Haemozoin' is a ferric ion derivative of haeme. It is the unused hematin, it forms toxic malarial pigment. Haemozoin granules accumlate in trophozoite's cytoplasm, when released causes malarial fever. Schuffner's dots are smalt pink or red eosinophilic granules seen in the RBCs of malarial patients inhabited by trophozoites of Plasmodium vivax. Haematin is the red pigment of haemoglobin while globin is the protein part.