Here is the non-standard, but equally beautiful shade of tiger's eye: blue! This stone features a cat's eye optical effect, which appears as a narrow line of light, resembling the pupils of a tiger. Blue Tiger's Eye is highly sought after as a collectible mineral, used in decorative accessories such as boxes, ashtrays, etc. This stone is believed to help overcome fear and show courage. In ancient times, it was considered a mineral that brings luck and success.