Information card for entry 9004594

Structure parameters

• Mineral name: Andyrobertsite
• Formula: As5 Ca0.428 Cd0.426 Cu5 H6 K Mn0.146 O22
• Calculated formula: As5 Ca0.428 Cd0.426 Cu5 H6 K Mn0.146 O22
• Title of publication: Highly undersaturated anions in the crystal structure of andyrobertsite - calcio-andyrobertsite, a doubly acid arsenate of the form K(Cd,Ca)[Cu5(AsO4)4{As(OH)2O2}](H2O)2
• Authors of publication: Cooper, M. A.; Hawthorne, F. C.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2000
• Journal volume: 38
• Pages of publication: 817 - 830
• a: 9.8102 Å
• b: 10.0424 Å
• c: 9.9788 Å
• α: 90°
• β: 101.686°
• γ: 90°
• Cell volume: 962.714 ų
• Number of distinct elements: 8
• Space group number: 11
• Hermann-Mauguin space group symbol: P 1 21/m 1
• Hall space group symbol: -P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No