Information card for entry 9017147

Structure parameters

• Mineral name: Alum-(K)
• Formula: Al0.877 Fe0.123 H24 K0.879 O20 S2 Tl0.121
• Calculated formula: Al0.877 Fe0.123 H24 K0.879 O20 S2 Tl0.121
• Title of publication: Crystal-chemistry of sulfates from the Apuan Alps (Tuscany, Italy). VI. Tl-bearing alum-(K) and voltaite from the Fornovolasco mining complex
• Authors of publication: Biagioni, C.; Mauro, D.; Pasero, M.; Bonaccorsi, E.; Lepore, G. O.; Zaccarini, F.; Skogby, H.
• Journal of publication: American Mineralogist
• Year of publication: 2020
• Journal volume: 105
• Pages of publication: 1088 - 1098
• a: 12.203 Å
• b: 12.203 Å
• c: 12.203 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1817.19 ų
• Number of distinct elements: 7
• Space group number: 205
• Hermann-Mauguin space group symbol: P a -3
• Hall space group symbol: -P 2ac 2ab 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No