Furthermore, higher proportion of HPAM accentuates the growth of the (101) crystal plane as shown by the gradual peak increase in which alongside with (100), completes the formation of HR crystal morphology. This is consistent with the reported SEM images. The -NH2 groups in HPAM function like OH -ions, increasing solution basicity and speeding up the growth rate along the (101) facet, consequently forming the HR habit. After the addition of Na-PAA, the (002) facet that is responsible for the formation of HL is only weakly observed in the PXRD, as with the simulated MIL-96, which is probably affected by instrument background noise during scanning, impure phase with ill-defined morphology and powder size inconsistency. Although the BFDH theory also states that the growth rate of the (002)