Margaritomancy
Divination by pearls. A pearl was covered with a vase, and placed near the fire, and the names of suspected persons pronounced. When the name of the guilty one was uttered the pearl was supposed to bound upwards and pierce the bottom of the vase.
Margiotta, Domenico : Author of Adriano Lemmi, and Palladism, in which books he violently impeaches the Grand Master Lemmi of the crimes of Satanism and sorcery. These statements have been amply proved to be without foundation.