AM_Alamosite
Formula: Pb Si O3
Name: Alamosite
Unit cell: 11.23 7.08 12.26 90.0 113.25 90.0 , V=895.61
Space group: P12/N1 (13)

Boucher M L , Peacor D R , Zeitschrift fur Kristallographie , 126 (1968) p.98-111, The crystal structure of alamosite, PbSiO3, Locality: Alamos, Sonora, Mexico