An 18th Century bezoar stone of good size raised on an ormolu stand. Likely an example from a goat or similar animal. Measures approx; 5cm. A bezoar is a mass found trapped in the gastrointestinal system. Bezoars had value because they were believed to have the power of a universal antidote against any poison. Tradition held that a drinking glass which contained a bezoar would neutralize any poison poured into it. The word "bezoar" comes from the Persian pād-zahr (پادزهر), which literally means "antidote.