AM_Paracelsian_1 Formula: Ba Al2 Si2 O8 Name: Paracelsian Unit cell: 9.065 9.568 8.578 90.0 90.01 90.0 , V=744.00 Space group: P121/A1 (14)

Chiari G , Gazzoni G , Craig J R , Gibbs G V , Louisnathan S J , American Mineralogist , 70 (1985) p.969-974, Two independent refinements of the structure of paracelsian, BaAl2Si2O8, Locality: Benallt Mine, Carnarvonshire, U.K., Sample: CLG refinement