Citation: Fenn, P.M.; Brown, G.E. (1977). Crystal structure of a synthetic, compositionally intermediate, hypersolvus alkali felspar: evidence for Na, K site ordering. Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (145,1977-148,1979), 145, pp. 124-145.