In this study, we focused on parallelogram-shaped Mh (Mhp), a polymorph of melem hydrates recently reported by Dai et al. Mhp crystals have a parallelogram shape, Mh crystals a hexagonal prism shape.

Allowing for variations in roof treatment they are blocks of corresponding volume, eight units in length, by five and a half in breadth, by five in height. In both cases six ” transverse” lines of ...