AM_Taranakite
Formula: K3 Al5 P8 O50 H42
Name: Taranakite
Unit cell: 8.7025 8.7025 95.05 90.0 90.0 120.0 , V=6234.06
Space group: R-3C (167)

Dick S , Gossner U , Weiss A , Robl C , Grossman G , Ohms G , Zeiske T , Inorganica Chimica Acta , 269 (1998) p.47-57, Taranakite - the mineral with the longest crystallographic axis, Locality: synthetic