Information card for entry 9016561

Structure parameters

• Mineral name: Londonite
• Formula: Al4 B10.68 Be5.32 Cs0.34 K0.34 O28 Rb0.17
• Calculated formula: Al4 B10.68 Be5.32 Cs0.34 K0.34 O28 Rb0.17
• Title of publication: On the crystal chemistry of londonite [(Cs,K,Rb)Al4Be5B11O28]: a single-crystal neutron diffraction study at 300 and 20 K Note: neutron diffraction study at T = 20 K
• Authors of publication: Gatta, G. D.; Vignola, P.; McIntyre, G. J.; Diella, V.
• Journal of publication: American Mineralogist
• Year of publication: 2010
• Journal volume: 95
• Pages of publication: 1467 - 1472
• a: 7.3094 Å
• b: 7.3094 Å
• c: 7.3094 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 390.522 ų
• Number of distinct elements: 7
• 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