Sherriff B.L.; Cramer J.; Sokolova E.V.; Kunath-Fandrei G.; Jäger C.; Pautov L.A.
(1997)
Tsaregorodtsevite (N(CH3)4)(Si2(Si0.5Al0.5)O6)2 is a unique feldspathoid with a tetrame- thylammonium (TMA 1 ) organic cation in an ordered, sodalite-like framework of ortho- rhombic symmetry (I222) with a 5 8.984(3), b 5 ...