 209
• a: 5.079 Å
• b: 11.611 Å
• c: 5.394 Å
• α: 90°
• β: 111.72°
• γ: 90°
• Cell volume: 295.513 ų
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No