Molybdomancy is a sytem of divination that uses melted metal.
Melted lead or tin is dropped into a container of water.
The divinater interpretes the shapes to make his predictions.
Molybdomancy is similar to Ceroscopy which uses wax.
Divination
Exploring Scrying: How to Divine the Future and Make the Most of It (Exploring Series)
Paralumun New Age Village