Common prop used by witches, Fortune Tellers and psychics (and Hollywood Romani) for fortune telling, scrying, and long distance communication. Most commonly it's a dinner plate sized sphere of clear glass, but these can be of just about any size and material, so long as they're shiny.
Despite their ubiquity, there are many, many more ways to tell the future or view remote locations. Pools of [...] [tvtropes.org]