Niobe was turned into this after Apollo and Artemis killed her children, and Perseus avoided turning into this by using a shield as a mirror.
Anaxarete was turned into one of these after mocking the funeral of her suitor, who hanged himself. Hermes turned the sheppard Battus into this after he told his friends about the god's theft of cattle, and Laelaps was turned into one of these by Zeus. Phineus and his men were turned into these during a fight with Perseus, as well as the brother of Dictys, King Polydectes. Niobe was turned into this after Apollo and Artemis killed her children, and Perseus avoided turning into this by using a shield as a mirror. For 10 points, name this object, which everything that looks into the head of the Medusa turns into.
Anaxarete was turned into one of these after mocking the funeral of her suitor, who hanged himself.
Stones [accept Rocks or other equivalents]