Tiger eye agate

Tiger's Eye, also seen as Tiger Eye, is a golden member of the agate family with dark brown stripes that exhibit a silky luster called chatoyancy. Realmslore said that tiger eye agate helped repel spirits and the undead but no evidence yet supports this claim. This gemstone was powdered and used as an ingredient in some potions and in the creation of magical markings. A typical specimen had a base value of 10 gp.