Ring of Liquid Identification (Magic Ring)

If the wearer passes this ring within 1 inch of a liquid, the ring's rock crystal changes hue, identifying the liquid. At least four ounces of liquid must be present. The stone turns to one of nine colors: see the chart below for the meaning of each. If no liquid is nearby, or the fluid in range is not included on the chart below, the crystal remains colorless.
Color 	Liquid is
Red 	Poison, potion, or magical oil
Orange	Oil or other flammable liquid
Yellow	Contaminated water
Green 	Acid or other strong corrosive
Blue 	Pure water
Indigo	Brine
Color 	Liquid is
Violet	Wine, ale, beer, or other alcoholic drink
White 	Holy water
Black 	Unholy water
Category:Encyclopedia Magica Magic Items
Category:Magic Items
Category:Magic Rings