Powdered Emerald

Long have witches and alchemists held that powdered gemstones have magical properties. If powdered emerald is mixed with wine or some other beverage, it has a 20% chance to neutralize any poison contaminating that drink.

Source
[[Category:P]] [[Category:E]]
 * Warhammer Fantasy RPG 2nd ED -- Old World Armoury
 * pg. 74