AM_Maya Blue_4 Formula: (Mg1.12 Al.82 Fe.06) Si4 O15.06 D5.01 C.48 N.06 H1.06 Name: Maya Blue Unit cell: 13.338 17.795 5.265 90.0 105.46 90.0 , V=1204.43 Space group: C12/M1 (12)

Giustetto R , Levy D , Chiari G , European Journal of Mineralogy , 18 (2006) p.629-640, Crystal structure refinement of Maya Blue pigment prepared with deuterated, indigo, using neutron powder diffraction, Locality: starting palygorskite from Chapas, Mexico