Information card for entry 9012423

Structure parameters

• Mineral name: Brandtite
• Formula: As2 Ca2 H4 Mn O10
• Calculated formula: As2 Ca2 H4 Mn O10
• Title of publication: The crystal structures of krohnkite, CuNa2(SO4)2*2H2O and brandtite, MnCa2(AsO4)2*2H2O Locality: Harstigen mine, Sweden
• Authors of publication: Dahlman, B.
• Journal of publication: Arkiv for Mineralogi och Geologi
• Year of publication: 1952
• Journal volume: 1
• Pages of publication: 339 - 366
• a: 5.65 Å
• b: 12.8 Å
• c: 5.65 Å
• α: 90°
• β: 80.5°
• γ: 90°
• Cell volume: 403.004 ų
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No