A zeolite having a composition, as synthesized and in the anhydrous state, in terms of mole ratios of oxides as follows: (0.1 to 2.0)Q2 O:(0.1 to 2.0)M2 O:W2 O3 : (greater than 10) YO2 wherein M is an alkali metal cation, W is selected from aluminum, gallium, iron and mixtures thereof, Y is selected from silicon, germanium and mixtures thereof, Q is a hexamethyl[4.3.3.0]propellane-8,11-diammonium