Information card for entry 9008130

Structure parameters

• Mineral name: Pharmacosiderite
• Formula: As3 Fe4 H20 O21
• Calculated formula: As3 Fe4 H10 O21
• Title of publication: The structure and composition of the mineral pharmacosiderite Note: the K atom could not be located
• Authors of publication: Buerger, M. J.; Dollase, W. A.; Garaycochea-Wittke I
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1967
• Journal volume: 125
• Pages of publication: 92 - 108
• a: 7.9816 Å
• b: 7.9816 Å
• c: 7.9816 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 508.475 ų
• Number of distinct elements: 4
• Space group number: 215
• Hermann-Mauguin space group symbol: P -4 3 m
• Hall space group symbol: P -4 2 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No