When you equip any special item, you will see is a small icon added to your player's image.

Item	Effect
Amethyst Ring	Immunity to Acid and Violet Magic.
Emerald Crown	Immunity to Mental Damage.
Dragonskin Boots	Resist Fire and Yellow Magic & Resist Heat and Red Magic.
Frostbite	Immunity to Cold and Blue Magic.
Gold Bracelet	Nothing.
Gold Ring	Resist Fire and Yellow Magic.
Jade Necklace	Resist Poison and Green Magic.
Medalion	Nothing.
Mithril Chain Shirt	Resist Slashing Damage.
Ruby Emulate	Immunity to Fire and Yellow Magic & Immunity to Heat/Red Magic.
Ruby Ring	Resist Heat and Red Magic.
Sapphire Ring	Immunity to Cold and Blue Magic.
Sapphire Talisman	Immunity to Cold and Blue Magic.
Snow Parka	Resist Cold and Blue Magic.
Wooden Ring	Immunity to Poison and Green Magic.
Woven Grass Jerkin	Resist Poison and Green Magic & Resist Lightning and Orange Magic.