| abstract |
(57) [PROBLEMS] To introduce a shell of a pearl shell, a hard ball, and water into an agitator to remove deposits attached to the shell, By polishing so that at least the ridge pillar layer and the pearl layer remain, treatment without using hydrochloric acid or aluminum chloride can be performed, and the treated pearl powder can be used for the human body, and in addition to the pearl layer The purpose of the present invention is to provide a method for treating pearl shells that can effectively utilize its useful components. A shell of a pearl shell, a hard ball, and water are put into a stirrer to remove deposits adhering to the shell and n1 is polished so that at least a ridge pillar layer and a pearl layer remain. It is characterized by that. |