Shaligram from Nepal river
Medium sized one about the size of your hand.
Very rare and very cool.
A shaligram, or shaligrama shila (Devanagari: Śāligrāma-śilā), is a fossilized stone or ammonite collected from the riverbed or banks of the Kali Gandaki, a tributary of the Gandaki River in Nepal.[1] It is also considered a form of Vishnu within Hinduism.[2][3]