AM_Barrerite_4 Formula: Na2.476 Ca.56 K.864 (Si14.026 Al3.974) O47.17 H56 Name: Barrerite Unit cell: 13.598 18.177 17.79 90.0 90.0 90.0 , V=4397.17 Space group: AMMA (63)

Sacerdoti M , Sani A , Vezzalini G , Microporous and Mesoporous Materials , 30 (1999) p.103-109, Structural refinement of two barrerites from Alaska, Note: sample 1, Locality: Kuiu Island, Alaska, USA