AM_Lovdarite
Formula: K2 Na6 Si14 Be4 O45 H18
Name: Lovdarite
Unit cell: 39.576 6.9308 7.1526 90.0 90.0 90.0 , V=1961.91
Space group: PMA2 (28)

Merlino S , European Journal of Mineralogy , 2 (1990) p.809-817, Lovdarite, K4Na12(Be8Si28O72).18H2O, a zeolite-like mineral:, structural features and OD character