there is no doubt that Astrology and Palmistry is true but the true knowledge is known by very few people. Similarly stones may have influence on human personality and those who know the true knowledge are very few. The sea level in the night rises when the moon is full moon is like a stone and it cause the sea level to rise due to its attraction. Similarly it may possible that different stones which we wear cause our blood to rise or influence on its circulation through there attractiveness causing a change in behavior or personality of the person or the persons around oneself who is carrying that stone.