Information card for entry 9005641

Structure parameters

• Mineral name: Calcioandyrobertsite
• Formula: As5 Ca Cu5 H6 K O22
• Calculated formula: As5 Ca Cu5 H6 K O22
• Title of publication: Calcio-andyrobertsite-2O, KCaCu5(AsO4)4[AsO2(OH)2]*2H2O: its description, crystal structure and relation with calcio-andyrobertsite-1M Note: polytype 2O
• Authors of publication: Sarp, H.; Cerny, R.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2004
• Journal volume: 16
• Pages of publication: 163 - 169
• a: 19.647 Å
• b: 10.087 Å
• c: 9.963 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1974.46 ų
• Number of distinct elements: 6
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No