Size: 48*36*11mm This is a natural natural tiger eye stone and very good color, it is very good. Tiger Eye: [qualities] are regarded as the most prestigious symbol of Indian holy stone, shale ore, so there are neat because crystallization, thus reflecting the bright light, such as cat-like, usually yellow and black colors, like tiger lines, there are blue and yellow and black, called blue opal. [Physiological role] opal shade of golden sun gear also corresponds to the corresponding umbilical round, after overeating physical discomfort and have to re-purify adjustment function, and can bring a warm feeling for the body, can rapidly improve the symptoms of a cold and asthma and bronchitis can also use her own energy strengthen joints and bones, calm appease nervous system metabolism. [Psychological] like eye of the tiger-like vitality energy, make people more likely to be a breakthrough in their careers, to understand self-discipline, resolve the pressure to achieve their goals and live a happy life, but also can improve attention and concentration, keep your head flexible.