We have endeavoured throughout to make the subjects dealt with as interesting as possible, believing that the symbols expressing the faiths of bygone days form the basis of occult forces, a proper understanding of which is becoming more and more recognised by scientists as necessary in the interests of progress at the present day. It will be noticed that many of the gems have similar qualities attributed to them which, accord ing to the ancient authorities, were specifically arranged for the benefit of those types Whose planetary aspects brought them into harmony with the particular stone specified.