AM_Papagoite
Formula: Ca Cu Al Si2 O9
Name: Papagoite
Unit cell: 12.926 11.496 4.696 90.0 100.81 90.0 , V=685.43
Space group: C12/M1 (12)

Groat L A , Hawthorne F C , Mineralogy and Petrology , 37 (1987) p.89-96, Refinement of the structure of papagoite, CaCuAlSi2O6(OH)3, Locality: Ajo, Pima County, Arizona, USA, Note: U(1,1)(O3) changed from .0068 to match reported Uiso