AM_Heulandite-Ca_1
Formula: Ca1.2 Si13.2 Al4.8 O45.55 H28
Name: Heulandite-Ca
Unit cell: 17.73 17.82 7.43 90.0 116.33 90.0 , V=2103.96
Space group: C1M1 (8)

Merkle A B , Slaughter M , American Mineralogist , 53 (1968) p.1120-1138, Determination and refinement of the structure of heulandite