Pemba (chalk)  Pemba is a tapered, round-shaped chalk made of limestone that may have different colors, used ritualistically in Afro-Brazilian religions such as Candomblé, Umbanda, Quimbanda and Quiumbanda. Its main function in rituals is for the writing of the crossed out point, being a sacred spelling may have different geometric shapes and traces, which represents a certain phalanx of spirits or guide. In Candomblé, the points are referred to the different orishas that are worshiped. The powder has use for energy cleansing and protection rituals.