AM_Analcime_13 Formula: Na1.71 (Si4.194 Al1.806) O14 H4 Name: Analcime Unit cell: 13.5574 13.5119 13.5082 89.6 89.162 90.798 , V=2473.95 Space group: P-1 (2)

Gatta G D , Nestola F , Ballaran T B , American Mineralogist , 91 (2006) p.568-578, Elastic behavior, phase transition, and pressure induced, structural evolution of analcime, Locality: Su Marralzu, Sardinia, Italy, Sample: P = 1.23 GPa