AM_Londonite Formula: Cs B12 Be4 Al4 O28 Name: Londonite Unit cell: 7.319 7.319 7.319 90.0 90.0 90.0 , V=392.06 Space group: P-43M (215)

Taxer K J , Buerger M J , Zeitschrift fur Kristallographie , 125 (1967) p.423-436, The crystal struture of rhodizite, Note: name of mineral altered according to IMA decision in 1999, to name the Cs dominant phase: londonite, Locality: Manjaka, Madagascar